Allows the mains to an Evacuation Alert panel to be switched on or off. Supplied with a surface mounting back box. Third-party tested to the relevant insulation and isolation requirements of IEC/EN 60669. Double pole. Fitted with a 5A Fuse. Supplied with a special key that is only available to the responsible person. Able to be wired with 1 x 2.5mm2 cable or 2 x 1.5mm2 cable to ensure only independent sole main supplies are used to the Evacuation Alert panel.