The PowerBreaker switch is mechically latched, so it does not need resetting after a power loss. There is a red and green dual flag system to show when the power is either on/off. This switched socket will fit 35mm back boxes. · · · Trip speed: 20 milliseconds · · 13A inductive · · 30mA passive · · Number of poles: 2 · · Voltage rating: 230V AC (50Hz) · · IP40 rated · · Tested to comply with the new BS7288 regulations · · Weight: 152g · · Polycarbonate housing · · Dimensions: 86.5 x 86.5 x 12mm