How about a mains switch that turns itself completely off? Omron has released such a thing: a manual mains switch with a coil inside that will flip it to the ‘off’ position following the application ...

Available in current ratings from 0.1 to 20 A at voltages of 250 Vac and 32 Vdc, the 3131 rocker switch/circuit breaker offers an interrupt capacity of 3,500 A at 250 Vac (2,000 A at 32 Vdc).

A high level of safety is claimed with the 3600 Tippmatic rocker switch that features an integrated, automatic electrical shut-off function with several shut-off delays available. The switch is suited ...