All prices are subject to change due to supply chain fluctuation. We endeavour to keep the website updated where possible.

10-20 Zone Expansion Unit for NC910S or NC920S

£218.00 excl VAT

  • Expands the number of zones on an NC910S or NC920S Call Controller by 10 or 20 zones (dependent on model purchased).
  • Housed in an attractive surface mounting plastic enclosure measuring just 214mm x 178mm.
  • Includes 10 or 20 Zonal Alarm LEDs capable of indicating Standard and Emergency Calls. Note this expansion controller does not include on onboard buzzer as audible call indication will come from the master controller it is connected to.
  • NC910ES provides 10 extra zones, NC920ES provides 20 extra zones.
  • Innovative slide-in labelling system.


Quiescent current0mA (none).
Alarm currentDetermined by the number/type of field devices connected to the call controller/system.
IndicatorsGreen Power on LED; 10 (NC910ES) or 20 (NC920ES) red Zonal Alarm LEDs (lit steady for a Standard call, pulse for an Emergency call); Audible call indication will come from the separate master call controller.
ControlsNone. 2 Buttons – (A) Reset or inactive ; (B) ‘Mute’ or ‘Call Accept’ available via NC910S or NC920S master controller
Call acknowledgement functionalityYes.
Product dimensions (mm)214 W x 178 H x 70 D mm. Surface mounting.
Construction & finishPlastic detachable lid and back box. RAL7035.
IP RatingIP41.
Operating conditions/temperature-5ºC to +40ºC. Max. relative humidity 95% non-condensing.


There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.