Features Durable Materials: The transfer switch adopts PC flame retardant shell with color indication window, which has good insulation, and the silver alloy contacts ensure good conductivity. Safe Operation: Open the left and right handles at the same time, only the right circuit is connected, the left trip mechanism has been disconnected in advance, both circuits are not connected at the same time. Protection Function: 3P dual power manual transfer switch with rated voltage of 400VAC and current of 63A, which has overload protection and short circuit protection. 35mm DIN Rail Mount: This dual power manual transfer switch adopts 35mm DIN rail installation, widely used in RVs, homes, generators, or other dual power supply system. Single Side Interlock: The right circuit breaker handle is interlocked with the internal trip mechanism of the left circuit breaker. Opening the right circuit breaker will cause the left to trip. Specification: Item Type: Dual Power Manual Transfer Switch Model: NLZ1 63 Material: PC Flame Retardant, Silver Rated Voltage: 400VAC Current: 63A Rated Frequency: 50/60HZ Poles: 3P Electrical Life: >1500 Times Mechanical Life: >8500 Times Protection Grade: IP20 Operating Temperature: -5℃-40℃ Terminal Cable Size: 16mm² Installation: 35mm Rail Package List: 1 x Dual Power Manual Transfer Switch Package List 1 x Dual Power Manual Transfer Switch