Electromechanical snapaction switches for a current < 11 a (excl. relays and automatic circuit breakers)
Electronic ac switches consisting of optically coupled input and output circuits "insulated thyristor ac switches" (excl. relays and automatic circuit breakers)
Electronic switches, incl. temperature protected electronic switches, consisting of a transistor and a logic chip "chiponchip technology" (excl. relays and automatic circuit breakers)