FCOS-63 can be used as a hand-operated miniature dual power transfer switch. In the case of FCOS-63 is suitable for use in industrial, shopping malls, shops, one side breaker closing, the other side of the circuit breaker can only be kept disconnected, and the protection functions of the common power supply (mains) and standby power supply line switching can be realized. hospitals, mines, schools, government agencies and other special places with two main lines, often used with voltage regulators and other electrical appliances.DatasheetRated current: 63APole: 2P+2PRated working voltage: 400VDCRated short circuit breaking capacity: 4000A