TOB1-63H manual transfer switch is suitable for two-path power supply system with AC 50 HZ/60HZ, rated working voltage 240V~400V, rated current from 16A ~ 63A. It can manually transfer power supply to reserve power or generator when common power occurring fault so as to the reliability and safe of supply power. TOB1-63H has the protective function of overload, under-voltage, short circuit and lack phase which is especially suitable for using in the place where does not allow power supply failure, such as fire , hospital, marketplace, high-rise building, bank, TV station and so on. Rated voltage: 230V 50/60Hz Breaking capacity: 6Ka Rated current: 40A Colour:White Material:flame retardant material Size:80 x 78mm Package Contents: 1 x Circuit breaker Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.