New Johnson Controls M300RJ Addressable Relay Control Module
$139.90
Johnson Controls M300RJ Addressable Relay Module provides the system with a dry-contact output for activating a variety of auxiliary devices, such as fans, dampers, control equipment, etc. Addressability allows thedry contact to be activated, either manually or through panel programming, on a select basis.. Johnson Controls. Johnson Controls. M300RJ.
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