C-Tec NC910ES 10 Zone Expansion Unit for NC910S or NC920S
C-Tec NC910ES 10 Zone Expansion Unit for NC910S or NC920SThe NC910ES expands the number of zones on an NC910S or NC920S Call Controller by 10 or 20 zones dependent on model purchased. It is housed in an attractive surface mounting plastic enclosure measuring just 214mm x178mm.Key FeaturesNC910ES provides 10 extra zones NC920ES provides 20 extra zonesInnovative slide-in labelling systemIncludes 10 or 20 Zonal Alarm LEDs capable of indicating Standard and Emergency CallsNote this expansion controller does not include on onboard buzzer as audible call indication will come from the master controller it is connected to