1、[Millisecond Switching] This dual power automatic transfer switch exchanges to the standby power source immediately when the primary power source fails, offering uninterruptable power supply within milliseconds. 2、[PC Grade Electromagnetic Drive] Mainly used to test the stability of the primary or standby power source, this feature ensures the continuity, reliability, and safety of power supply. 3、[Versatile Operation Modes] The power transfer switch allows for both automatic and manual operation, ensuring continued power supply. Its compact and reliable structure facilitates easy installation and maintenance. 4、[Premium Materials] The generator changeover switch is made of PC flame resistant plastic, offering excellent insulation, high temperature resistance, and anti aging properties. Silver contact points enhance conductivity and extend lifespan. 5、[Wide Application Range] Suitable for emergency power supply systems rated at 400V AC 50Hz, this dual power ATS is ideal for first grade national load and can be used in various settings where continuous power supply is essential, such as factories, malls, nurseries, etc. 1 x Dual Power Automatic Transfer Switch2 x Rubber Pad1 x Manual Handle4 x Fuse Item Type: Dual Power Automatic Transfer SwitchMaterial: PC Flame Retardant, Silver, RubberModel: NLQ6 400 3PRated Current: 400ARated Short Circuit Connection Capacity: 17KARated Short Circuit Current: 10kARated Frequency: 50HzGrade: PC GradeUsage Category: AC 33BStandard: GB T 14048.11 IEC60947-6-1