1Switch Function: Dual power manual transfer switch, which is used to switch the dual power supply circuit, the rated voltage is 400VAC and the current is 63A, with overload protection and short circuit protection. 2Single Side Interlock: The handle of the right circuit breaker is interlocked with the internal trip mechanism of the left one. Opening the right circuit breaker will cause the left one to trip. When the right circuit breaker is opened, the left cannot be opened. 3Durable Materials: The 4P power transfer switch adopts PC flame retardant shell, which has good insulation and high temperature resistance, and the silver alloy contacts ensure good conductivity. 43 Color Window: This dual power supply transfer switch has 3 color indication window, where red represents tripping, yellow represents overload protection, and green represents normal operation. 5Wide Application: The manual transfer switch adopts 35mm DIN rail installation, which is convenient and practical, and is widely used in home, RV, generator, or other dual power supply system. 1 x Dual Power Manual TransferSwitch