C-TEC, NC943B, 12V Single Zone Call Controller with 140mA PSU
- Brand:C Tec
- Product Code:NC943B
- Availability:Please Call or Email Us to Check Availability
C-TEC, NC943B, 12V Single Zone Call Controller with 140mA PSU
Key Features:
- A single zone call controller c/w a 12V 140mA PSU and standby battery.
- Compatible with C-TEC's entire range of 800 Series Call System components.
- Capable of indicating standard (constant tone) and emergency (intermittent tone) calls.
- Includes a volume adjustable sounder and a link-selectable Call Accept/Reset button.
- Power On and Alarm ‘CALLING’ LEDs.
- Volt-free relay output for the optional connection of externally powered beacons, etc (relay activates on active call signal).
- Standby battery provides up to 24 hours standby and 15 minutes alarm running time.
- Mounts on a standard UK 25mm double gang flush or surface back box.
- Also available as part of the NC951 Accessible Toilet Alarm Kit.
Technical Specifications:
| 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. |
| Product dimensions (mm) | 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 conditions/temperature | -5ºC to +40ºC. Max. relative humidity 95% non-condensing. |