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Single Zone Call Controller With Stainless Steel Enclosure

This product is currently out of stock and unavailable.

SKU: NC941/SS Category: Brand:


  • A single zone call controller c/w a 12V 250mA PSU and link-selectable Mute/Reset button.
  • Fully compatible with C-TEC’s entire range of 800 Series Call System components.
  • Capable of indicating standard (constant tone) and emergency (intermittent tone) calls.
  • Power On and Alarm ‘CALLING’ LEDs.
  • Open collector output goes to 12V when the controller’s onboard buzzer sounds.
  • Mounts on a standard UK 25mm double gang flush or surface back box.
  • Optional NC941B 0.3A battery battery backup kit also available.


  • Mains Supply : 230V 50/60Hz (36mA max. current). 50Hz frequency
  • Internal Power Supply : 12V d.c
  • Total Output Current Limited To : 250mA
  • Quiescent Current : 0mA (none)
  • Max Battery Size And Type : Optional NC941B 12V 0.3Ahr battery back up kit available.
  • Alarm Current : Determined by the number/type of field devices connected to the call controller/system
  • Auxiliary Relays : None
  • Open Collector Outputs :1 x Output terminal (goes +12V steady when the controller’s buzzer sounds). 20mA max
  • Indicators : Red Alarm LED; Green Supply Present LED
  • Controls : RESET button (can be disabled if required)
  • Connections : -Ve (common -Ve terminal for all devices); +Ve (+12V nominal supply for powering emergency call points, overdoor lights, etc.); Signal (the trigger line which activates the NC941)
  • Expansion Connections :Batt + and Batt – (for connection to an optional remote NC941B battery back up kit)
  • Call Acknowledgement Functionality : No
  • Product dimensions (mm) : 147 W x 87 H x 34 D mm. Mounts on a standard 25mm UK double gang back box
  • Construction & Finish : Plastic
  • IP Rating :IP41
  • Weight : 0.460kg
  • Operating Conditions/Temperature : -5ºC to +40ºC. Max. relative humidity 95% non-condensing


Additional information

Weight 0.46 kg