SOLAR PRODUCTS CATALOG - IN-LINE FUSES 1500 V DC PRODUCTS - Littelfuse
←
→
Page content transcription
If your browser does not render page correctly, please read the page content below
SOLAR PRODUCTS CATALOG
1500 V DC PRODUCTS OVERVOLTAGE PROTECTION IN-LINE FUSES
PROTECTION RELAYS SURGE PROTECTION
SWITCH PRODUCTS
Solar-Rated Products by Application
Small Inverter Central Inverter
TVS Diodes/SCRs 600 V to 1500 V Fuses
Varistor Products Power Distribution Blocks
Micro Inverter
Temperature Sensors Dc Earth Leakage/Gound-Fault Relays
TVS Diodes/SCRs
Varistor Products
String Inverter Varistor Products
Surge Protective Devices
600 V to 1000 V Fuses Temperature Sensors
1000 V to 1500 V High-Speed Semicondutor Fuses
Touch-Safe Fuse Holders
Temperature Sensors
Power Distribution Blocks
Varistor Products
Surge Protective Devices
Dc Disconnect Switches
Temperature Sensors
D
Wiring Harness
1000 V to 1500 V In-Line Fuses
Combiner Box
1000 V to 1500 V Fuses
Touch-Safe Fuse Holders
Power Distribution Blocks
Surge Protective Devices Array Combiner
Dc Disconnect Switches 1000 V to 1500 V Fuses
Fuse Blocks
Touch-Safe Fuse Holders
Surge Protective Devices
Dc Disconnect Switches
With over 25 million devices installed in photovoltaic power systems, Littelfuse understands the global challenges of the solar
market. Littelfuse offers numerous circuit-protection products that are uniquely suited to protect the equipment and systems
subject to the harsh environments of standard photovoltaic installations.
Look for this logo to indicate products that are used in solar applications. Visit our website
Littelfuse.com/Solar for the latest updates on approvals, certifications, and new products.
Solar Products
TABLE OF CONTENTS
1 1500 V RATED PRODUCTS
SPXV String Fuses..........................................................................................................................................................................................2 1
SPXI In-Line Fuses..........................................................................................................................................................................................4
SPNH Fuses ...................................................................................................................................................................................................6
LFXV15 Series Fuse Block & Cover..............................................................................................................................................................12
LFPXV Touch-Safe Fuse Holders..................................................................................................................................................................15
2
LFNH Fuse Block..........................................................................................................................................................................................17
2 1000 V RATED PRODUCTS 3
SPFJ High Amperage Fuses.........................................................................................................................................................................21
SPF String Fuses..........................................................................................................................................................................................22
SPFI In-Line Fuses........................................................................................................................................................................................23
LFJ1000 Open-Face Fuse Blocks..................................................................................................................................................................24 4
LPHV POWR-Safe Fuse Holders...................................................................................................................................................................25
Bus Bar System............................................................................................................................................................................................26
5
3 600 V RATED PRODUCTS
Bus Bar System............................................................................................................................................................................................26
LPSC/LPSM POWR-Safe Dead-Front Fuse Holders.....................................................................................................................................27
KLKD 10 x 38 mm (Midget) Fuses................................................................................................................................................................28 6
POWR-BLOKS Distribution Blocks and Covers............................................................................................................................................29
4 OVERVOLTAGE & SWITCHING ELECTRONIC PRODUCTS 7
IGBT Power Modules...................................................................................................................................................................................30
Transient Voltage Suppression (TVS) Diodes..............................................................................................................................................31
Overvoltage Suppression Varistors (MOV)..................................................................................................................................................32
5 PROTECTION RELAY PRODUCTS
SE-601 Ground-Fault Monitor......................................................................................................................................................................33
EL731 Sensitive Earth-Leakage Relay.........................................................................................................................................................34
6 SURGE PROTECTIVE DEVICE PRODUCTS
SPD2 PV Series Surge Protective Device....................................................................................................................................................35
7 SWITCH PRODUCTS
LS7 Series 1500 V Dc Disconnect Switches................................................................................................................................................37
LS6R Series 1500 V Dc Disconnect Switches.............................................................................................................................................45
LS6 Series 1000 V Dc Disconnect Switches................................................................................................................................................49
Littelfuse.com/solar
1 of 52 © 2021 Littelfuse, Inc.
Solar Products
SPXV SERIES IN-LINE SOLAR FUSE
1500 V dc • 1–60 A REACH
1
Specifications
Voltage Rating 1500 V dc
Amperage Rating 1, 2, 2.25, 2.5, 3, 3.5, 4, 4.5, 5, 6, 8, 10, 12, 15,
16, 20, 25, 30, 32, 35, 40, 45, 50, 55, 60 A
Interrupting Rating SPXV 1 A-30 A: 30 kA (50 kA Self-Certified)
SPXV 35 A-60 A: 50 kA
SPXV-M 25 A-32 A: 50 kA
Time Constant ≤ 1ms
Material Body: melamine
Caps: copper alloy (nickel plated)
Approvals UL 248-19 Listed (File: E339112)
Applicable Standards UL 248-1, 248-19
IEC 60269-6*
Environmental RoHS Compliant
Description REACH
Country of Origin Mexico
The Littelfuse SPXV solar string fuse has been specifically
designed for the protection of photovoltaic (PV) systems. *SPXV 25 and 30 amp fuses meet electrical performance only.
It is available in multiple ampere ratings to match various
requirements in a range of applications. Part Numbering System
Features/Benefits SPXV xxx T –
Offers higher amperage protection in less space for Series Options
increased design flexibility Blank = 1–20 A 10 x 85 mm
Full range, fast-acting fuse helps eliminate common Ampere Code 25–30 A 14 x 85 mm
35–60 A 20 x 127 mm
low-overload faults Refer to Ampere Code XM = 25–32 A 10 x 85 mm
Up to 50,000 A interrupting rating Column in Ordering
Information Table Package Quantity
Applications T = 10
L = 50
Inverters
Combiner boxes
Recommended Accessories
PACKAGE CATALOG ORDERING
1–32 Amperes SERIES AMPERAGE QUANTITY NUMBER NUMBER
Fuse Holder: LFPXV001 SPXV 6 10 SPXV006 SPXV006.T
Fuse Clips: 125004/125005 SPXV 20 50 SPXV020 SPXV020.L
35–60 Amperes SPXV 32 10 SPXV032-M SPXV032.TXM
SPXV 60 10 SPXV060 SPXV060.T
Fuse Block and Cover: LFXV15060-BC
Web Resources
Download technical resources at: Littelfuse.com/spxv
Littelfuse.com/solar
2 of 52 © 2021 Littelfuse, Inc.
Solar Products
SPXV SERIES IN-LINE SOLAR FUSE
SPXV Dimensions mm (in)
84.65
1
1–20 A (3.333)
10.31
(.406)
84.65
(3.333) 13.72
(0.540)
25–30 A
10.00
(0.394)
127.00
(5.000)
35-60A35–60 A 20.65
(0.813)
SPXV-M Dimensions mm (in)
25–32 A 84.65
(3.333)
10.31
(.406)
84.65
(3.333) 13.72
(0.540)
10.00
(0.394)
25–30 A
Littelfuse.com/solar
3 of 52 © 2021 Littelfuse, Inc.
Solar Products
SPXI SERIES IN-LINE SOLAR FUSE
1500 V dc • 1–60 A
1
Specifications
Voltage Rating 1500 V dc
Amperage Rating 1, 2, 2.25, 2.5, 3.5, 4, 4.5, 5, 6, 8, 10, 12, 15,
16, 20, 25, 30, 32, 35, 40, 45, 50, 55, 60 A
Interrupting Ratings SPXI 1-30 A and SPXI-B 1-20 A: 30 kA
SPXI 35-50 A and SPXI-B 35-60 A: 50 kA
SPXI-M and SPXI-BM 25-32A: 50 kA
Time Constant ≤ 1ms
Material Body: melamine
Caps: copper alloy (nickel plated)
Approvals UL Recognized (File: E339112)
Description Applicable Standards UL 248-1, 248-19
The Littelfuse SPXI solar fuse is specifically designed for the IEC 60269-6 (electrically only)
protection of photovoltaic (PV) systems. It integrates into an Environmental RoHS Compliant
in-line assembly within a wire harness and can be electrically REACH
insulted by either overmolding or using heat-shrink. Country of Origin Mexico
Littelfuse offers multiple ampere ratings to match specific US Patent 9,564,281
requirements in a variety of applications.
Features/Benefits Part Numbering System
Offers higher amperage protection in less space for
increased design flexibility SPXI xxx T XB
One-piece cap design, without joints, offers easier wire Series Options
crimping and more streamlined molding Refer to Ordering Number
No fuse holder required helps save space, time, and Ampere Code
column in Ordering
Information table
money Refer to Ampere Code
50,000 A interrupting rating Column in Ordering
Information Table Package Quantity
Applications T = 10
L = 50
Photovoltaic high-capacity homerun, trunk harness, and
wire harness
Recommended Crimping Tool Web Resources
10-12 AWG: T&B Sta-Kon ERG4002 Download additional technical information and view the
8 AWG: T&B Sta-Kon ERG4 complete solar portfolio: Littelfuse.com/spxi
6 AWG: Burndy MRC840AL
Littelfuse.com/solar
4 of 52 © 2021 Littelfuse, Inc.
Solar Products
SPXI SERIES IN-LINE SOLAR FUSE
Dimensions
1
DIMENSIONS IN MM (INCHES) WIRE
SERIES AMPS
A B C D E F RANGE
10-12 AWG
2.5–4 81.41 (3.205) 10.31 (0.406) 5.59 (0.22) 12.26 (0.483) 9.53 (0.375) 3.56 (0.14)
(6-4 mm2)
10-12 AWG
4.5–20 110.06 (4.333) 10.31 (0.406) 5.59 (0.22) 12.26 (0.483) 9.53 (0.375) 3.56 (0.014)
(6-4 mm2)
SPXI
10-12 AWG
25–30 110.06 (4.333) 13.72 (0.54) 5.59 (0.22) 12.26 (0.483) 9.53 (0.375) 3.56 (0.014)
(6-4 mm2)
8 AWG
35–50 158.04 (6.222) 20.65 (0.813) 6.7 (0.264) 14.25 (0.561) 10.25 (0.404) 4.7 (0.185)
(10mm2)
8 AWG
2.5–4 85.4 (3.362) 10.31 (0.406) 6.7 (0.264) 14.25 (0.561) 10.25 (0.404) 4.7 (0.185)
(10mm2)
SPXI-B 8 AWG
4.5–20 114.05 (4.49) 10.31 (0.406) 6.7 (0.264) 14.25 (0.561) 10.25 (0.404) 4.7 (0.185)
(10mm2)
35–60 163.58 (6.44) 20.65 (0.813) 8.5 (0.335) 17.02 (0.67) 13.72 (0.54) 5.5 (0.217) 6 AWG
SPXI-M 10-12 AWG
25–32 110.06 (4.333) 10.31 (0.406) 5.59 (0.22) 12.26 (0.483) 9.53 (0.375) 3.56 (0.014)
(6-4 mm2)
SPXI-BM 8 AWG
25–32 114.05 (4.49) 10.31 (0.406) 6.7 (0.264) 14.25 (0.561) 10.25 (0.404) 4.7 (0.185)
(10mm2)
Littelfuse.com/solar
5 of 52 © 2021 Littelfuse, Inc.
Solar Products
SPNH SERIES SOLAR FUSE
1500 V dc • 50–400 A • NH Style
1
Specifications
Voltage Rating 1500 V dc
Amperage Rating 50, 63, 80, 100, 125, 160, 200, 250, 315,
350, 400
Interrupting Rating 30 kA
Time Constant ≤ 2 ms
Material Body: ceramic
End Bells: copper alloy
Approvals UL 248-19 Listed (File: E339112)
Applicable Standards UL 248-1, 248-19
IEC 60269-6
Environmental RoHS Compliant
Part Numbering System
SPNH XXX .X X DL
Termination*
Series Blank = solid blade
Amp Code w/Microswitch tab
Refer to Amp Code DL = S blade
Column in Ordering DE = U blade
Information table
DLMS = S blade
Description w/Microswitch tab
Package Quantity DEMS = U blade
The SPNH series has been designed to meet the emerging X=1 w/Microswitch tab
circuit protection needs for 1500 volt photovoltaic systems. Case Size*
These fuses provide full range protection for all potential X = 1XL size
overcurrent conditions that exist in PV applications. Suitable 2XL = 2XL size
for PV inverter protection and array combiner applications. 3L = 3L size
PACKAGE CATALOG ORDERING
SERIES AMP
Features/Benefits QUANTITY NUMBER NUMBER
SPNH 50 1 SPNH050 SPNH050.X
Compact NH XL sizes
SPNH 200 1 SPNH200 SPNH200.X
Low watt loss design
SPNH 400 1 SPNH400 SPNH400.XXDLMS
1500 V dc rating for high efficiency designs
Designed to protect against a full range of overcurrents *Solid blade option for 1XL case size does not require a case or termination designator for
the part number.
Applications Recommended Accessories
Inverters 1XL Case Size
Re-combiner boxes Fuse Holder: LFNH152001CST
Array/Re-combiner application Fuse Terminial Covers: LFNH15200FBC
PV Inverter dc input protection
2XL Case Size
Web Resources Fuse Holder: LFNH154001CST
Fuse Terminial Covers: LFNH15400FBC
Download technical documents: Littelfuse.com/spnh
3L Case Size
Fuse Holder: LFNH156301CST
Fuse Terminial Covers: LFNH15630FBC
Microswitch
MSSPNH1500X
Littelfuse.com/solar
6 of 52 © 2021 Littelfuse, Inc.
Solar Products
SPNH SERIES SOLAR FUSE
Dimensions Millimeters (in) REV DATE
REVISION
DESCRIPTION
A 10/18/16 516546GCP - RELEASE MRY
B 6/6/17 517431ECP/D - REMOVE DATA SHEET REVISION MRY
1
C 2/16/18 518752ECP/B - ADD TOLERANCES MRY
D 10/20/20 522884ECP/C - UPDATE TO NEW CAP DESIGN MRY
Size: 1 XL w/ Microswitch Tab
126.00
[4.961] 9.85
3.00 [0.388 ]
[0.118]
24.00 51.00
[0.945] [2.008]
131.20 6.00
[5.165] [0.236]
51.00 REVISION
192.00 [2.008]
REV DATE DESCRIPTION
[7.559] 1 9/18/17 PRELIMINARY DRAWING MRY
Size: 2XL
Size: 2 XL w/ Microswitch Tab
DENOTES CRITICAL CHARACTERISTICS.
CPK DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE
DENOTES A CHARACTERISTIC THAT PROVIDES AN INDICATION
9.85 OF PROCESS PERFORMANCE. PROCEDURE FOR MEASUREMENT
126.00 [.388] AND TRACKING TO BE DEFINED IN
LITTELFUSE INSPECTION INSTRUCTIONS.
[4.961] DENOTES CP DIMENSIONS, -MINIMUM CP VALUE
MUST BE WITHIN THE DIMENSIONAL LIMITATIONS
CP
SHOWN ON DRAWING AND INITIALLY LOCATED TO
ALLOW FOR MAXIMUM TOOL LIFE.
MATL SPEC FINISH
DRW
MYORK
48.00
DATE
10/17/2016
SCALE
NTS
FINISH GOOD
30.00 60.00 [1.890] GRAM
[1.181] [2.362] UNLESS OTHERWISE SPECIFIED, DIMENSIONS ARE IN MILLIMETERS, DIMENSIO
BRACKETS [ ] ARE INCHES DIMENSIONING AND DO NOT INCLUDE PLATING. TOLER
TO BE INTERPRETED IN ACCORDANCE WITH ANSI Y14.5M-1994
3RD ANGLE
PROJECTION
6.00
TITLE
1500VDC PHOTOVOLTAIC FUSE OUTLINE
[0.236]
131.2 60.00
[5.165]
Littelfuse
® REVISION DRWG NO. SHEE
[2.362]
CHICAGO, ILLINOIS 60631
D OL-SPNH000
207
[8.150] REVISION
REV DATE DESCRIPTION
1 9/18/17 PRELIMINARY DRAWING MRY
Size: 3L DENOTES CRITICAL CHARACTERISTICS.
CPK DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE
DENOTES A CHARACTERISTIC THAT PROVIDES AN INDICATION
Size: 3 L w/ Microswitch Tab
OF PROCESS PERFORMANCE. PROCEDURE FOR MEASUREMENT
AND TRACKING TO BE DEFINED IN
9.85 LITTELFUSE INSPECTION INSTRUCTIONS.
DENOTES CP DIMENSIONS, -MINIMUM CP VALUE
[.388] MUST BE WITHIN THE DIMENSIONAL LIMITATIONS
126.00 CP
SHOWN ON DRAWING AND INITIALLY LOCATED TO
[4.961] ALLOW FOR MAXIMUM TOOL LIFE.
MATL SPEC FINISH
DRW DATE SCALE FINISH GOOD
MYORK 9/18/2017 NTS
GRA
UNLESS OTHERWISE SPECIFIED, DIMENSIONS ARE IN MILLIMETERS, DIMENSIO
BRACKETS [ ] ARE INCHES DIMENSIONING AND DO NOT INCLUDE PLATING. TOLER
TO BE INTERPRETED IN ACCORDANCE WITH ANSI Y14.5M-1994
60.00
73.00 3RD ANGLE
PROJECTION
[2.362]
37.00 [2.874]
[1.457] TITLE
1500VDC SIZE 2XL PHOTOVOLTAIC FUSE OUTLINE
Littelfuse
® REVISION DRWG NO. SHEE
OL-SPNH000.X2
CHICAGO, ILLINOIS 60631
1
6.00 datasheet
131.2 [0.236]
[5.165]
73.00
[2.874]
207
[8.150]
DENOTES CRITICAL CHARACTERISTICS.
CPK DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE
DENOTES A CHARACTERISTIC THAT PROVIDES AN INDICATION
OF PROCESS PERFORMANCE. PROCEDURE FOR MEASUREMENT
AND TRACKING TO BE DEFINED IN
LITTELFUSE INSPECTION INSTRUCTIONS.
DENOTES CP DIMENSIONS, -MINIMUM CP VALUE
CP
Littelfuse.com/solar
MUST BE WITHIN THE DIMENSIONAL LIMITATIONS
SHOWN ON DRAWING AND INITIALLY LOCATED TO
7 of 52 © 2021 Littelfuse, Inc.
ALLOW FOR MAXIMUM TOOL LIFE.
MATL SPEC FINISH
DRW DATE SCALE FINISH GOOD
MYORK 9/18/2017 NTS
GRAM
Solar Products
SPNH SERIES SOLAR FUSE
REVISION
REV DATE DESCRIPTION
Dimensions Millimeters (in) A
B
1/16/18
2/16/18
518725GCP - RELEASE PER EM2929 MR
518848ECP/D - ADD TOLERANCES MRY
Size: 1XL DE Blade
Recommended Torque: 44 Nm*
1
126.00
[4.961]
24.00
[0.945]
51.00
[2.008]
11.00 6.00
[0.433] 131.20 [0.236]
(2x) [5.165]
51.000
158.40
[2.008]
[6.236]
196.00
[7.717] REVISION
REV DATE DESCRIPTION
A 1/16/18 518725GCP - RELEASE PER EM2929 MRY
B 2/16/18 518848ECP/D - ADD TOLERANCES MRY
DENOTES CRITICAL CHARACTERISTICS.
Size: 1XL DL Blade CPK DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE
Recommended Torque: 44 Nm*
DENOTES A CHARACTERISTIC THAT PROVIDES AN IN
OF PROCESS PERFORMANCE. PROCEDURE FOR MEASU
AND TRACKING TO BE DEFINED IN
LITTELFUSE INSPECTION INSTRUCTIONS.
DENOTES CP DIMENSIONS, -MINIMUM CP VALUE
MUST BE WITHIN THE DIMENSIONAL LIMITATIONS
CP
11.00 SHOWN ON DRAWING AND INITIALLY LOCATED TO
126.00 ALLOW FOR MAXIMUM TOOL LIFE.
[0.433] [4.961] MATL SPEC FINISH
11.00
[0.433] DRW DATE SCALE FI
MYORK 10/2/2017 NTS
24.00
[0.945] UNLESS OTHERWISE SPECIFIED, DIMENSIONS ARE IN MILLIMETERS,
BRACKETS [ ] ARE INCHES DIMENSIONING AND DO NOT INCLUDE PLAT
51.00 TO BE INTERPRETED IN ACCORDANCE WITH ANSI Y14.5M
[2.008] 3RD ANGLE
PROJECTION
TITLE
1500VDC SIZE 1XL W/ U-BLADE PHOTOVOLTAIC FUSE O
6.00
[0.236]
Littelfuse
® REVISION
131.20 DRWG NO.
[5.165]
51.00
CHICAGO, ILLINOIS 60631
B OL-SPNH0
162.70
[2.008]
[6.406]
196.00
[7.717] REVISION
REV DATE DESCRIPTION
1 9/18/17 PRELIMINARY DRAWING MRY
Size: 2XL DE DENOTES CRITICAL CHARACTERISTICS.
Size: 2 XL DE Blade CPK DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE
Recommended Torque: 77 Nm* DENOTES A CHARACTERISTIC THAT PROVIDES AN INDICATION
OF PROCESS PERFORMANCE. PROCEDURE FOR MEASUREMENT
AND TRACKING TO BE DEFINED IN
LITTELFUSE INSPECTION INSTRUCTIONS.
DENOTES CP DIMENSIONS, -MINIMUM CP VALUE
MUST BE WITHIN THE DIMENSIONAL LIMITATIONS
126 CP
SHOWN ON DRAWING AND INITIALLY LOCATED TO
[4.961] ALLOW FOR MAXIMUM TOOL LIFE.
MATL SPEC FINISH
13.00
[0.512] DRW DATE SCALE FINISH GOOD WT
MYORK 10/2/2017 NTS
GRAMS/
13.00
UNLESS OTHERWISE SPECIFIED, DIMENSIONS ARE IN MILLIMETERS, DIMENSIONS
[0.512] BRACKETS [ ] ARE INCHES DIMENSIONING AND DO NOT INCLUDE PLATING. TOLERAN
TO BE INTERPRETED IN ACCORDANCE WITH ANSI Y14.5M-1994
30.00
60.00
3RD ANGLE
[1.181] PROJECTION
[2.362]
TITLE
1500VDC SIZE 1XL W/ S-BLADE PHOTOVOLTAIC FUSE OUTLINE
Littelfuse
® REVISION DRWG NO. SHEET 1
6.00
CHICAGO, ILLINOIS 60631
[0.236] B OL-SPNH000.XXD
131.2 60.00
[5.165] [2.362]
164
[6.457]
196
[7.717] DENOTES CRITICAL CHARACTERISTICS.
CPK DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE
DENOTES A CHARACTERISTIC THAT PROVIDES AN INDICATION
OF PROCESS PERFORMANCE. PROCEDURE FOR MEASUREMENT
AND TRACKING TO BE DEFINED IN
*recommended torque values are for grade 8 steel hardware LITTELFUSE INSPECTION INSTRUCTIONS.
DENOTES CP DIMENSIONS, -MINIMUM CP VALUE
B
MUST BE WITHIN THE DIMENSIONAL LIMITATIONS
CP
SHOWN ON DRAWING AND INITIALLY LOCATED TO
ALLOW FOR MAXIMUM TOOL LIFE.
MATL SPEC FINISH
DRW DATE SCALE FINISH GOOD WT
MYORK Littelfuse.com/solar
9/18/2017 NTS
GRAMS/P
8 of 52 © 2021 Littelfuse, Inc.
UNLESS OTHERWISE SPECIFIED, DIMENSIONS ARE IN MILLIMETERS, DIMENSIONS I
BRACKETS [ ] ARE INCHES DIMENSIONING AND DO NOT INCLUDE PLATING. TOLERANC
TO BE INTERPRETED IN ACCORDANCE WITH ANSI Y14.5M-1994
3RD ANGLE
PROJECTIONSolar Products
SPNH SERIES SOLAR FUSE
Dimensions Millimeters (in) REVISION
REV DATE DESCRIPTION
1 9/18/17 PRELIMINARY DRAWING MRY
Size: 2XL DL
Size: 2 XL DL Blade
Recommended Torque: 44 Nm*
1
126
[4.961]
11.00
[0.433]
30.00
[1.181] 60.00
[2.362]
15.00
[0.591]
11.00 6.00
[0.433] [0.236]
131.2 60.00
[5.165] [2.362]
165.5
165
[6.516]
196
DENOTES CRITICAL CHARACTERISTICS.
[7.717]
CPK DENOTES REVISION
CPK DIMENSIONS, -MINIMUM CPK VALUE
REV DATE DESCRIPTION
1 9/18/17 DENOTES APRELIMINARY
CHARACTERISTIC THAT
DRAWING MRYPROVIDES AN INDICATION
Size: 3 L Size: 3L DE
DE Blade
OF PROCESS PERFORMANCE. PROCEDURE FOR MEASUREMENT
AND TRACKING TO BE DEFINED IN
LITTELFUSE INSPECTION INSTRUCTIONS.
Recommended Torque: 77 Nm* DENOTES CP DIMENSIONS, -MINIMUM CP VALUE
B
MUST BE WITHIN THE DIMENSIONAL LIMITATIONS
CP
SHOWN ON DRAWING AND INITIALLY LOCATED TO
ALLOW FOR MAXIMUM TOOL LIFE.
MATL SPEC FINISH
126
[4.961] DRW
MYORK
DATE
9/18/2017
SCALE
NTS
FINISH GOOD WT
GRAMS/PIECE
UNLESS OTHERWISE SPECIFIED, DIMENSIONS ARE IN MILLIMETERS, DIMENSIONS IN
13.00 BRACKETS [ ] ARE INCHES DIMENSIONING AND DO NOT INCLUDE PLATING. TOLERANCING
[0.512] TO BE INTERPRETED IN ACCORDANCE WITH ANSI Y14.5M-1994
3RD ANGLE
PROJECTION
73.00
[2.874] TITLE
1500VDC SIZE 2XLW/ S-BLADE PHOTOVOLTAIC FUSE OUTLINE
37.00
[1.457]
Littelfuse
® REVISION DRWG NO. SHEET 1 OF 1
13.00 OL-SPNH000.X2XLDL_for
[0.512]
CHICAGO, ILLINOIS 60631
1
datasheet
6.00
[0.236]
131.2
[5.165]
73.00
164 [2.874]
[6.457]
196 DENOTES CRITICAL CHARACTERISTICS.
[7.717] CPK DENOTES CPK DIMENSIONS,REVISION
-MINIMUM CPK VALUE
REV DATE DESCRIPTION
DENOTES A CHARACTERISTIC THAT PROVIDES AN INDICATION
1 9/18/17 PRELIMINARY DRAWING MRY
Size: 3L DL
OF PROCESS PERFORMANCE. PROCEDURE FOR MEASUREMENT
AND TRACKING TO BE DEFINED IN
Size: 3 L DL Blade LITTELFUSE INSPECTION INSTRUCTIONS.
DENOTES CP DIMENSIONS, -MINIMUM CP VALUE
B
MUST BE WITHIN THE DIMENSIONAL LIMITATIONS
CP
Recommended Torque: 44 Nm* SHOWN ON DRAWING AND INITIALLY LOCATED TO
ALLOW FOR MAXIMUM TOOL LIFE.
MATL SPEC FINISH
126 DRW DATE
9/18/2017
SCALE FINISH GOOD WT
MYORK NTS
[4.961] GRAMS/PIECE
UNLESS OTHERWISE SPECIFIED, DIMENSIONS ARE IN MILLIMETERS, DIMENSIONS IN
BRACKETS [ ] ARE INCHES DIMENSIONING AND DO NOT INCLUDE PLATING. TOLERANCING
11.00 TO BE INTERPRETED IN ACCORDANCE WITH ANSI Y14.5M-1994
[0.433] 3RD ANGLE
PROJECTION
73.00 TITLE
1500VDC SIZE 3L W/ U-BLADE PHOTOVOLTAIC FUSE OUTLINE
[2.874]
37.00
Littelfuse
® REVISION DRWG NO. SHEET 1 OF 1
[1.457] OL-SPNH000.X3LDE_for
CHICAGO, ILLINOIS 60631
1
datasheet
6.00
11.00 [0.236]
131.2 [0.433]
[5.165]
73.00
165.5 [2.874]
[6.516]
196 DENOTES CRITICAL CHARACTERISTICS.
[7.717] CPK DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE
DENOTES A CHARACTERISTIC THAT PROVIDES AN INDICATION
OF PROCESS PERFORMANCE. PROCEDURE FOR MEASUREMENT
*recommended torque values are for grade 8 steel hardware AND TRACKING TO BE DEFINED IN
LITTELFUSE INSPECTION INSTRUCTIONS.
DENOTES CP DIMENSIONS, -MINIMUM CP VALUE
B
MUST BE WITHIN THE DIMENSIONAL LIMITATIONS
CP
SHOWN ON DRAWING AND INITIALLY LOCATED TO
ALLOW FOR MAXIMUM TOOL LIFE.
MATL SPEC FINISH
DRW
MYORK
DATE
9/18/2017 Littelfuse.com/solar
NTS
SCALE FINISH GOOD WT
GRAMS/PIECE
9 of 52 © 2021 Littelfuse, Inc.
UNLESS OTHERWISE SPECIFIED, DIMENSIONS ARE IN MILLIMETERS, DIMENSIONS IN
BRACKETS [ ] ARE INCHES DIMENSIONING AND DO NOT INCLUDE PLATING. TOLERANCING
TO BE INTERPRETED IN ACCORDANCE WITH ANSI Y14.5M-1994
3RD ANGLE
PROJECTIONSolar Products
SPNH SERIES SOLAR FUSE
Dimensions Millimeters (in)
REVISION
REV DATE DESCRIPTION
A 6/25/18 519469GCP - RELEASE PER EM3026 MRY
B 10/20/20 522884ECP/C - UPDATE TO NEW CAP DESIGN M
Size: 1 XL DL Blade w/ Microswitch Tab
Recommended Torque: 44 Nm*
1 131.20
[5.165] 9.85
3.00 [0.388]
[0.118]
24.00 11.00
[0.945] [0.433] 11.00
[0.433]
51.00
[2.008]
6.00
[0.236]
126.00 51.00
[4.961] [2.008]
162.70
[6.406]
REVISION
196.00 REV DATE DESCRIPTION
[7.717] A 6/25/18 519469GCP - RELEASE PER EM3026 MRY
B 10/20/20 522884ECP/C - UPDATE TO NEW CAP DESIGN
DENOTES CRITICAL CHARACTERISTICS.
Size: 1 XL DE Blade w/ Microswitch Tab CPK DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE
Recommended Torque: 44 Nm* DENOTES A CHARACTERISTIC THAT PROVIDES AN IND
OF PROCESS PERFORMANCE. PROCEDURE FOR MEASUR
AND TRACKING TO BE DEFINED IN
LITTELFUSE INSPECTION INSTRUCTIONS.
131.20 DENOTES CP DIMENSIONS, -MINIMUM CP VALUE
[5.165] 9.85 CP
MUST BE WITHIN THE DIMENSIONAL LIMITATIONS
3.00 [0.388] SHOWN ON DRAWING AND INITIALLY LOCATED TO
ALLOW FOR MAXIMUM TOOL LIFE.
[0.118]
24.00 MATL SPEC FINISH
[0.945]
DRW DATE SCALE FIN
MYORK 4/18/2018 NTS
UNLESS OTHERWISE SPECIFIED, DIMENSIONS ARE IN MILLIMETERS, D
BRACKETS [ ] ARE INCHES DIMENSIONING AND DO NOT INCLUDE PLATIN
TO BE INTERPRETED IN ACCORDANCE WITH ANSI Y14.5M-1
51.00
3RD ANGLE
[2.008] PROJECTION
11.00 TITLE
[0.433] 1500VDC SIZE 1XL W/ S-BLADES PHOTOVOLTAIC FUSE W/ MI
6.00 INTERFACE OUTLINE
(2x) 126.00 [0.236]
Littelfuse
® REVISION DRWG NO.
[4.961] 51.00 CHICAGO, ILLINOIS 60631
B OL-SPNH000
[2.008]
158.40
[6.236]
196.00
[7.717]
REVISION
REV DATE DESCRIPTION
A 6/25/18 519469GCP
DENOTES - RELEASE
CRITICAL PER EM3026 MRY
CHARACTERISTICS.
Size: 2 XL DL Blade w/ Microswitch Tab CPK DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE
Recommended Torque: 44 Nm* DENOTES A CHARACTERISTIC THAT PROVIDES AN IND
OF PROCESS PERFORMANCE. PROCEDURE FOR MEASUR
AND TRACKING TO BE DEFINED IN
LITTELFUSE INSPECTION INSTRUCTIONS.
131.20 DENOTES CP DIMENSIONS, -MINIMUM CP VALUE
9.85
[5.165] CP
MUST BE WITHIN THE DIMENSIONAL LIMITATIONS
11.00 [0.388] SHOWN ON DRAWING AND INITIALLY LOCATED TO
ALLOW FOR MAXIMUM TOOL LIFE.
[0.433] MATL SPEC FINISH
30.00
[1.181] DRW DATE SCALE FIN
MYORK 4/18/2018 NTS
UNLESS OTHERWISE SPECIFIED, DIMENSIONS ARE IN MILLIMETERS, D
BRACKETS [ ] ARE INCHES DIMENSIONING AND DO NOT INCLUDE PLATI
TO BE INTERPRETED IN ACCORDANCE WITH ANSI Y14.5M-1
60.00 3RD ANGLE
[2.362] PROJECTION
TITLE
1500VDC SIZE 1XL W/ U-BLADES PHOTOVOLTAIC FUSE W/ M
INTERFACE OUTLINE
11.00 6.00
Littelfuse
® REVISION DRWG NO.
[0.433] [0.236] CHICAGO, ILLINOIS 60631
126.00
[4.961] 60.00 B OL-SPNH000
[2.362]
165.50
[6.516]
196.00
[7.717]
*recommended torque values are for grade 8 steel hardware
DENOTES CRITICAL CHARACTERISTICS.
CPK DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE
DENOTES A CHARACTERISTIC THAT PROVIDES AN INDICATION
OF PROCESS PERFORMANCE. PROCEDURE FOR MEASUREMENT
AND TRACKING TO BE DEFINED IN
Littelfuse.com/solar
LITTELFUSE INSPECTION INSTRUCTIONS.
DENOTES CP DIMENSIONS, -MINIMUM CP VALUE
10 of 52 CP © 2021 Littelfuse, Inc.
MUST BE WITHIN THE DIMENSIONAL LIMITATIONS
SHOWN ON DRAWING AND INITIALLY LOCATED TO
ALLOW FOR MAXIMUM TOOL LIFE.
MATL SPEC FINISH
DRW DATE SCALE FINISH GOODSolar Products
SPNH SERIES SOLAR FUSE
Dimensions Millimeters (in)
REVISION REVISION
REV DATE REV DATE DESCRIPTION DESCRIPTION
A 6/25/18 A 6/25/18 519469GCP - RELEASE
519469GCP
PER EM3026
- RELEASE
MRY PER EM3026 MRY
Size: 2 XL DE Blade w/ Microswitch Tab Microswitch
REV DATE
A 6/25/18 519
Recommended Torque: 77 Nm*
MSSPNH1500X 1
131.20 131.20 9.85 9.85
[5.165] [5.165] [0.388] [0.388]
30.00 30.00
[1.181] [1.181]
60.00 60.00
[2.362] [2.362]
13.00 13.00 NOTES:
[0.512] [0.512]
(2x) (2x) 51.00 6.00 6.00
126.00 126.00 RATED CURRENT: ~5A
[2.008] [0.236] [0.236]
[4.961] [4.961] 60.00 60.00 RATED VOLTAGE: ~125V-~250V
164.00 164.00 [2.362] [2.362] 51.00
[6.457] [6.457] [2.008]
196.00 196.00
[7.717] [7.717]
31.90
[1.256]
REV DATE REV DATE
31.90 REVISION REVISION
DESCRIPTION DESCRIPTION
Size: 3 L DL Blade w/ Microswitch Tab A 6/25/18 6/25/18
DENOTES ACRITICAL
DENOTES[1.256]
519469GCPCHARACTERISTICS.
CHARACTERISTICS.
CRITICAL - RELEASE
519469GCP
PER EM3026
- RELEASE
MRY PER EM3026 MRY
CPK DENOTES
CPK CPK DIMENSIONS,
DENOTES CPK
-MINIMUM
DIMENSIONS,
CPK VALUE
-MINIMUM CPK VALUE
Recommended Torque: 44 Nm* DENOTES A CHARACTERISTIC
DENOTES A THAT
CHARACTERISTIC
PROVIDES ANTHAT PROVIDES AN INDICATION
INDICATION
OF PROCESS PERFORMANCE.
OF PROCESS PROCEDURE
PERFORMANCE.
FOR MEASUREMENT
PROCEDURE FOR MEASUREMENT
AND TRACKING TOAND
BE DEFINED
TRACKING INTO BE DEFINED IN
LITTELFUSE INSPECTION
LITTELFUSE
INSTRUCTIONS.
INSPECTION INSTRUCTIONS.
DENOTES CRITICAL C
131.20 131.20 9.85 9.85 DENOTES CP DIMENSIONS,
DENOTES-MINIMUM
CP DIMENSIONS,
CP VALUE
-MINIMUM CP VALUE
[0.388] [0.388]
B B
MUST BE WITHIN THE
MUSTDIMENSIONAL
BE WITHIN THELIMITATIONS
DIMENSIONAL LIMITATIONS DENOTES CPK DIMEN
[5.165] [5.165] CP CP
SHOWN ON DRAWINGSHOWN
ANDONINITIALLY
DRAWING LOCATED
AND INITIALLY
TO LOCATED TO
CPK
ALLOW FOR MAXIMUM
ALLOW
TOOL
FORLIFE.
MAXIMUM TOOL LIFE. DENOTES A CHARACT
MATL SPEC MATL SPEC FINISH FINISH OF PROCESS PERFOR
AND TRACKING TO B
37.00 37.00 11.00 11.00 DRW DRW DATE DATE SCALE SCALEFINISH GOOD WT FINISH GOOD WT
LITTELFUSE INSPECT
DENOTES CP DIMENS
[1.457] [1.457] [0.433] [0.433] MYORK 4/18/2018
MYORK 4/18/2018
NTS NTS
GRAMS/PIECE GRAMS/PIECE MUST BE WITHIN TH
CP
UNLESS OTHERWISE UNLESS
SPECIFIED,
OTHERWISE
DIMENSIONS
SPECIFIED,
ARE DIMENSIONS
IN MILLIMETERS,
ARE DIMENSIONS
IN MILLIMETERS,
IN DIMENSIONS IN SHOWN ON DRAWIN
BRACKETS [ ] AREBRACKETS
INCHES DIMENSIONING
[ ] ARE INCHES
AND
DIMENSIONING
DO NOT INCLUDE
AND DO
PLATING.
NOT INCLUDE
TOLERANCING
PLATING. TOLERANCING ALLOW FOR MAXIMU
TO BE INTERPRETEDTO IN
BE ACCORDANCE
INTERPRETEDWITH
IN ACCORDANCE
ANSI Y14.5M-1994
WITH ANSI Y14.5M-1994
MATL SPEC
3RD ANGLE 3RD ANGLE
73.00 73.00
PROJECTION PROJECTION
DRW DATE
[2.874] [2.874] myork 4/24/2018
TITLE TITLE
1500VDC SIZE 2XL
1500VDC
W/ U-BLADE
SIZE 2XL
PHOTOVOLTAIC
W/ U-BLADE PHOTOVOLTAIC
FUSE W/ MICROSWITCH
FUSE W/ MICROSWITCHUNLESS OTHERWISE SPECIFIED, DIM
INTERFACE OUTLINE
INTERFACE OUTLINE BRACKETS [ ] ARE INCHES DIMENSION
11.00 11.00 TO BE INTERPRETED IN A
Littelfuse
Littelfuse
® REVISION ®DRWG REVISION
NO. DRWGSHEET
NO. 1 OF 1 SHEET 1 OF 1
[0.433] [0.433] 3RD ANGLE
6.00
CHICAGO, ILLINOIS 60631
6.00 A
CHICAGO, ILLINOIS 60631
A OL-SPNH.X2XLDEMSPROJECTION
OL-SPNH.X2XLDEMS
126.00 126.00 [0.236] [0.236]
[4.961] [4.961] TITLE
SPNH MIC
73.00 73.00
165.50 165.50 [2.874] [2.874]
[6.516] [6.516]
Littelfuse
®
196.00 196.00 CHICAGO, ILLINOIS 60631
[7.717] [7.717]
DENOTES CRITICAL
DENOTES
CHARACTERISTICS.
CRITICAL CHARACTERISTICS.
CPK DENOTES
CPK CPK DIMENSIONS,
DENOTES CPK
-MINIMUM
DIMENSIONS,
CPK VALUE
-MINIMUM CPK VALUE
REVISION A THAT
DENOTES A CHARACTERISTIC
DENOTES REVISION
CHARACTERISTIC
PROVIDES ANTHAT PROVIDES AN INDICATION
INDICATION
Size: 3 L DE Blade w/ Microswitch Tab
REV DATE REV DATE
OF PROCESS PERFORMANCE.
OF PROCESSDESCRIPTION
PROCEDURE
PERFORMANCE.FORDESCRIPTION
MEASUREMENT
PROCEDURE FOR MEASUREMENT
A
6/25/18 A
6/25/18
AND TRACKING519469GCP
TOAND - RELEASE
BE DEFINED
TRACKING 519469GCP
IN PERBE
TO EM3026
- RELEASE
MRYIN PER EM3026 MRY
DEFINED
LITTELFUSE INSPECTION
LITTELFUSE
INSTRUCTIONS.
INSPECTION INSTRUCTIONS.
Recommended Torque: 77 Nm* DENOTES CP DIMENSIONS,
DENOTES-MINIMUM
CP DIMENSIONS,
CP VALUE-MINIMUM CP VALUE
B B
MUST BE WITHIN THE
MUST DIMENSIONAL
BE WITHIN THE LIMITATIONS
DIMENSIONAL LIMITATIONS
CP CP
SHOWN ON DRAWINGSHOWNANDON INITIALLY
DRAWING LOCATED
AND INITIALLY
TO LOCATED TO
ALLOW FOR MAXIMUM
ALLOWTOOLFORLIFE.
MAXIMUM TOOL LIFE.
MATL SPEC MATL SPEC FINISH FINISH
131.20 131.20 9.85 9.85
[5.165] [5.165] [0.388] [0.388] DRW DRW DATE DATE SCALE SCALEFINISH GOOD WT FINISH GOOD WT
MYORK 4/18/2018
MYORK 4/18/2018
NTS NTS
GRAMS/PIECE GRAMS/PIECE
UNLESS OTHERWISE UNLESS
SPECIFIED,
OTHERWISE
DIMENSIONS
SPECIFIED,
ARE DIMENSIONS
IN MILLIMETERS,
ARE DIMENSIONS
IN MILLIMETERS,
IN DIMENSIONS IN
BRACKETS [ ] AREBRACKETS
INCHES DIMENSIONING
[ ] ARE INCHES
AND
DIMENSIONING
DO NOT INCLUDE
AND DO
PLATING.
NOT INCLUDE
TOLERANCING
PLATING. TOLERANCING
37.00 37.00 TO BE INTERPRETEDTO IN
BE ACCORDANCE
INTERPRETEDWITH
IN ACCORDANCE
ANSI Y14.5M-1994
WITH ANSI Y14.5M-1994
[1.457] [1.457] 3RD ANGLE 3RD ANGLE
PROJECTION PROJECTION
TITLE TITLE
1500VDC SIZE 3L1500VDC
W/ S-BLADE
SIZE 3L
PHOTOVOLTAIC
W/ S-BLADE PHOTOVOLTAIC
FUSE W/ MICROSWITCH
FUSE W/ MICROSWITCH
INTERFACE OUTLINE
INTERFACE OUTLINE
73.00 73.00
Littelfuse
Littelfuse
® REVISION ®DRWG REVISION
NO. DRWGSHEET
NO. 1 OF 1
[2.874] [2.874] SHEET 1 OF 1
CHICAGO, ILLINOIS 60631
A
CHICAGO, ILLINOIS 60631
A OL-SPNH.X3LDLMS
OL-SPNH.X3LDLMS
13.00 13.00
[0.512] [0.512]
(2x) (2x) 6.00 6.00
126.00 126.00 [0.236] [0.236]
[4.961] [4.961]
73.00 73.00
164.00 164.00 [2.874] [2.874]
[6.457] [6.457]
196.00 196.00
[7.717] [7.717]
DENOTES CRITICAL
DENOTES
CHARACTERISTICS.
CRITICAL CHARACTERISTICS.
*recommended torque values are for grade 8 steel hardware CPK DENOTES
CPK CPK DIMENSIONS,
DENOTES CPK
-MINIMUM
DIMENSIONS,
CPK VALUE
-MINIMUM CPK VALUE
DENOTES A CHARACTERISTIC
DENOTES A THAT
CHARACTERISTIC
PROVIDES ANTHAT PROVIDES AN INDICATION
INDICATION
OF PROCESS PERFORMANCE.
OF PROCESS PROCEDURE
PERFORMANCE.
FOR MEASUREMENT
PROCEDURE FOR MEASUREMENT
AND TRACKING TOAND
BE DEFINED
TRACKING INTO BE DEFINED IN
LITTELFUSE INSPECTION
LITTELFUSE
INSTRUCTIONS.
INSPECTION INSTRUCTIONS.
DENOTES CP DIMENSIONS,
DENOTES-MINIMUM
CP DIMENSIONS,
CP VALUE
-MINIMUM CP VALUE
B B
MUST BE WITHIN THE
MUSTDIMENSIONAL
BE WITHIN THELIMITATIONS
DIMENSIONAL LIMITATIONS
CP CP
SHOWN ON DRAWINGSHOWN
ANDONINITIALLY
DRAWING LOCATED
AND INITIALLY
TO LOCATED TO
MATL SPEC
ALLOW FOR MAXIMUM
MATL SPEC
ALLOW
TOOL
FORLIFE.
MAXIMUM TOOL LIFE.
FINISH
Littelfuse.com/solar
FINISH
11 of 52 © 2021 Littelfuse, Inc.
DRW DRW DATE DATE SCALE SCALEFINISH GOOD WT FINISH GOOD WT
MYORK 4/18/2018
MYORK 4/18/2018
NTS NTS
GRAMS/PIECE GRAMS/PIECE
UNLESS OTHERWISE UNLESS
SPECIFIED,
OTHERWISE
DIMENSIONS
SPECIFIED,
ARE DIMENSIONS
IN MILLIMETERS,
ARE DIMENSIONS
IN MILLIMETERS,
IN DIMENSIONS IN
BRACKETS [ ] AREBRACKETS
INCHES DIMENSIONING
[ ] ARE INCHES
AND
DIMENSIONING
DO NOT INCLUDE
AND DO
PLATING.
NOT INCLUDE
TOLERANCING
PLATING. TOLERANCING
TO BE INTERPRETEDTO IN
BE ACCORDANCE
INTERPRETEDWITH
IN ACCORDANCE
ANSI Y14.5M-1994
WITH ANSI Y14.5M-1994Solar Products
LFXV15 SERIES FUSE BLOCK & COVER
1500 V • 35–60 A REACH
1
Specifications
Voltage Ratings 1500 V dc
Amperage Rating 60 A
Withstand Rating 50 kA
Power Dissipation 24.1W Maximum
Fuse Size 20 x 127 mm
Material Thermoplastic
Fuse Clip: Tin-plated copper alloy
Screws: Tin-plated aluminum
Description Operating Temperature -55 ˚C to +125 ˚C
The Littelfuse LFXV15 series fuse block and cover is designed Flammability Rating UL94 V-0
to hold 1500 V size 20 x 127 mm fuses rated 35–60 amperes. Temperature Stability Base: 130 ˚C
Suitable for photovoltaic systems (string and high-capacity Cover: 140 ˚C
combiner boxes) with fault currents up to 50 kA. Approvals Block: UL 4248-19 Listed
(File E345481)
With available ampere ratings up to 60 A, more strings can be Cover: UL Listed Fuse Accessory
pre-combined in harnesses to reduce the number of inputs into (File E184929)
combiner boxes, thereby decreasing installation time and labor Environmental RoHS compliant, Lead (Pb) free, REACH
costs. Recommended DIN Rail TH 35-7,5 per IEC 60715
Features/Benefits
Dead-front cover design offers personnel protection WIRE TYPE
Ventilated design keeps the fuse running cooler, even at
75 ˚C or 90 ˚C UL Class B and Class C wire
high ambient temperatures and current ratings, to increase CU Only
fuse longevity Stranded IEC Class 5 Flexible Wire (self-certified)
Narrower width accommodates more blocks in a panel to
maximize space
Designed for easy fuse removal and replacement to BUSBAR SPECIFICATIONS
minimize maintenance time. No tools required
35 mm DIN-rail mounting option for quick assembly and TERMINAL THICKNESS WIDTH TORQUE
installation
Accepts both wire and busbar for added flexibility Maximum
0.250 in 0.290 in 25 lb-in
(6.35 mm) (7.37 mm) (2.8 N-m)
Recommended Fuses Minimum
0.125 in 0.200 in 25 lb-in
(3.18 mm) (5.08 mm) (2.8 N-m)
Littelfuse SPXV 20 x 127 mm fuses rated 35–60 amperes.
Web Resources
Download the complete datasheet and other technical
documents: Littelfuse.com/LFXV15
Ordering Information
VOLTAGE AMPERE FUSE BLOCK & COVER CONNECTOR
POLES DRIVE TORQUE WIRE RANGE WIRE TYPE
(V dc) RATING ORDERING NUMBER TYPE
2–4 AWG
5.6 N-m (50 lb-in)
3/16 (35–25 mm2)
1500 60 1 LFXV15060-BC* Box Lug CU only Stranded
Inch Hex 6–14 AWG
2.8 N-m (25 lb-in)
(16–2.5 mm2)
*For replacement only: Fuse Block LFXV150601C or Cover LFXV15060FBC
Littelfuse.com/solar
12 of 52 © 2021 Littelfuse, Inc.Solar Products
LFXV15 SERIES FUSE BLOCK & COVER
LFXV15 Features & Benefits
1
Narrow width of holder
accommodates more blocks
Handle designed for easy fuse removal
in a panel to maximize space
and replacement to minimize
(34.79 mm; 1.37 in)
maintenance time. No tools required.
Dead-front cover design
Thermoplastic barriers for
offers personnel protection
additional safety
Ventilated design keeps fuse
running cooler, even at high
ambient temperatures and current
ratings, to increase fuse longevity
Fuse puller hooks
facilitate easy removal
SPXV Solar Fuse
(not included)
#10 panel mounting holes available
for installation flexibility
35 mm DIN-rail clip mounting option
for quick assembly and installation
Accepts both wire and busbar
for added flexibility
Littelfuse.com/solar
13 of 52 © 2021 Littelfuse, Inc.Solar Products
LFXV15 SERIES FUSE BLOCK & COVER
Dimensions Millimeters (in)
1 Fuse Block & Cover Assembly: LFXV15060-BC
34.79
34.79
[1.370]
[1.370]
34.79
[1.370]
77.70
77.70
[3.059]
[3.059]
77.70
[3.059]
176.05
176.05
[6.931]
[6.931]
176.05
181.22
181.22
[6.931]
[7.135]
[7.135]
181.22
[7.135]
Fuse Cover: LFXV15060FBC
29.44
29.44
[1.159]
[1.159]
29.44
[1.159]
49.70
49.70 53.27
[1.957] 53.27
[1.957] [2.097]
[2.097]
49.70 53.27
[1.957] [2.097]
204.98
204.98
[8.070]
[8.070]
204.98
[8.070]
Fuse Block: LFXV150601C
34.79
34.79
[1.370]
[1.370]
34.79
[1.370]
50.67
50.67
[1.995]
[1.995]
50.67
[1.995]
176.05
176.05
[6.931]
[6.931]
176.05
181.22
181.22
[6.931]
[7.135]
[7.135]
181.22
[7.135]
Littelfuse.com/solar
14 of 52 © 2021 Littelfuse, Inc.Solar Products
LFPXV TOUCH-SAFE FUSE HOLDERS
1500 V • 30 A
Specifications 1
Voltage Ratings 1500 V dc
Amperage Rating 30 A UL, 32 A Littelfuse self-certified
SCCR Rating 50 kA
Power Dissipation 8W maximum
Fuse Type 10 x 85 mm
Material Thermoplastic
Fuse Clip: Silver-plated copper alloy
Screws: Zinc-plated steel
Operating Temperature -55 °C to +125 °C
Flammability Rating UL94 V-0
Temperature Stability Body: 130 °C
Carrier: 140 °C
Approvals UL 4248-19 Listed (File: E345481)
IEC 60269-6
Environmental RoHS compliant, Lead (Pb) free, REACH
Recommended DIN Rail TH 35-7,5 per IEC 60715
Description
The Littelfuse LFPXV fuse holder is designed to hold
1500 V 10x85 mm fuses. MATERIAL AND
WIRE TYPE
TEMP RATING
Features/Benefits
UL Class B and Class C wire
• Finger-safe design offers personnel protection
75 °C or 90 °C
• No fuse pullers or tools required for fuse removal CU Only AlphaWire PV Series Photovoltaic Wire
• 35 mm DIN-rail mountable Stranded
IEC Class 5 Flexible Wire
• Evaluated for use with copper alloy busbars
• Compact design
BUSBAR SPECIFICATIONS
Recommended Fuses
Littelfuse SPXV/SPXV-S Fuses TERMINAL THICKNESS WIDTH TORQUE
0.188 in 0.290 in
Web Resources Maximum
(4.78 mm) (7.37 mm) 24-28 lb-in
Download the complete datasheet and other technical 0.125 in 0.200 in (2.71-3.16 N-m)
documents: Littelfuse.com/LFPXV Minimum
(3.18 mm) (5.08 mm)
Ordering Information
TERMINAL INFORMATION
VOLTAGE CATALOG ORDERING PACK
SERIES POLES TERMINAL NUMBER
(V dc) NUMBER NUMBER QTY WIRE SIZE TORQUE
TYPE OF WIRES
4-14 AWG 24-28 lb-in
1
(25-2.5 mm2) (2.71-3.16 N-m)
16-18 AWG 18-22 lb-in
1
(1.5-0.75 mm2) (2.03-2.49 N-m)
LFPXV 1500 1 LFPXV001 LFPXV0001Z 20 Box Lug
6-14 AWG 26-30 lb-in
2*
(16-2.5 mm2) (2.94-3.69 N-m)
16-18 AWG 20-24 lb-in
2*
(1.5-0.75 mm2) (2.26-2.71 N-m)
*Must be the same cross-sectioned size
Littelfuse.com/solar
15 of 52 © 2021 Littelfuse, Inc.Solar Products
LFPXV TOUCH-SAFE FUSE HOLDERS
Dimensions Millimeters (in)
1
87.17 REF.
[3.432]
22.10 REF.
[0.87]
Side View Top View
138.00 REF.
[5.433]
Front View
Littelfuse.com/solar
16 of 52 © 2021 Littelfuse, Inc.Solar Products
LFNH SERIES FUSE BLOCK
1
Specifications
Voltage Rating 1500 V dc
Ampere Rating 200, 400, 630 A
Interrupt Rating 30 kA
Termination Type Stud Mount
Base Temp Rating
Approvals UL4248-1
UL4248-19
FILE: E345481 Vol. 2
Description Environmental RoHS Compliant
The LFNH series fuse block is specifically designed for the Material Fuse Clip: Silver-Plated Copper
Littelfuse SPNH 1500 V solar fuse. It meets UL electrical Spring: Zinc-Plated Steel
requirements, is available in multiple case sizes and has an Mounting Plate: Zinc-Plated Steel
Insulator: Ceramic
optional cover to enclose the lugs.
Features/Benefits Recommended Fuses
• Narrow width increases space savings SPNH Series
• Range of amperages to match all SPNH fuse options
Web Resources
For sample requests, downloadable CAD drawings, dimensions
and other technical information:
Littelfuse.com/LFNH
For a comprehensive overview of solar market solutions, visit:
Littelfuse.com/solar
Ordering Information
RECOMMENDED TORQUE
ORDERING TERMINAL COVER
AMPERAGE FUSE SIZE
NUMBER ORDERING NUMBER*
TERMINAL BASE
200 LFNH152001CST NH1XL 283 in-lb (32 N-m) 132 in-lb (15 N-m) LFNH15200FBC
400 LFNH154001CST NH2XL 283 in-lb (32 N-m) 132 in-lb (15 N-m) LFNH15400FBC
630 LFNH156301CST NH3L 283 in-lb (32 N-m) 132 in-lb (15 N-m) LFNH15630FBC
*Terminal covers sold separately
Littelfuse.com/solar
17 of 52 © 2021 Littelfuse, Inc.Solar Products
LFNH SERIES FUSE BLOCK
Dimensions Millimeters (in)
1
REVISION
REV DATE DESCRIPTION
1 3/16/16 PRELIMINARY DRAWING MR
55.00 82.50
[3.248]
Fuse Block
[2.165]
LFNH152001CST
258.00
[10.157]
84.00 233.00
[3.307] [9.173]
30.00
100.50 [1.181]
[3.957]
201.00
[7.913]
R5.25
[0.207]
12.50
[0.492]
DENOTES CRITICAL CHARACTERISTICS.
CPK DENOTES CPK DIMENSIONS, -MINIMUM CPK VAL
M10x30 DIN 933 DENOTES A CHARACTERISTIC THAT PROVIDES A
OF PROCESS PERFORMANCE. PROCEDURE FOR M
AND TRACKING TO BE DEFINED IN
LITTELFUSE INSPECTION INSTRUCTIONS.
M10 DIN 934 DENOTES CP DIMENSIONS, -MINIMUM CP VALUE
SPECIFICATIONS: CP
MUST BE WITHIN THE DIMENSIONAL LIMITATIO
SHOWN ON DRAWING AND INITIALLY LOCATED
ALLOW FOR MAXIMUM TOOL LIFE.
MATERIAL: MATL SPEC FINISH
FUSE CLIP: SILVER PLATED COPPER
SPRING: ZINC PLATED STEEL DRW
myork
DATE SCALE
3/16/2016 NTS
MOUNTING PLATE: ZINC PLATED STEEL REVISION
UNLESS OTHERWISE SPECIFIED, DIMENSIONS ARE IN MILLIMET
INSULATOR: CERAMIC REV DATE DESCRIPTION
BRACKETS [ ] ARE INCHES DIMENSIONING AND DO NOT INCLUDE
RECOMMENDED TORQUE: 1
2
7/1/16
07/05/2016
PRELIMINARY DRAWING MRY
TO BE INTERPRETED IN ACCORDANCE WITH ANSI Y1
MOVED PRINTING TO ONE SIDE/ ADDED PRINTING DETAIL -TV
MOUNTING PLATE: 12N-m
Fuse Terminal Cover
3RD ANGLE
52.00 PROJECTION
83.69 [2.047] TERMINAL: 32N-m
[3.295] RATED CURRENT: 200A
LFNH15200FBC
VOLTAGE: 1500V
TITLE
1500V 200A FUSEBLOCK OUTLINE
Littelfuse
® REVISION DRWG NO.
1 OL-LFN
Specifications
CHICAGO, ILLINOIS 60631
Voltage Rating: 1500 V
64.72 Ampere Rating: 200 amperes
[2.548] 86.20
[3.394] Flammability Rating: UL 94 V-0
Material: V0-rated Nylon
Packaging: Sold in pairs
LFNH15200FBC
DENOTES CRITICAL CHARACTERISTICS.
CPK DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE
DENOTES A CHARACTERISTIC THAT PROVIDES AN INDICATION
OF PROCESS PERFORMANCE. PROCEDURE FOR MEASUREMENT
AND TRACKING TO BE DEFINED IN
LITTELFUSE INSPECTION INSTRUCTIONS.
NOTES: DENOTES CP DIMENSIONS, -MINIMUM CP VALUE
B
MUST BE WITHIN THE DIMENSIONAL LIMITATIONS
LFNH15200FBC
CP
1. LOGO INFORMATION TO CONFIRM TO LITTELFUSE PRINT 095115. SHOWN ON DRAWING AND INITIALLY LOCATED TO
ALLOW FOR MAXIMUM TOOL LIFE.
2. RoHS EMBLEM TO CONFORM TO LITTELFUSE PRINT LS-000003.
MATL SPEC FINISH
3. PRINTING TO BE CLEAR, LEGIBLE AN NOT SMEARED.
NYLON-LATAMID 66 H2 G/25-V0 HF1 BLACK
4. BODY PRINT PRODUCT INFORMATION IN PEG 1083 WHITE INK IN AREAS INDICATED.
DRW DATE SCALE FINISH GOOD WT
tveselsk 7/1/2016 NTS
GRAMS/PIECE
UNLESS OTHERWISE SPECIFIED, DIMENSIONS ARE IN MILLIMETERS, DIMENSIONS IN
BRACKETS [ ] ARE INCHES DIMENSIONING AND DO NOT INCLUDE PLATING. TOLERANCING
Littelfuse.com/solar
TO BE INTERPRETED IN ACCORDANCE WITH ANSI Y14.5M-1994
18 of 52
3RD ANGLE
PROJECTION
©
ONE2021 Littelfuse,
PLACE DEC ± .25 [.01] Inc.FRACTION ±
TOLERANCE UNLESS OTHERWISE SPECIFIED
MADE IN SLOVENIA TWO PLACE DEC ± .100 [.004] ANGULAR ±1º
TITLE
FUSE TERMINAL COVERSolar Products
LFNH SERIES FUSE BLOCK
Dimensions Millimeters (in)
1
REVISION
REV DATE DESCRIPTION
1 9/18/17 PRELIMINARY DRAWING
65.00
[2.559]
89.30
[3.516] Fuse Block
LFNH154001CST
285.00
[11.220]
96.50
[3.799] 260.00
[10.236]
113.00 30.00
[4.449] [1.181]
226.00
[8.898]
R5.25
[0.207]
17.50
[0.689]
DENOTES CRITICAL CHARACTERISTICS.
CPK DENOTES CPK DIMENSIONS, -MINIMUM CPK V
DENOTES A CHARACTERISTIC THAT PROVIDE
OF PROCESS PERFORMANCE. PROCEDURE FOR
M10
AND TRACKING TO BE DEFINED IN
LITTELFUSE INSPECTION INSTRUCTIONS.
DENOTES CP DIMENSIONS, -MINIMUM CP VAL
SPECIFICATIONS: CP
MUST BE WITHIN THE DIMENSIONAL LIMITAT
SHOWN ON DRAWING AND INITIALLY LOCATE
ALLOW FOR MAXIMUM TOOL LIFE.
MATERIAL: MATL SPEC FINISH
FUSE CLIP: SILVER PLATED COPPER
SPRING: ZINC PLATED STEEL DRW DATE SCALE
MYORK 9/18/2017 NTS
MOUNTING PLATE: ZINC PLATED STEEL
UNLESS OTHERWISE SPECIFIED, DIMENSIONS ARE IN MILLIM
INSULATOR: CERAMIC BRACKETS [ ] ARE INCHES DIMENSIONING AND DO NOT INCLUD
RECOMMENDED TORQUE: TO BE INTERPRETED IN ACCORDANCE WITH ANSI
REVISION
MOUNTING PLATE: 15N-m REV
1
DATE
9/18/17
3RD ANGLE
PROJECTION
DESCRIPTION
PRELIMINARY DRAWING MRY
TERMINAL: 32N-m
96.01
58.00
[2.283] Fuse Terminal Cover
RATED CURRENT: 400A
VOLTAGE: 1500V
TITLE
1500V 400A FUSEBLOCK OUTLINE
[3.780]
LFNH15400FBC Littelfuse
® REVISION DRWG NO
CHICAGO, ILLINOIS 60631
1 OL-LF
Specifications
Voltage Rating: 1500 V
72.70 Ampere Rating: 400 amperes
93.87
[2.862]
[3.696] Flammability Rating: UL 94 V-0
Material: V0-rated Nylon
Packaging: Sold in pairs
LFNH15400FBC
MADE IN SLOVENIA
DENOTES CRITICAL CHARACTERISTICS.
CPK DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE
DENOTES A CHARACTERISTIC THAT PROVIDES AN INDICATION
OF PROCESS PERFORMANCE. PROCEDURE FOR MEASUREMENT
AND TRACKING TO BE DEFINED IN
LITTELFUSE INSPECTION INSTRUCTIONS.
SPECIFICATIONS: DENOTES CP DIMENSIONS, -MINIMUM CP VALUE
B
MUST BE WITHIN THE DIMENSIONAL LIMITATIONS
CP
SHOWN ON DRAWING AND INITIALLY LOCATED TO
MATERIAL: NYLON ALLOW FOR MAXIMUM TOOL LIFE.
MATL SPEC FINISH
FLAMMABILITY RATING: UL94 V-0
DRW DATE SCALE FINISH GOOD WT
MYORK 9/18/2017 NTS
Littelfuse.com/solar
UNLESS OTHERWISE SPECIFIED, DIMENSIONS ARE IN MILLIMETERS, DIMENSIONS IN
GRAMS/PIECE
19 of 52 © 2021 Littelfuse, Inc.
BRACKETS [ ] ARE INCHES DIMENSIONING AND DO NOT INCLUDE PLATING. TOLERANCING
TO BE INTERPRETED IN ACCORDANCE WITH ANSI Y14.5M-1994
3RD ANGLE
PROJECTION
TITLESolar Products
LFNH SERIES FUSE BLOCK
Dimensions Millimeters (in)
1
REVISION
REV DATE DESCRIPTION
1 9/18/17 PRELIMINARY DRAWING MR
65.00
[2.559]
101.50
[3.996]
Fuse Block
LFNH156301CST
300.00
[11.811]
96.50
[3.799] 270.00
[10.630]
113.00 30.00
[4.449] [1.181]
226.00
[8.898]
R5.25
[0.207]
17.50
[0.689]
DENOTES CRITICAL CHARACTERISTICS.
CPK DENOTES CPK DIMENSIONS, -MINIMUM CPK VA
DENOTES A CHARACTERISTIC THAT PROVIDES
OF PROCESS PERFORMANCE. PROCEDURE FOR M
M12
AND TRACKING TO BE DEFINED IN
LITTELFUSE INSPECTION INSTRUCTIONS.
DENOTES CP DIMENSIONS, -MINIMUM CP VALU
SPECIFICATIONS: CP
MUST BE WITHIN THE DIMENSIONAL LIMITATIO
SHOWN ON DRAWING AND INITIALLY LOCATED
ALLOW FOR MAXIMUM TOOL LIFE.
MATERIAL: MATL SPEC FINISH
FUSE CLIP: SILVER PLATED COPPER
SPRING: ZINC PLATED STEEL DRW DATE
9/18/2017
SCALE
MYORK NTS
MOUNTING PLATE: ZINC PLATED STEEL
UNLESS OTHERWISE SPECIFIED, DIMENSIONS ARE IN MILLIME
INSULATOR: CERAMIC BRACKETS [ ] ARE INCHES DIMENSIONING AND DO NOT INCLUDE
RECOMMENDED TORQUE: TO BE INTERPRETED IN ACCORDANCE WITH ANSI Y
REVISION
REV DATE DESCRIPTION
MOUNTING PLATE: 15N-m 1 9/18/17
3RD ANGLE
PROJECTION PRELIMINARY DRAWING MRY
96.37 TERMINAL: 32N-m
[3.794] 58.00
[2.283] Fuse Terminal Cover
RATED CURRENT: 630A
VOLTAGE: 1500V
TITLE
1500V 630A FUSEBLOCK OUTLINE
LFNH15630FBC
Littelfuse
® REVISION DRWG NO.
CHICAGO, ILLINOIS 60631
1 OL-LFN
Specifications
Voltage Rating: 1500 V
87.50
[3.445] 108.62
Ampere Rating: 630 amperes
[4.277]
Flammability Rating: UL 94 V-0
Material: V0-rated Nylon
Packaging: Sold in pairs
LFNH15630FBC
MADE IN SLOVENIA
DENOTES CRITICAL CHARACTERISTICS.
CPK DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE
DENOTES A CHARACTERISTIC THAT PROVIDES AN INDICATION
OF PROCESS PERFORMANCE. PROCEDURE FOR MEASUREMENT
AND TRACKING TO BE DEFINED IN
LITTELFUSE INSPECTION INSTRUCTIONS.
SPECIFICATIONS: DENOTES CP DIMENSIONS, -MINIMUM CP VALUE
B
MUST BE WITHIN THE DIMENSIONAL LIMITATIONS
CP
SHOWN ON DRAWING AND INITIALLY LOCATED TO
MATERIAL: NYLON ALLOW FOR MAXIMUM TOOL LIFE.
MATL SPEC FINISH
FLAMMABILITY RATING: UL94 V-0
DRW DATE SCALE FINISH GOOD WT
MYORK 9/18/2017 NTS
Littelfuse.com/solar GRAMS/PIECE
UNLESS OTHERWISE SPECIFIED, DIMENSIONS ARE IN MILLIMETERS, DIMENSIONS IN
20 of 52 © 2021 Littelfuse, Inc.
BRACKETS [ ] ARE INCHES DIMENSIONING AND DO NOT INCLUDE PLATING. TOLERANCING
TO BE INTERPRETED IN ACCORDANCE WITH ANSI Y14.5M-1994
3RD ANGLE
PROJECTION
TITLESolar Products
SPFJ SERIES SOLAR FUSE
1000 V dc • 70–450 A
Specifications
Voltage Rating 1000 V dc
600 V ac (125-450 A)
Amperage Rating 70, 80, 90, 100, 125, 160, 200,
250, 300, 350, 400, 450
Interrupting Rating Ac: 200 kAIC (125-450 A) 2
Dc: 70-200 A: 20 kAIC
250-400 A: 10 kAIC
450 A: 20 kAIC
Time Constant ≤ 1 ms
Material Body: Melamine
End Bells: Copper Alloy
Approvals UL 248-19 Listed (File: E339112)
UL 248-8, Class J (125-450 A)
cULus (125-450 A)
IEC 60269-6 (125-450 A)
Description Environmental RoHS Compliant
Country of Origin Mexico
The SPFJ series is the smallest 1000 V dc 70-450 A
photovoltaic (PV) fuse available in the market. The SPFJ
series is manufactured in Class J case sizes that allows for
both fuse holder and busbar mounting configuration. The
Part Numbering System
SPFJ meets both UL and IEC requirements. SPFJ xxx X —
Series Mounting Options
Features/Benefits Blank = Std. Class J Dimensions
Amp Code
XL = 8.5mm Slot (125 - 200A Only)
• Meets UL and IEC photovoltaic standards Refer to Amp Code
• Small footprint reduces panel size Column in Electrical
Package Quantity
Specifications Table
• Flexibility of fuse holder or busbar mounting X=1
• Higher amperage solar fuses in standard sizes
• UL Listed branch and feeder circuit rated PACKAGE CATALOG ORDERING
SERIES AMPERAGE
• Class J case sizes for the 125-450 A ratings QUANTITY NUMBER NUMBER
SPFJ 70 1 SPFJ070 SPFJ070.X
Applications SPFJ 200 1 SPFJ200 SPFJ200.XXL
• Inverters
• Re-combiner boxes Dimensions Inches (mm)
Recommended Fuse Holder
LFJ1000 Solar Series
F E
Web Resources
Download technical documents: Littelfuse.com/spfj A G
B D
C
DIMENSIONS IN INCHES (MM)
AMPERAGE
A B C D E F G
70-100 3.02 (76.5) 4.38 (111.3) 5.75 (146.1) 1.5 (38.1) 1.125 (28.3) .335 (8.5) .189 (4.8)
125-200 3.02 (76.5) 4.38 (111.3) 5.75 (146.1) 1.5 (38.1) 1.125 (28.3) .281 (7.1)* .189 (4.8)
250-400 3 .37 (85.7) 5.25 (133.4) 7.125 (181.0) 2.0 (50.8) 1.63 (41.3) .406 (10.3) .252 (6.4)
450 3.75 (95.3) 5.98 (152.0) 8.0 (203.2) 2.5 (63.5) 2.0 (50.8) .531 (13.5) .374 (9.5)
* SPFJ L option = 8.5 mm (UL 248-19 approval only)
Littelfuse.com/solar
21 of 52 © 2021 Littelfuse, Inc.Solar Products
SPF SERIES SOLAR FUSES
1000 V dc • 1–30 A
Specifications
Voltage Rating 1000 V dc
Amperage Rating 1, 2, 3, 3.5, 4, 5, 6, 8, 10, 12, 15, 20, 25, 30
Max. Interrupting Rating
20 kA - 1 A - 20 A
50 kA - 25 A - 30 A
2 Time Constant
Material
≤ 2 ms
Body: Melamine
Caps: Copper Alloy
Approvals UL 248-19 Listed (File: E339112)
IEC 60269-6 (1-30 A)
CSA Certified (File: 029862_0_000)
Environmental RoHS Compliant
Country of Origin Mexico
Part Numbering System
Description
0SPF xxxx H XR
The SPF Solar Protection Fuse series has been specifically
designed for the protection of photovoltaic (PV) systems. This Series Mounting Options
family of midget-style fuses (10 x 38 mm) can safely protect PV Blank = Ferrule
modules and conductors from reverse-overcurrent conditions. Amp Code XR = PCB
As PV systems have grown in size, so have the corresponding Refer to datasheet for Package Quantity
amp code
voltage requirements. This increase in system voltage has T = 10
typically been intended to minimize power loss associated with H = 100
long conductor runs. Standard circuit protection devices are not
PACKAGE MOUNTING CATALOG ORDERING
designed to completely protect photovoltaic panels. However, SERIES AMPERAGE QUANTITY
METHOD NUMBER NUMBER
the SPF series is UL Listed to safely interrupt faulted circuits up
SPF 2 10 FERRULE SPF002 0SPF002.T
to this demanding voltage level.
SPF 3.5 10 FERRULE SPF03.5 0SPF03.5T
Littelfuse offers 14 ampere ratings to match specific SPF 30 100 PCB TABS SPF030R 0SPF030.HXR
requirements in a variety of applications.
Features/Benefits
Dimensions Inches (mm)
• Meets UL and IEC photovoltaic standards
Ferrule Version PCB Version
• UL 248-19 Listed 1000 V dc maximum
• 1-30 A ratings available 0.06 REF
(1.524)
• 20,000 A Interrupting Rating - 1 A - 20 A 0.012 REF
(0.292) 0.140 REF
• 50,000 A Interrupting Rating - 25 A - 30 A (3.56)
• Both PCB mount and dead-front holder options available 0.040 ±0.001
.378 (1.02 ±.025 )
Applications (9.60)
• Inverters 1.570 MAX
(39.88)
1.570
(39.88) MAX
• Combiner boxes 1.5 (38.1) 1.490 MIN 1.490
(37.84) (37.84) MIN
• Battery charge controllers ±.031
(±.79)
Recommended Accessories
Fuse Holder: LPHV 1000 V dc POWR-Safe Series
Fuse Clips: 125004/125005
Web Resources .406 0.50 REF 0.12 ±0.005
MOUNTING HOLE
DETAIL
(10.31) (12.70) (3.05 ±0.13 )
Download technical documents: littelfuse.com/spf
0.406 ±0.004 0.28 ±0.005
(10.31 ±0.10 ) (7.11 ±0.13 )
0.12 ±0.005
(3.05 ±0.13 )
Littelfuse.com/solar
22 of 52 © 2021 Littelfuse, Inc.Solar Products
SPFI SERIES IN-LINE SOLAR FUSE
1000 V dc • 2–30 A
Specifications
Voltage Rating 1000 V dc
Amperage Rating 2, 2.5, 3, 3.5, 4, 5, 6,
8, 10, 12, 15, 20, 25, 30 A 2
Interrupting Rating 20 kA
Time Constant ≤ 1 ms
Material Body: Melamine
Caps: Copper Alloy (Nickel Plated)
Approvals UL 2579 Recognized (File: E339112)
Environmental RoHS Compliant
REACH
Country of Origin Mexico
US Patent 9,564,281
Description
The Littelfuse SPFI solar fuse is designed to integrate into
an in-line assembly within a wire harness. The fuse provides
photovoltaic (PV) protection that meets UL 248-19 for Part Numbering System
photovoltaic applications. The SPFI can be electrically insulated SPFI xxx T
by either overmolding or using approved heat-shrink.
Series
Features/Benefits
Amp Code Package Quantity
• UL 248-19 Recognized
Refer to datasheet for T = 10
• Meets IEC 60269-6 electrical performance requirements amp code L = 50
• 20,000 A Interrupting Rating
• No fuse holder required
PACKAGE CATALOG ORDERING
SERIES AMPERAGE QUANTITY NUMBER NUMBER
Applications SPFI 2 10 SPFI002 SPFI002.T
• Photovoltaic wire harnes SPFI 3.5 10 SPFI03.5 SPFI03.5T
SPFI 20 50 SPFI020 SPFI020.L
Web Resources
Downloadable CAD drawings and other technical information:
littelfuse.com/spfi
Recommended Crimping Tool
T&B Sta-Kon ERG4002
Dimensions mm (in)
63.50
12.26 (2.50)
(0.483) 5.59
Typ. 2 (0.22)
ø 3.56
Typ. 2
(0.140)
9.53 10.31
(0.375) (0.406)
Typ. 2 Typ. 2
Littelfuse.com/solar
23 of 52 © 2021 Littelfuse, Inc.You can also read
