Features [Reliable Construction] Featuring silver alloy contact, PC flame retardant housing, this manual transfer switch ensures reliable performance and durability. [Dual Power Switching] This dual power manual transfer switch allows for manual switching between dual power circuits, providing a reliable and convenient solution for managing your power sources. [Versatile Application] Suitable for a wide range of applications, including RVs, residential homes, generators, or any other dual power system, this switch offers versatility and flexibility in managing your power sources effectively. [Safety Features] With built in overload and short circuit protection, this transfer switch ensures the safety of your electrical system by preventing damage caused by excessive currents or electrical faults. [Visual Indicator Window] Equipped with three color indicator window, this switch provides clear visual feedback on the status of the connected power supply. The red color indicates a tripped circuit, yellow indicates overload protection, and green indicates normal operation. Specification: Item Type: Dual Power Manual Transfer Switch Material: PC Flame Retardant, Silver Model: NLZ1 63 Rated Voltage: 230VAC Current: 63A Rated Frequency: 50 60HZ Poles: 1P Short Circuit Making Capacity: 3000A Short Time Withstand Current: 1500A/1s Electrical Life: >1500 Times Mechanical Life: >8500 Times Protection Grade: IP20 Operating Temperature: -5℃ to 40℃ Terminal Cable Size: 16mm² Mounting: 35mm DIN Rail Three Color Window: Red (Tripped), Yellow (Overload Protection), Green (Normal Operation) How to Use: Use according to the introduction of images. packing list: 1 x Dual Power Manual Transfer Switch Package List 1 x Dual Power Manual Transfer Switch