Single Zone Call Controller With Relay & Optional Onboard Battery Backup
C-Tec
Single Zone Call Controller With Relays & Optional Onboard Battery Backup
- 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.
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 :
- No Battery Backup (NC942) : None
- Onboard Battery Backup (NC943B) : 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
- Weight : 294g
- Operating Conditions/Temperature : -5ºC to +40ºC. Max. relative humidity 95% non-condensing
Downloads
- Datasheet (Adobe PDF)