The Steca PA EV200 relay increases the switching capacity of the Steca PA 15 remote control from 15 A to 200 A (up to 10 kW). The relay is connected to the Steca PA 15 remote control at the load output and, for example, interrupts the battery voltage to a back-up generator when the end-of-charge voltage is reached. The relay is hermetically sealed and operates safely in difficult environmental conditions such as dust, salt and moisture.