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Harmony XB4 explosive atmospheres

Ø 22 mm modular metal pushbuttons, switches and pilot lights for explosive atmospheres

Part of Harmony

The Harmony XB4 explosive atmospheres range of modular control and signaling units are designed for industries where a potential explosive atmosphere may occur

Harmony XB4 explosive atmospheres
  • Features

    Exist in 2 versions conforming to the global standards:

    • ATEX Dust :
      • European Directive 2014/34/UE, Zone 21 / 22
    • Explosive atmospheres: Dust and Gas
      • IECex Zone 1 / 2 / 21 / 22
      • UL 60079 Zone 1/ 2 / 21 / 22
      • NEC 500 Class 1 Div 2, Class 2 Div 2 & Class 3
      • European Directive 2014/34/UE, Zone 21 / 22



    • High performance and adaptability: ATEX Dust range is reusing XB4 standard range contacts for high reliability and robustness
    • The most comprehensive Explosive Atmospheres range on the market covering most applications
    • Simplicity and speed of installation



    • Oil &Gas, including petrochemicals extraction & transformation, car gas stations and gas bottling stations
    • Chemicals
    • Food & Beverage, including alcohol processing and cereal silos
    • Printing
    • Paint manufacturing lines

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