Silent Knight SK-4 Four Zone Conventional Fire Alarm Control Panel

• Four Style B (Class B) initiating device circuits (IDCs)
• Two Style Y (Class B) notification appliance circuit (NAC)
• Optional module converts all IDCs and NACs to Class A (PN SK-CAC4)
• 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
• Program for combination tamper supervisory monitor and waterflow alarm on one zone
• 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, trouble, and supervisory relays
• 3A total usable current
• 6A total usable current with optional second transformer (PN SK-TRM24 or SK-TRM24E)
• Optional dress panel (PN SK-DP2/4)

• Primary AC: 120 VAC @ 50/60 Hz, 2.3A
• Wiring: 14 AWG (2.0 mm2) with 600 V insulation min
• Operating Voltage: 24 VDC nominal
• Current: 500 mA max, power-limited; total current for nonresettable power, resettable power and two NACs must not exceed 6.0A (requires additional transformer)
• Battery Type: Sealed lead acid only
• Charging Circuit: 27.6 VDC @ 0.8A max normal flat charge
• Charging Capacity: 18 AH
• Size: 7 AH max allowed in FACP
• 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