1、DUAL MODE: This automatic switch not only supports automatic mode, but can also be operated by means of a manual button for easy operation and reliable performance. 2、FAST SAFETY SWITCHING: Automatic switch with load safety switching, maximum switching speed < 2S, under regular circumstances can achieve the use of part of the electrical appliances without power 3、GOOD MATERIAL: The use of flame retardant PC material as the shell, good insulation, high temperature resistance and anti aging, the use of silver contacts, brass motor coil can greatly improve the conductivity and service life. 4、EASY INSTALLATION: The ATS of the changeover switch is compact, reliable in transmission, easy to install and maintain, and can be installed vertically or horizontally. 5、WIDE APPLICATION: The switch switch is mainly used in hospitals, shops, banks, chemical industry, metallurgy, high rise buildings, military installations and other important situations where power cuts are not allowed. 1 x Dual Power Automatic Transfer Switch 1 x Instruction Item Type: Dual Power Automatic Transfer Switch Material: Flame retardant PC, brass, PCB, silverCurrent: 100AOperating Frequency: 50HzRated Voltage: AC400VOperating Voltage: AC380VDisplay Function: Indicator light displayOperation Mode: Automatic/ManualATS Level: CB levelConversion Time: ≤2sUse Level: AC-33iBSwitching Mode: Self throwing and self repeatingMechanical Life: Automatic: 3000 times; Manual: 1500 timesConformity: IEC947-6-1GB 14048.11Working Principle: This series of dual power supply controllers and drive mechanisms supply power signals dependent on the A phase and N wires of the incoming ports of the normal or standby switch. When the dual power supply is in automatic state, when the incoming phase A and N common switch voltage is normal (AC190-240V), the common switch will be closed in priority regardless of whether the common power supply B.C and the standby switch a.b.c and N voltage are normal. At the same time, the power supply indicator and the common off indicator light up. When the incoming public switch A phase and line N have no voltage, and the incoming standby switch A phase and line N have normal voltage, the dual power supply turns to standby closure regardless of whether the normal switch B and standby switch C have normal voltage. The power indicator and the standby closure indicator light up. Manual function, regardless of whether the normal power supply and standby power supply have voltage or not, can be operated manually. For manual operation, the manual automatic button should be placed in the manual operating position. Push the handle clockwise to the terminal, the standby power supply is open R and the common power supply is open N. When the push handle is rotated counterclockwise to the terminal, the standby power switch R closes and the public power switch N opens.