A single zone call controller c/w a 12V 250mA PSU and link-selectable Mute/Reset button.Fully compatible with C-TEC's entire range of 800 Series Call System components.Capable of indicating standard (constant tone) and emergency (intermittent tone) calls.Power On and Alarm ‘CALLING’ LEDs.Open collector output goes to 12V when the controller's onboard buzzer sounds.Mounts on a standard UK 25mm double gang flush or surface back box.Optional NC941B 0.3A battery battery backup kit also available.
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