610-321-9601 [email protected]
Silent Knight SK-4

The SK-4 and SK-4E (SK-2/E) are four zone conventional fire alarm control panels (FACPs) that bring the latest in microprocessor technology to conventional fire controls. The SK-4 is a 120 VAC FACP and the SK-4E is a 240 VAC FACP. These FACPs provide reliable fire signaling protection for small- to medium-sized commercial, industrial, and institutional buildings.

  • Four Class B initiating device circuits
  • Two Class B notification appliance circuit
  • Synchronization for System Sensor®, Gentex® and Wheelock® devices 
  • Silent or audible walk test operation
  • Disable switches provided per zone
  • Form C alarm, trouble and supervisory relays
  • 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

121 Independence Ln.

Chalfont, PA 18914


Contact us


[email protected]



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