Notifier ICM-4RK Indicating Circuit Module (REFURBISHED)
The Notifier ICM-4RK Notification Appliance Circuit Module provides four Style Y (Class B) or Style Z (Class A) supervised audio/visual alarm Notification Appliance Circuits, expandable to eight with the ICE-4. The CRE-4 can be used (one expander option per ICM-4RK) to provide the ICM-4RK with four additional SPDT control relays.