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C-TEC - NC943B
Single zone call controller c/w PSU, accept button, relay and on-board rechargeable battery
List Price
£166.83
$0.00
€0.00
incl. VAT
Product Description
The NC943B is a single zone call controller that has a 12V 140mA PSU and standby battery. It is compatible with the C-TEC entire range of 800 Series Call System components.
It is capable of indicating standard with a constant tone and emergency an intermittent tone calls. And includes a volume adjustable sounder and a link-selectable Call Accept/Reset button.
It feature a power On and Alarm ‘CALLING’ LEDs. As well as volt-free relay output for the optional connection of externally powered beacons, etc (relay activates on active call signal). And a standby battery provides up to 24 hours standby and 15 minutes alarm running time.
Specification Sheet
- Click to download: NC943B_C-TEC Single Zone Call Controller cw 12V 140mA PSU_spec.pdf
| Description | NC943B |
|---|---|
| Mains supply | 230V 50/60Hz (23mA max. current). 50Hz frequency |
| Internal power supply | 12V d.c |
| Total output current limited to | 140mA |
| Quiescent current | 0mA (none) |
| Max battery size and type | Includes an onboard 500mA battery back up facility providing 24 hours standby and 15 minutes alarm running time |
| Alarm current | Determined by the number/type of field devices connected to the call controller/system |
| Auxiliary relays | Includes one set of volt free relay contacts (NO/C/NC). Relay activates when a call is received by the controller. Rated at 30V d.c. @ 1A. |
| Open collector outputs | None |
| Indicators | Red Alarm LED; Green Supply Present LED (flashes green when standby battery is active) |
| Controls | Adjustable volume control; Disable standby battery; Link-selectable Call Accept/Reset button. When Accept is selected indicators on relevant field devices will activate intermittently to reassure users help is on the way. |
| 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 NC943B) |
| Expansion connections | None |
| Call acknowledgement functionality | Yes |
| Dimensions | 147 W x 87 H x 34 D mm. Mounts on a standard 25mm UK double gang back box |
| Construction & finish | Plastic |
| IP Rating | IP30 |
| Operating temperature | -5ºC to +40ºC. Max. relative humidity 95% non-condensing |
| Weight (Gross) | 0.29kg |
