The HPM Electresafe Power Center features a built in RCD safety switch to help protect against electrocution, cutting power in 30 milliseconds, and built in MCB for localised overload protection.Built-in RCD safety switch - electromechanical RCD will trip within 30 thousandths of a second if the supply neutral is lost.Features: Type A RCD - protects the supply against AC earth fault currents and pulsating DC fault currents. Built-in MCB (Minature Circuit Breaker) to provide localised protection. 2x HPM Excel double pole power points with safety shutters for extra protection. Lead can be wound on to unit for easy transportation and strorage when not in use. Plug features 'parking clip' to help prevent lead unravelling when not in use. Stable low entry and large base. 15 Amp sockets accomate both 10A and 15A plugs.