Silent Knight SK-5217 Ten Zone Expander







The SK-5217 provides the SK-5208 with ten additional Class B (style B) zones. The SK-5217 can be installed in the SK-5208 control cabinet or remotely (up to 1500 ft.) in a SK-2190 accessory cabinet. The SK-5217 communicates to the SK-5208 control panel via a 4-wire connection to the SBUS.


  • Adds 10 zone inputs to the SK-5208 FACP
  • Can be remotely mounted from control (up to 1500 ft.)
  • Easy to install using a 4-wire SBUS connection
  • Supervised
  • UL Listed


  • Operating Voltage: 24 VDC Nominal
  • Current Draw: Max. Total: 1 Amp
  • Standby per Zone: 3.0 mA
  • Alarm per Zone: 95 mA
  • Max. Initiation Circuit Resistance: 50 ohm
  • Max. Wiring Distance From FACP: 1500 ft.
  • Operating Temp: 32° to 120° F
  • Humidity: 10 to 85% RH


  • Model: Silent Knight SK5217
  • 10 Units in Stock
  • Manufactured by: Silent Knight

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