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and an optional self-test function to validate system health
Its compact and efficient design allows easy mounting on standard electrical boxes
25”H x 2”D • Rugged construction & one-piece piano hinge for strength • Key holes for quick and easy mounting • Durable powder coated finish • Holes are in place for bolting the door shut
and secure housing solution for fire alarm system components
The black color blends well with most door frames
Johnson Controls M300RJ Addressable Relay Control Module Handr and an optional self-test functionThe Johnson Controls M300RJ Addressable Relay Control Module is a reliable and efficient device designed to provide relay control functionality within an addressable fire alarm system. It enables seamless integration of electrical loads, such as fans, dampers, or door closers, with the fire alarm system, allowing for automated activation during emergencies. With its compact design, the M300RJ offers easy installation and versatile application in
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