NC920EF - 20 Zone Expansion Unit for NC910F or NC920F
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List Price £349.18 incl. VAT

20 Zone Expansion Unit for NC910F or NC920F

IP41 Rating
List Price
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Product Description

The NC920EF expands the number of zones on an NC920F Call Controller by 20 zones. Housed in the attractive surface mounting plastic enclosure, it measures at just 214mm x 178mm.

It includes 20 Zonal Alarm LEDs capable of indicating Standard and Emergency Calls. However please note this expansion controller does not include an onboard buzzer as audible call indication will come from the master controller it is connected to.

The NC920EF also has an innovative slide-in labelling system.
Description NC920EF
Quiescent current 0mA (none)
Alarm current dDetermined by the number/type of field devices connected to the call controller/system
Indicators Green Power on LED; 20 (NC920EF) 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.
Controls None. 2 Buttons - (A) Reset or inactive ; (B) 'Mute' or 'Call Accept' available via NC910S or NC920S master controller
Call acknowledgement functionality Yes
Dimensions 214 W x 178 H x 70 D mm (overall). Hole required for flush mounting is 176 W x 162 H x 55 D mm
Construction & finish Plastic detachable lid and back box. RAL7035
IP Rating IP41
Operating System -5ºC to +40ºC. Max. relative humidity 95% non-condensing
Weight (Gross) 1.47kg
  • UVDB Registered
  • PLASA Member
  • Member of BESA
  • BSI 9001
  • ISCE supporting member