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Notifier CRE-4 Control Relay Expander Module (REFURBISHED)
The CRE-4 Control Relay Expander Module expands CR-4 to provide a total of eight (8) Form-C relay contacts (maximum of one per CR-4).
May also be connected to add four relays to ICM-4, TCM-2, TCM-4, or VCM-4
May also be connected to add four relays to ICM-4, TCM-2, TCM-4, or VCM-4