Notifier CRM-4RK Control Relay Module (REFURBISHED)
Notifier CRM-4RK Control Relay Module provides the NOTIFIER System NFS-640 with four Form-C (SPDT) relay contacts which may be used to control auxiliary devices
Notifier CRM-4RK Control Relay Module provides the NOTIFIER System NFS-640 with four Form-C (SPDT) relay contacts which may be used to control auxiliary devices