Features NO ARC: Adopts double row composite contacts, transverse pull structure, micro motor advanced energy storage and microelectronic control technology, basically achieve 0 arc. MECHANICAL INTERLOCKING DEVICE: The load isolation actuating switch is equipped with mechanical interlocking device to ensure the reliable operation of the main and standby power supplies without mutual interference. EASY TO USE: The switch has obvious switch position indication, padlock and other functions to realize safe isolation of power supply and load. MULTI PROTECTION: Supports a variety of protection functions, including short circuit, overload, phase loss and undervoltage protection, safe and reliable to use. WIDE APPLICATION: The switch adopts electromechanical integration design, widely used, the switch can be used in families and public places, especially in office buildings and public places that need fire protection. Specification: Item Type: Dual Power Automatic Transfer Switch Material: ABS, Aluminum Alloy Rated Working Voltage: AC400V Control Voltage: 220V Rated Current: 125A Rated Insulation Voltage Ui: 750V Use Category: AC 33A Rated Power: 50HZ Breaking Capacity: icm 5KA Grade: CB Package List:1 x Switch 6 x Pad 1 x Handle  Package List 1 x Switch 6 x Pad 1 x Handle