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Allen-Bradley Hardware Product

Guardmaster Explosion-Proof Switches

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Our Guardmaster Explosion-Proof Switches have sealed flameproof contact blocks, making them suitable for use in European Zone 1 and Zone 2 hazardous environments. They retain the safety features and operating principles of the conventional Guardmaster® switches. All the Guardmaster Ex switches conform to the exacting standards required by the European harmonized standards.

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Popular Resources/Quicklinks

Bulletin 1494G Safety Switches for Hazardous Locations Guardmaster Explosion Proof Switches Installation Instructions Tongue Operated Guard Interlock Switches Installation Instructions
440 Explosion-Proof
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Overview

  • For use in potentially explosive atmospheres
  • Positive mode action, flameproof contact block
  • Suitable for use in European Zone 1 and 2 environments
  • Conforms to EN 60079 and IEC 60079

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Specifications

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Guardmaster Explosion Proof Switches Installation Instructions
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Tongue Operated Guard Interlock Switches Installation Instructions

Certifications

ATEX CertificationATEX Certification
  • II2G EExd IIC T6 or T5 II2D T80°C IP66 under ATEX
  • Flameproof, for use in surface industries, suitable for group IIC gases

Certifications apply when product is marked. See our Product Certification site for Declarations of Conformity, certificates and other certification details. 

Looking for Additional Information?

To find additional product information including CAD drawing files, 3D models and more use our Product Catalog.

Product Catalog

Documentation

Resource Publication Number Language
Bulletin 1494G Safety Switches for Hazardous Locations 1494G-PP004
Guardmaster Explosion Proof Switches Installation Instructions 440T-IN003
Tongue Operated Guard Interlock Switches Installation Instructions TRO5GD-IN001
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