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Stainless Steel Single Zone Call Controller c/w 12V PSU

£164.00 excl VAT

  • A high-quality brushed stainless steel single zone call controller c/w a 12V 250mA PSU.
  • 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 40mm double gang flush or surface back box.
  • Optional NC941B 0.3A battery battery backup kit also available.


Mains supply230V 50/60Hz (36mA max. current). 50Hz frequency.
Internal power supply13-13.8V d.c.
Total output current limited to250mA.
Quiescent current0mA (none).
Max battery size and typeOptional NC941B 12V 0.3Ahr battery back up kit available.
Alarm currentDetermined by the number/type of field devices connected to the call controller/system.
Auxiliary relaysNone.
Open collector outputs1 x Output terminal (goes +12V steady when the controller’s buzzer sounds). 20mA max.
IndicatorsRed Alarm LED; Green Supply Present LED.
ControlsRESET 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/SS).
Expansion connectionsBatt + and Batt – (for connection to an optional remote NC941B battery back up kit).
Call acknowledgement functionalityNo. If this feature is required consider using our NC943B plastic call controller instead.
Product dimensions (mm)156 W x 94 H x 37 D. Mounts on a standard 40mm UK double gang back box – see notes below.
Construction & finishBrushed stainless steel.
IP RatingIP41.
Operating conditions/temperature-5ºC to +40ºC. Max. relative humidity 95% non-condensing.
NotesFor flush mounting, we suggest a 47mm double gang steel back box such as Appleby’s SB628 or MK’s 878 ZIC. For surface , we suggest the MK K2212 ALM or 2212 ALM Aluminium coloured. If a plastic dry lining box is required, use the Marshall-Tufflex MDLB30


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