Silent Knight SK-4 (4-Zone FACP) Replacement Board

This is the Replacement Board for the Silent Knight SK-4 4-Zone Conventional Fire Alarm Control Panel. Provides four Class B initiating device circuits and two Class B notification appliance circuits (NAC). Power: 120 VAC @ 50/60Hz, 2.3A Selectable for System Sensor, Wheelock, and Gentex synchronization protocols. COMPATIBLE OPTIONAL ACCESSORIES: — SK-DP4 Dress Panel — SK-CAC4 Class A Converter Module — SK-4XTM Transmitter Module — SK-4XLM LED Interface Module — SK-XRM24 110V Transformer 3-6A — SK-RZA4 Remote LED Annunciator — SK-4XZM Zone Relay Module — RBB Remote Battery Box — 5104 Six Zone Fire Communicator — 5129 Four Channel Fire Communicator