Secutron MRI-M500X Isolator Module

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The Secutron MRI-M500X is an isolator module that's designed to work with fire alarms and fire protection equipment. It's an automatic switch that opens when the line voltage drops below four volts. The MRI-M500X isolator module is used to prevent wiring faults from affecting the entire circuit. It divides the addressable circuit into sections. Show more