10-20 Zone Expansion Unit for NC910S or NC920S

Order code: NC910ES, NC920ES Category: Indicator Panels & Call Controllers

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 current	0mA (none).
Alarm current	Determined by the number/type of field devices connected to the call controller/system.
Indicators	Green 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
Controls	None. 2 Buttons – (A) Reset or inactive ; (B) 'Mute' or 'Call Accept' available via NC910S or NC920S master controller.
Call acknowledgement functionality	Yes.
Product dimensions (mm)	214 W x 178 H x 70 D mm. Surface mounting.
Construction & finish	Plastic detachable lid and back box. RAL7035.
IP Rating	IP41.
Weight	1.27kg.
Operating conditions/temperature	-5ºC to +40ºC. Max. relative humidity 95% non-condensing.