C-TEC Emergency Voice Communication System EVCS Mains Isolator Keyswitch Surface c/w Back Box White

Allows the mains to a SigTEL disabled refuge/fire telephone system controller to be switched on or off. Supplied with a surface mounting back box. Double pole and fitted with a 5A Fuse. Supplied with a special key that is only available to the responsible person. Can be wired with 1 x 2.5mm2 or 2 x 1.5mm2 cable to ensure only independent sole main supplies are used to the SigTEL controller.