Silent Knight SK-4
Silent Knight SK-4
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The Silent Knight SK-4 is a four-zone conventional fire alarm control panel (FACP) that brings microprocessor-based control to conventional fire protection for small- to medium-sized commercial, industrial, and institutional buildings. It supports standard conventional input devices and offers flexible notification appliance circuit configuration.
Key Features
- Four Class B initiating device circuits and two Class B notification appliance circuits (NAC)
- Selective silence feature allows horns to be silenced manually while strobes continue to flash on the same NAC
- Selectable NAC protocol for System Sensor, Wheelock, and Gentex notification devices
- Compatible with two- and four-wire smoke detectors, pull stations, waterflow devices, tamper switches, and other normally-open contact devices
Technical Specifications
- 24 VDC FACP, four conventional zones
- Input power: 120 VAC @ 50/60 Hz, 2.3 A (SK-4E variant: 240 VAC)
- Four Class B initiating device circuits, two Class B NAC circuits

