System Sensor M500R Relay Control ModuleSystem Sensor M500R Relay Control Module is intended for use in intelligent, two wire systems, where the individual address of each module is selected using the built in rotary decade switches. It allows a compatible control panel to switch discrete contacts by code command. This module can be used to replace an M500C module that has been configured for Form C operation. Mounts directly to 4 inch square electrical with a minimum depth of 2 1 8 inches.
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