HARTING Han-Ex Connectors for explosion-hazardous environments
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HARTING Han-Ex® Connectors for explosion-hazardous environments
Content & General information
Content
Content & General information..............................02 Maximum surface temperatures for equipment.....11
Basics of explosion protection...............................03 Ignition protection types........................................12
Overview on international standards......................04 Connecting Ex and Non-Ex areas...........................13
Zone classification in Europe.................................05 Han® Ex Sets – Hoods/Housings Size 3A..............14
Gas explosion groups – European standards.........07
Hazardous area classification – North America.....08
Hazardous area classification – Europe.................10
Field of application Note:
HARTING Industrial Connectors are applicable in a wide variety Connectors should not be coupled and decoupled under
of electronic and electrical a pplications. The degree of protec- electrical load. C onnectors of the same or different series
tion of all hoods and housings is in accordance with internatio- being mounted side by side may be protected against incorrect
nal standard IEC 60 529 / EN 60 529. mating by the use of coding options.
■■ Power Utilities General information:
■■ Industrial It is the user’s responsibility to check whether the components
Instrumentation illustrated in this catalogue comply with different regulations
■■ Robotics from those stated in special fields of application which we are
■■ Conveyor Equipment unable to foresee. We reserve the right to modify designs in
■■ Chemical Plants order to improve quality, keep pace with technological advance-
■■ Transportation ment or meet particular requirements in production.
■■ Machine Tool Controls
■■ Injection Moulding Imprint
...and many more. ©2019, Editorial date 11/19, HARTING
Electric GmbH & Co. KG, Espelkamp, Germany
Author: HARTING
Certified according to EN ISO 9001 in All rights reserved, including those of the translation.
design/development, production, No part of this manual may be reproduced in any form (print,
installation and servicing photocopy, microfilm or any other process), processed, dupli-
cated or distributed by means of electronic systems without
Specifications: the written permission of HARTING Electric GmbH & Co. KG,
VDE 0110 Espelkamp.
Table concerning clearance and c reepage distances Subject to alterations without notice.
VDE 0627
Connectors and plug devices
Standards:
DIN EN 175301-801, DIN EN 61 984
02 HARTING Han® Ex
Basics of explosion protection
Causes of explosions
To set up an exothermic reaction like Each corner of the so-called ignition Today, all protection methods are
an explosion the following three com- triangle (refer to drawing) represents based on the elimination of one or
ponents have to interact: an indipensable component of such more factors within the triangle – in
• F uel: flammable vapors, liquids or an explosion. Once an exothermic order to minimise the potential im-
gases or flammable dusts and fibres reaction is ignited, the results de- pacts of the explosion.
• Oxidizer: generally air or oxygen pending on the energy released can
• Ignition energy: electrical or ther- be controllend combustion, flame
mal waves, or explosion.
Table 1: Effective ignition sources
Source Possible Causes
Sparks Mechanically generated sparks (e.g. by friction, impact or removal processes), electrical sparks
Electric arc Short-circuit, switching operations
Hot surfaces Radiators, machining, heating in operation
Open flame, welding arc Combustion reactions, flying sparks during welding work
Opening/closing of contacts, loose contacts, safety extra-low voltages (U
Overview on international standards
Table 2: International standards for electrical equipment in explosive gas atmospheres
Ignition US standard Principle European IEC Norm FM (USA) UL UL CSA
protection standard (USA, (USA, Zone) (Canada)
category (EN) Div.)
General Ignition protection EN 60079-0 IEC 60079-0 FM 3600 CSA
provisions type (ISA 12.00.01) E60079-0
Intrinsic Ex i Energy limitation EN 60079-11 IEC 60079-11
safety
AEx i NEC505 FM 3610 UL 913 UL 60079- CSA
11 E60079-11
(IS)
Increased Ex e Constructional EN 60079-7 IEC 60079-7
safety measures (no
AEx e NEC505 arcs, sparks or hot FM 3600 UL2279 UL 60079-7 CSA
surfaces) (ISA 12.16.01) Pt.7 E60079-7
Protection by tD NEC505 Exclusion of explosive FM 3615 e.g.hood/
enclosure atmosphere C22.2 No. 30 housing:
UL 1203
Flameproof Ex d Constructional EN 60079-1 IEC 60079-1
enclosure measures (enclosing
AEx d NEC505 flammable parts of FM 3600 (ISA UL2279 UL 60079-1 CSA
equipment) 12.22.01) Pt.1 E60079-1
Cast Ex m Exclusion of EN 60 079- IEC 60079-18
enclosure potentially explosive 18
atmosphere
AEx NEC505 FM 3600 UL2279 UL 60079- CSA
m (ISA 12.23.01) Pt.18 18 E60079-18
Oil Ex o Exclusion of EN 60079-6 IEC 60079-6
immersion potentially explosive
AEx o NEC505 atmosphere FM 3600 UL2279 UL 60079-6 CSA
(ISA 12.16.01) Pt.6 E60079-6
Powder filling Ex q Exclusion of EN 60079-5 IEC 60079-5 FM 3622
potentially explosive
AEx q NEC505 atmosphere FM 3600 UL2279 UL 60079-5 CSA
(ISA 12.25.01) Pt.5 E60079-5
Pressurised Ex p Exclusion of
potentially explosive
AExp NEC505 atmosphere EN 60079-2 IEC 60079-2
Typ X, NEC500
Y, Z
Ignition Ex n Improved industrial EN 60079-15 IEC 60079-15
protection quality
type “n” AEx n NEC505 FM 3600 UL2279 UL 60079- CSA
(ISA 12.12.02) Pt.15 15 E60079-15
Intrinsically Ex i Restriction of EN 60079-25 IEC 60079-25
safe electrical energy
electrical within equipment and
systems of wiring exposed to
„i-Sys“ explosive atmosphere
Intrinsically Ex i Energy limitation EN 60079-27 IEC 60079-27
safe Fieldbus
systems
Optical Ex op Limitation or EN 60079-28 IEC 60079-28
radiation containment of
radiation intensity
04 HARTING Han® Ex
Zone classification in Europe
Table 3: Assignment of equipment group and category
Equipment group Category Degree of protection Protection guarantee Operating conditions
I M1 Very high safety degree If one installation protection For reasons of safety, it must be
measure fails, a second protection possible to continue operating a
measure must guarantee the product even if the atmosphere is
necessary safety. Even if two potentially explosive.
independent errors occur, a
very high safety level remains
guaranteed.
I M2 High safety degree Equipment will switch off, if a In normal operation, the protective
potentially explosive atmosphere measures must still guarantee the
occurs. required safety even in difficult
conditions, or if equipment
is treated roughly or ambient
influences have changed.
II 1 Very high Two independent protective Equipment can still be used in
measures guarantee safety, if two zones 0, 1, 2(G) and 20, 21, 22 (D)
faults occur independently of one and continue to be operated.
another.
II 2 High Safety is guaranteed under normal Equipment can be used in zones 1,
operating conditions, even if 2(G) and 21, 22 (D) and continues
common faults occur. to be operational.
II 3 Normal Safety is guaranteed under normal Equipment can still be used
operating conditions. in zones 2(G) and 22 (D) and
continues to be operational.
Equipment group and categories were previously divided into Zones tion Certificate must be present. In
Equipment group I: Equipment inten- 10 and 11. Following an EC directive, addition, equipment for Zone 0 must
ded for use in underground parts the dual classification system was be explicitely approved for this kind of
and surface installations of mines transferred to a three-zone-scheme, application. In Zone 2, electrical ap-
which is exposed to explosion risks differentiating on the basis of more
paratuses that may concern the basic
from mine gases and/or combustible detailed criteria. As an example, the
health and safety requirements of the
dusts. The assigned categories M1 allocation to a particular zone is now
94/9/EC Directive are only permitted
and M2 are defined in the directive depending on the conductivity of
94/9/EC. the relevant dust. Conductive dust if the manufacturer declares their
Equipment group II: Equipment for (with specific electrical resistance compliance with the requirements
use in all the other areas that might R > 103 Ω m) in Zone 22 is alloca- of the ATEX Directive. Obviously, the
be endangered by an explosive ted to equipment category 2D. In equipment certified for use in Zones 0
atmosphere. Three subcategories – such environments, only apparatus and 1 can also be used in Zone 2.
1, 2 and 3 – are defined within this certified for the relevant category
group. (2D) must be used. Devices for non- Table 4 (refer to provides an over-
conductive dusts (R > 103 Ω m) are
view on the zones of explosive gas
Zone classification allocated to category 3D. For these
atmospheres and the allocation of
Hazardous areas are classified into devices, a Manufacturer’s Declarati-
equipment for the relevant zones.
zones to facilitate the selection of on of Conformity is sufficient.
appropriate electrical equipment as In both zones, 0 and 1, only elec- The correlation between category
well as the design of suitable electri- trical equipment with a Certificate and zones (according to the operator
cal installations – in order to minimi- of Conformity complies with the directive 1999/92/EC) is also shown.
se explosion risks. In Germany, dusts standard –or an EC-Type Examina-
Connectors for explosion hazardous environments 05
Table 4: Definitions of Zones (acc. to EN 60079-10-1)
Substance Zone Equipment Illustration
Gases Zone 0 1G
Vapors Areas where dangerous concentrations of flammable gases/vapors Zone 2
are continuously or long-term present
Zone 1 2G, 1G Zone 0
Zone 1
Areas where dangerous concentrations of flammable gases/vapors
are occasionally present Zone 0
Zone 2 3G, 2G, 1G
Areas where dangerous concentrations of flammable gases/vapors
are rarely and – in case only - briefly present
Dust Zone 20 1D
Areas where dangerous concentrations of flammable dusts occur
Zone 20
continuously or for a long term
Zone 21 2D, 1D
Zone 21
Areas where dangerous concentrations of flammable dusts
ocasionally occur
Zone 22 3D, 2D, 1D
Areas where dangerous concentrations of flammable dusts rarely
occur and, in case, only briefly Zone 22
Type of protection types of protection such as IEC EN minimal ignition temperature of a
The type of protection describes 60079-6 ff. 5 mm dust layer.
various safety concepts for different
applications to prevent the ignition Temperature classes °C
of a potential explosive atmosphere With regard to ignition protection,
T=600°
according to European IEC EN 60079 the surface temperature-classes of
Hydrogen 560° (T1)
standards. The standards of this the equipment groups I and II are dif- Methane 537° (T1)
series can be applied to equipment ferent (refer to Figure 1: Temperature
individually or in combination. classes [°C] of equipment group II). T1=450°
Ethylene 425° (T2)
The above spreadsheet shows the Temperature limits with dust
allocation of protection types to In the case of potential dust-explosi-
zones. Protection methods are ve areas, the maximum surface tem- T2=300°
Acethylene 305° (T2)
adapted to the normative standards perature is given as a temperature
concerning surface temperature, value [°C]. There is no classification Kerosene 210° (T3)
T3=200°
clearance and creepage distances, into groups. Generally, the permis- Ethyl ether 160° (T4)
to the identification of electrical ope- sible temperatures for each type T4=135°
T5=100°
rating equipment, the assignment of of dust have to be determined by T6=85°
Carbon disulphide (T6)
the electrical operating equipment, experiments. The maximum surface
to the area of application and the de- temperature is different for a dust T = 0°
gree of protection. For all areas with cloud and a dust layer.
requirements going beyond basics, With regard to a dust cloud a safety
the respective protection methods factor has to be considered. The
are defined. surface temperature of the apparatus
The IEC EN 60079-0 describes must not exceed 2/3 of the minimum
Figure 1: Temperature classes [°C]
general requirements for the design ignition temperature of the dust
of equipment group II, accor-
of electrical equipment used in cloud. Deposited dust ignites earlier
ding to European standards and
explosive atmospheres. These than a dust cloud. To provide this, a
ignition temperatures of relevant
requirements are supplemented by safety factor of 75 K has to be taken
substances.
individual standards concerning the in account. This factor refers to the
06 HARTING Han® Ex
Gas explosion groups – European standards
Previously, all chemical gases or be derived for electrical equipment The classification of the subgroups
vapours used by the industry were that is used in the relevant area or depends on the substance’s minimal
classified by assignating them to two atmossphere. ignition energy.
different explosion groups (I, II). Group I comprises gases creating
Meanwhile, the former second ex- potentially explosive atmospheres in
plosion group was split in two, thus mines (firedamp).
generating a third group that con- In Group II, different gases, vapors
tains conductive and non-conductive and mists are considered that may
dusts as well as flammable fibres/ create an explosive atmosphere.
lint. From the explosion group, the Group II is again devided into three
maximum surface temperature can subgroups (EN 60079-0:2009).
Table 5: Gas explosion group I
Explosion subgroup Gases Ignition energy
I Firedamp (methane from coal Maximum permissible
mines) temperature depends on
deposits of carbon dust in
the area
Table 6: Gas explosion group II
Explosion subgroup Gases Ignition energy
IIA Propane, acetylene ≈ 300µWs
IIB Ethylene, ethanol ≈ 150µWs
IIC Hydrogen, carbon disulphide ≤ 50µWs
Table 7: Gas explosion group III
Explosion Gases
subgroup
IIIA Combustible substances (fibres)
IIIB Not conductible flammable dust, specific electric resistance > 10³Ω
IIIC Conductible flammable dust, specific electric resistance ≤ 10³Ω
Connectors for explosion hazardous environments 07
Hazardous area classification – North America
Definition of hazardous area design-in of equipment, and different material is reacting with other mate-
Explosion-hazardous areas are most installation standards. rials in the atmosphere.
frequently found in places where The categorisation of hazardous The North Amercian standards
emissions of flammable gas or dust areas in North America is derived further categorize hazardous areas
occur. In such areas, gases, vapours, from the National Electrical Code’s into groups depending on the pro-
mists and dusts can form explosive (NEC/NFPA) definition of material perties of the combustible gases or
atmospheres in combination with air groups in article 500. There, explosi- vapors involved (refer to table 9).
while an equipment is under normal on relevant materials are divided into
operation or responding to an event the following groups:
of fault, e.g., due to wear and tear of Class I – Locations containing flam-
seals or other components. Hazar- mable gases, flammable liquid-pro-
dous atmospheres containing inflam- duced vapors, or combustible liquid
mable gases or dusts are designated produced vapors
as risks to machinery and operators. Class II – Locations containing com-
bustible dusts
Differences to European standards Class III – Locations containing fibres
Concerning standards, we have and flyings
differences between the European
IEC system and the North American According to the NEC, the differen-
electrical codes (CEC, NEC). Inter tiation into two divisions – refer to
alia, differences derive from the ca- table 8 below – gives the oportunity
tegorisation of hazardous areas, the to determine the probability that a
Table 8: Division of materials according to US National Electric Code (NEC)
Class I Class II Class III
Gases and vapors Flammable dust and powder Flammable fibres or suspended
NEC 500.5 NEC 500.6 particles
NEC 500.7
Division 1 Areas containing dangerous concen- Areas containing dangerous con- Areas containing dangerous con-
trations of flammable gases, vapors centrations of flammable dusts – centrations of flammable fibres or
or mist – continuously or occasional- continuously or occasionally under suspended particles – continuously
ly under normal operating conditions normal operating conditions or occasionally under normal opera-
ting conditions
Division 2 Areas probably not containing dan- Areas probably not containing dan- Areas probably not containing dan-
gerous concentrations of flammable gerous concentrations of flammable gerous concentrations of flammable
gases, vapors or mist – under normal dusts – under normal operating fibres or suspended particles – un-
operating conditions conditions der normal operating conditions
08 HARTING Han® Ex
Hazardous area classification – North America
Table 9: Subgroups of hazardous area classification
Class l Group A Atmospheres containing acetylene
Group B Atmospheres containing hydrogen and flammable process gases with more than 30% of
hydrogen in volume, or gases and vapors posing a level of risk comparable to butadiene
and ethylene oxide
Group C Atmospheres containing ether, ethylene or gases and vapors posing the same level of risk
Group D Atmospheres containing acetone, ammonia, benzene, butane, cyclopropane, ethanol,
gasoline, hexane methanol, methane, natural gas, naphtha, propane or gases and vapors
posing the same level of risk
Class II Group E Atmospheres containing combustible metal dusts, including aluminum, magnesium and
their commercial alloys, or other combustible dusts which – due to particle size, abrasive-
ness and conductivity – present a similar threat to the use of electrical equipment
Group F Atmospheres containing combustible carbonaceous dusts including carbon black, char-
coal, coal, or coke dusts and consisting by more than 8 percent of total entrapped vo-
latiles, or dusts that have been sensitized by other materials, thus causing an explosion
hazard
Group G Atmospheres containing combustible dusts not included in group E or group F, including
fluorine, grain, wood, plastic and other chemicals
Class III Atmospheres containg easily ignitable fibres and flyings, which will normally not be in su-
pensions in the air leding to quantities sufficient to produce explosive or ignitable mixtures
The illustration below (Figures 2) Since 1996, an additional section has inflammable category with regard to
shows the different categorizations of been added to the NEC 500 stan- gases and dusts into three zones
classes and divisions of NEC 500 using dard. The new section NEC 505 is (0, 1 and 2, refer to Figure 3, next
the example of a gas station. based on the IEC model, deviding the page).
Class I, Division 2
Class I,
Division 1 Class I,
Division 1
Class I,
Division 1
Figure 2: Classes and divisions
using the example of a gas station
acc. to NEC 505
Connectors for explosion hazardous environments 09
Hazardous area classification – Europe
The European standard IEC/EN de- rent zones. Figure 3 describes the Figure 4, refer to illustration below,
scribes the probability of inflammab- different gas zones by the example of explains the dust zone classification
le gases and dusts in three diffe- a gas station. on the example of a bulk container.
Zone 2
Zone 20
Zone 0
Zone 1
Zone 21
Zone 0
Zone 22
Zoneneinteilung des explosionsgefährdeten Zoneneinteilung des explosionsgefährdeten
Bereichs bei Gasen, laut IEC/EN 60 079 Bereichs bei brennbaren Stäuben, laut
IEC/EN 60 079
Table 10: Hazardous area zones for mixtures of air with flammable substances (acc. to IEC/EN 60 079)
Zone 0 Areas, where explosive atmospheres consisting of mixtures of air with flammable substances in the
form of gas, vapor or mist are present continuously, for long periods of time or frequently
Zone 1 Areas, where explosive atmospheres consisting of mixtures of air with flammable substances in the
form of gas, vapor or mist under normal operation conditions are likely to occur occasionally
Zone 2 Areas, where explosive atmospheres consisting of mixtures of air with flammable substances in the
form of gas, vapor or mist under normal operation conditions are not likely to occur occasionally
Table 11: Hazardous area zones for combustible dusts (acc. to IEC/EN 60 079)
Zone 20 Areas, where ignitable atmospheres in the form of clouds of combustible dusts in the air are present
continuously, for long periods of time or frequently
Zone 21 Areas, where ignitable atmospheres in the form of clouds of combustible dust in the air under normal
operational conditions are likely to occur occasionally
Zone 22 Areas, where ignitable atmospheres in the form of clouds of combustible dust in air are ot likely to occur
under normal operation conditions. If they occur anyway, they will persist for a short period of time only
10 HARTING Han® ExMaximum surface temperatures for equipment
The European standard IEC/EN Table 12: Equipment classification to zones acc. to IEC/EN 60 079-0
60079-0 offers a classification for
equipment used in explosion hazard
Group I Equipment used in mining where methan and coal dusts occur
areas to three different groups (refer
in the atmosphere
to table 12).
Group II Equipment used in industrial environment where explosive
Categorization of surface gases occur in the atmosphere
temperatures for equipment
Group III Equipment used in industrial environment where explosive
Regarding the surface temperature
dusts occur in the atmosphere
of equipment, the European standard
offers six different classes. The cate-
in relation to a standard environment
gories are defined by the maximum
of 40°C. If an equipment needs a
surface temperature for the equip-
different ambient temperature to be
ment to remain functional. Figure 5
functional, this must be visibly docu-
forms the categories by temperature.
mented on the equipment.
The temperature classes are defined
EU US
T1=450
T2=300
T2A=280
T2B=260
T2C=230
T2D=215
T3=200
T3A=180
T3B=165
T3C=160
T4=135
T5=100
T6=85
0 0
Figure 5: E
uropean classification of maximum Figure 6: Equipment groups and maximum sur-
surface temperatures for equipment in face temperatures acc. to European
explosion hazard zones and North American standards
Connectors for explosion hazardous environments 11Ignition protection types
Depending on equipment and envi- protection methods, defined by the ignition of a potential explosive
ronment the standards offer different relevant IEC/EN standards. atmosphere. The different catego-
protection principles. Table 13 shows Each type of protection implies ries can be applied individually or in
a selection of protection types and various safety concepts for different combination. The basical standard is
principles from an overall of 13 applications to prevent from the IEC/EN 60079-0 ff.
Table 13: Ignition protection types in potentially explosive gas atmospheres
Protection Basic of CENELEC IEC UL Zone, Protection principle
types protection Class
Ex d Flameproof EN 60079 -1 IEC 60079 -1 UL 60079-1 Class 1, Explosion prevention
Zone 2
Ex e Increased EN 60079 -7 IEC 60079-7 UL 60079-7 Class 1, Prevention of sparks
safe Zone 2
Ex m Encapsulation EN 60079-18 IEC 60079-18 UL 60079-18 Class 1, Exclusion of explosion atmosphere
Zones 0
and 1
Ex q Powder filling EN 60079-5 IEC 60079-5 UL 60079-5 Class 1, Prevention of sparks
Zones
Ex tD Protection by EN 60079-31 IEC 60079-31 ISA 61241-1 Class 2, Exclusion of explosion atmosphere
enclosure Zones 21
and 22
IPXX
Ex p Pressurized EN 60079-2 IEC 60079-2 UL 60079-2 Class 1, Exclusion of explosion atmosphere
Zone 1
Ex o Oil immersion EN 60079-6 IEC 60079-6 UL 60079-6 Class 1, Exclusion of explosion atmosphere
Zone 1
Ex i lntrinsic safe EN 60079-11 IEC 60079-11 UL 60079-11 Class 1, Energy limitation
Zones 0
and 1
12 HARTING Han® ExConnecting Ex and Non-Ex areas
Han® Ex connectors are designed to can safely be used in a methane-coal protection method. The intrinsic
meet the intrinsic safety require- atmosphere. In addition, hoods and safety protection technique is based
ments for ignition protection in housings offer protection IP65 (in on the limitation of energy supply,
explosion-hazard areas zoned 1 and mated position). Furthermore, the thus ensuring a safe operation of
2. In intrinsically safe circuits, a limit hood’s/housing’s blue colour indica- electrical equipment in hazardous
is set to energy so that even a spark tes that an intrinsically safe circuit areas. The limitations may relate to
would not ignite an explosive envi- is present. The inserts compatible current, voltage, capacitivity and/
ronment. With the Han® Ex series, with Han® Ex allow for high-density or inductivity. Finally, a Han® Ex con-
HARTING offers a comprehensive contact arrangements, meeting the nector is always part of a compre-
and well-matched connection sys- standards of the category intrinsically hensive supply system for devices in
tems consisting of hoods/housings, safe even in the tightest of spaces. the field, including current transfers
inserts and cable glands. Hoods and Han® Ex connectors are designed between Ex and Non-ex areas, which
housings are made from an alloy that especially for the named explosion is explained by Figure 7.
Additional electrical equipment Field devices
Sensor
PLC
Actor
Non-Ex area Ex area
Figure 7: H
an® Ex is a comprehensive connector system allowing for the safe
transmission of power, signal and data between Non-Ex and Ex areas.
Connectors for explosion hazardous environments 13Han® Ex Sets – Hoods/Housings Size 3A
Connector sets for explosion-hazardous environments
Features Technical characteristics
• Connector sets especially for explosion-hazar- Specifications DIN EN 60 079-0
dous applications DIN EN 60 079-11
• Suitable for zone 1 and zone 2
Hoods/housings
• Hoods, housings and inserts in one set Material Zinc die cast
• Inserts with compact design and a high number Colour RAL 5015 (blue)
of connections Surface Powder coated
• Available with innovative Han-Quick Lock® Locking element Stainless steel
termination technology Lever type Netal lever
Seal NBR
Industrial connectors of the Han® Ex series Limiting temperatures -20 °C ... +40 °C
NOTICE are designed exclusively for the use in Protection degree
intrinsically safe electrical circuits of categories "ia", "ib" acc. to DIN EN 60 529
and "ic"! in locked position IP65 / IP67
▶▶ The explosion group is defined by the corresponding intrin- is achieved with seal screw
sically safe equipment. and cable gland
▶▶ Temperature class according to DIN EN 60 079-11
Inserts
Number of contacts 4, 7, 8, 12
Pollution degree 3
Insulation resistance ≥ 1010 Ω
Material Polycarbonat
Limiting temperatures -20 °C ... +40 °C
Mechan. working life
- mating cycles ≥ 500
Contacts
Material Copper alloy
Surface
- hard-silver plated 3 µm Ag
Contact resistance ≤ 1 mΩ
Crimp termination 0.14 ... 2.5 mm²
AWG 26 ... 14
Han-Quick Lock ® termination 0.5 ... 2.5 mm²
AWG 20 ... 14
Max. insulation diameter 3.6 mm
14Han® Ex Sets
Identification Part number Size Drawing Dimensions in mm
Han® Ex 4A
Quick Lock Set 10 36 004 0003 3A
M
F
Contact arrangement
view: termination side
Panel cut out: 22 x 22 mm
Han® Ex 8D
Quick Lock Set 10 36 008 0007 3A
M
F
Panel cut out: 22 x 22 mm
Assembly manual Removal manual
Remove cable jacket and strip Do not twist the Insert the screw driver1) at an angle of 45° into the ope-
the fine stranded wires. fine stranded wires! ning and lever the blue slide out.
Push the fine stranded wires into the Han-Quick Lock® contact
and push the blue slide with a screw driver1) until it comes
to a stop.
1)
Screw driver: 0.4 x 2.5 mm
HARTING Han® Ex 15Hoods/Housings Size 3A
Identification Part number Size Drawing Dimensions in mm
Han® Ex Q7 Set
Order crimp contacts M
separately! 10 36 007 0001 3A
F
Contact arrangement
Panel cut out: 22 x 22 mm
view: termination side
Han® Ex 8D Set
Order crimp contacts
separately!
M
10 36 008 0006 3A
F
Panel cut out: 22 x 22 mm
Han® Ex Q12 Set
Order crimp contacts
separately! 10 36 012 0001 3A M
F
Panel cut out: 22 x 22 mm
Wire gauge Part number
Identification mm² Male contact Female contact Drawing Dimensions in mm
Crimp contact
silver plated 0.14-0.37 09 15 000 6104 09 15 000 6204
0.5 09 15 000 6103 09 15 000 6203
0.75 09 15 000 6105 09 15 000 6205
1.0 09 15 000 6102 09 15 000 6202
1.5 09 15 000 6101 09 15 000 6201
2.5 09 15 000 6106 09 15 000 6206
Wire gauge Ø Stripping length
mm
0.14-0.37 mm² AWG 26-22 0.9 8 mm
0.5 mm² AWG 20 1.1 8 mm
0.75 mm² AWG 18 1.3 8 mm
1.0 mm² AWG 18 1.45 8 mm
1.5 mm² AWG 16 1.75 8 mm
2.5 mm² AWG 14 2.25 6 mm
16 Connectors for explosion hazardous environmentsHan® Ex Sets
Connectors for explosion hazardous environments – standard sizes
Features Technical characteristics
• Hoods and housings in the sizes 6 B, 10 B, 16 B, Specifications DIN EN 60 079-0, -11, -14
24 B and 48 B DIN EN 60 664-1
DIN EN 61 984
• Connectors especially for explosion hazardous
applications Hoods/ housings
• Suitable for intrinsically safe circuits Material zinc die cast
• Inserts on basis of Han® E with 6 to 24 contacts Colour RAL 5015 (blue)
Surface powder coated
• Suitable for areas classed 1 und 2
Locking element stainless steel
Lever type metal lever
Seal NBR
Ambient temperature
acc. to DIN EN 60 079-11 -20 °C ... +40 °C
Industrial connectors of the Han® Ex
WARNING! series are designed exclusively for Limit temperature for
the use in intrinsically safe electrical circuits of categories connectors -40 °C ... +125 °C
„ia“, „ib“ and „ic“! Maximum
▶▶ The explosion group is defined by the corresponding surface temperature
intrinsically safe equipment. acc. to DIN EN 60 079-11 T6 = 85 °C
▶▶ Temperature class according to DIN EN 60 079-11 Protection degree
acc. to DIN EN 60 529
in locked position IP65
is achieved with cable gland
General description Inserts
Number of contacts 6, 10, 16, 24
The connectors are designed to meet the intrinsic
Rated current 16 A
safety requirements for ignition protection class in
Rated voltage 90 V
explosion hazardous areas classed as 1 and 2. In
Insulation resistance ≥ 1010 Ω
intrinsically safe circuits, energy is limited in such a
Material polycarbonate
manner that even a potential spark cannot ignite an
Limiting temperatures
explosive environment. acc. to DIN EN 60 079-11 -20 °C ... +40 °C
The Han® Ex product portfolio offers complete Mechan. working life
connector systems consisting of housings and - mating cycles ≥ 500
inserts, including housings made from an alloy that
can be used in pulverised methane-coal dust Contacts
atmospheres. They also offer ignition protection Material copper alloy
class 65 in the mated condition. The housing’s blue Surface
- hard-silver plated 3 µm Ag
colour indicates that an intrinsically safe circuit is
Contact resistance ≤ 1 mΩ
present. The contact inserts provide a high number
Crimp termination 0.14 ... 2.5 mm²
of pins and meet the standards of the ignition AWG 26 ... 14
protection class even in the tightest of spaces. Screw connection 0.75 ... 2.5 mm²
Tightening torque 0.5 Nm
Max. insulation diameter 3.6 mm
HARTING Han® Ex 17Hoods and Housings – Sizes 6 B, 10 B, 16 B, 24 B, 48 B
Cable
Identification Part number entry Drawing Dimensions in mm
Hood 6 B
top entry 19 36 006 1440 M20
19 36 006 1441 M25
Hood 6 B
side entry 19 36 006 1540 M20
19 36 006 1541 M25
Hood 10 B
top entry 19 36 010 1420 M20
19 36 010 1421 M25
Hood 10 B
side entry 19 36 010 1520 M20
19 36 010 1521 M25
18 Connectors for explosion hazardous environmentsHan® Ex Sets
Cable
Identification Part number entry Drawing Dimensions in mm
Hood 16 B
top entry 19 36 016 1421 M25
19 36 016 1422 M32
Hood 16 B
side entry 19 36 016 1521 M25
19 36 016 1522 M32
Hood 24 B
top entry 19 36 024 1421 M25
19 36 024 1422 M32
Hood 24 B
side entry 19 36 024 1521 M25
19 36 024 1522 M32
HARTING Han® Ex 19Hoods and Housings – Sizes 6 B, 10 B, 16 B, 24 B, 48 B
Identification Part number Drawing Dimensions in mm
Housing, bulkhead mounted 6 B
09 36 006 1301
Panel cut out
Housing, bulkhead mounted 10 B
09 36 010 1301
Panel cut out
Housing, bulkhead mounted 16 B
09 36 016 1301
Panel cut out
Housing, bulkhead mounted 24 B
09 36 024 1301
Panel cut out
20 Connectors for explosion hazardous environmentsHan® Ex Sets
Cable
Identification Part number entry Drawing Dimensions in mm
Hood 48 B
top entry 19 36 048 0447 M32
19 36 048 0448 M40
Hood 48 B
side entry 19 36 048 0547 M32
19 36 048 0548 M40
Hood 48 B
with cover 09 36 048 0301
Panel cut out
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Distributors – worldwide / General contact
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