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Harmony XB4 explosive atmospheres

Ø 22 mm metal pushbuttons & pilot lights for explosive atmospheres

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
  • Features

    Certified products, conforming to the European Directive ATEX94/9/CE

    Control and signalling units
    » Pushbuttons and mushroom heads Ø 22 mm
    » Selector switches and key switches
    » Illuminated pushbuttons and pilot lights with LED
    » Control stations.


    • 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