Intrinsically-Safe Connectors for Hydrogen Applications (Han-Ex®)

by HARTING Technology Group

  • Suitable for intrinsically safe circuits
  • Intrinsically-safe connectors set especially for explosion-hazardous applications
  • Limiting temperatures: -20 °C to +40 °C
  • Protection degree: IP65 / IP67
  • Available with innovative Han-Quick Lock® termination technology
  • Customization possible for each customer requirement
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Intrinsically-safe connectors for hydrogen applications (Han-Ex®)

  • Han-Ex® connectors are designed to meet the intrinsic safety requirements for ignition protection in explosion-hazard areas zoned 1 and 2.
  • In intrinsically safe circuits, a limit is set to energy so that even a spark would not ignite an explosive environment.
  • With the Han-Ex® series, HARTING offers a comprehensive and well-matched connection systems consisting of hoods/housings, inserts and cable glands.
  • Han-Ex® connectors are designed especially for the named explosion protection method.
  • The intrinsic safety protection technique is based on the limitation of energy supply, thus ensuring a safe operation of electrical equipment in hazardous areas.
  • The limitations may relate to current, voltage, capacitivity and/ or inductivity.
  • Finally, a Han-Ex® connector is always part of a comprehensive supply system for devices in the field, including current transfers between Ex and Non-ex areas.

Connectors guide with all variants

  • Introduction
    • The Han-Ex® connectors are available in large number of variants. For details see Han-Ex® product portfolio guide – click here.
    • Hoods and housings are made from an alloy that can safely be used in a methane-coal atmosphere.
    • In addition, hoods and housings offer protection IP65 (in mated position).
    • Furthermore, the hood’s/housing’s blue colour indicates that an intrinsically safe circuit is present.
    • The inserts compatible with Han-Ex® allow for high-density contact arrangements, meeting the standards of the category intrinsically safe even in the tightest of spaces.
    • Finally, a Han-Ex® connector is always part of a comprehensive supply system for devices in the field, including current transfers between Ex and Non-ex areas.
  • Features
    • Suitable for intrinsically safe circuits
    • Connector sets especially for explosion-hazardous applications
    • Suitable for zone 1 and zone 2
    • Hoods, housings and inserts in one set
    • Inserts with compact design and a high number of connections
    • Available with innovative Han-Quick Lock® termination technology
  • Materials
    • Hoods/Housings: zinc die cast
    • Inserts: polycarbonate
    • Contacts: copper alloy
  • Specifications
    • Approvals: IEC 60 079-0, IEC 60 079-11, IEC 61984
    • Declaration of conformity: II 2G Ex ib IIC T6 Gb
    • Protection degree: IP65 / IP67
    • Working life: ≥500 mating cycles
    • Limiting temperatures: -20°C to +40°C

Application areas

  • Signal transmission of hydrogen mobile refueling station
  • Signal transmission of hydrogen fuel cell system

Contact us

  • HARTING Technology Group is a global leader in supplying connectivity solutions for industrial technology. Interested? Please contact the vendor by filling in the contact vendor form or the request for quote form.
Max Ambient Temperature (in °C)

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Manufacturing Readiness (MRL)

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Technical Datasheet

Intrinsically-Safe Connectors for Hydrogen Applications (Han-Ex®)_technical datasheet

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      HARTING Technology Group

      High-performance connection technology forms the basis of industrial application and product technology. The HARTING range of products and solutions comprises connectors, device connection technology and network components. HARTING products connect machines and facilities via data, signal and power. These offerings enable solutions for the following markets: automation, energy, railway, machinery, robotics, mobility and smart infrastructure. HARTING employs around 6,200 people across its 44 sales companies and 14 production locations.

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