• 2 Input Monitor Module

The SILENT-KNIGHT-SK-2 is a two zone, 120 VAC conventional fire alarm control panel that offers reliable fire signaling protection for small- to medium-sized commercial, industrial, and institutional buildings.

The SK-2 is also compatible with conventional input devices such as two- and four-wire smoke detectors, pull stations, waterflow devices, tamper switches and other normally-open contact devices.


  • Two Style B (Class B) initiating device circuits (IDCs)
  • One Style Y (Class B) notification appliance circuit (NAC)
  • Support for synchronization of standard ANSI audible signals and ADA compliant strobes per NFPA 72
  • Selectable for System Sensor, Wheelock, and Gentex protocols
  • Selective silence feature allows manual silence of horns while strobes continue to flash on the same NAC
  • Silent or audible walk test operation mode
  • Alarm verification selectable per zone
  • Program each zone for supervisory or fire with separate red and yellow LEDs
  • Disable switches provided per zone
  • Form C alarm and trouble relays
  • 3A total usable current
  • Optional dress panel (PN SK-DP2/4)

Technical Specifications:

  • Primary AC: 120 VAC @ 50/60 Hz, 2.3A
  • Wiring: 14 AWG (2.0 mm2) with 600 V insulation min 
  • Resettable Operating Voltage: 24 VDC nominal
  • Current: 500 mA max, power-limited
  • Cabinet Backbox Dimensions: 14.5" W x 15" H x 3" D (36.83 W x 38.10 H x 7.62 D cm)
  • Cabinet Door: 14.677" W x 15.342" H x 0.375" D (37.28 W x 38.97 H x 0.95 D cm)
  • Cabinet Color: Red

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2 Input Monitor Module


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