Fortress: Key Exchange | Trapped Key Interlocks

Trapped key interlocking is a tried and tested method of mechanically safeguarding dangerous machines and hazardous processes. Mechanical keys eliminate most of the electrical wiring associated with other types of interlocks making it cost effective to install and maintain.

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    Attribute Value

    Safety rating:

    SIL 3 Category 4 PL e

    Housing material:

    Die-cast zinc for XM models, stainless steel for XMS

    ISO 14119

    ISO 19837:2018

    m-Gard Overview Brochure 2019 XM Installation Instructions XM Datasheet XMR Datasheet