... 660VAC, and may transfer with load. The ATS rated current series is40A, 63A, 80A,125A, 160A, 250A, 400A, 630A, 800A, ... ,connecting middle relay,supplying power for theRectifier bridge.when driving solenoid coil, switches action of backup battery complete the circuit. ... same time.2. Structure and IntensityStructure SGQ and ATS use solenoid coil driving, electric apparatus as linked at same time. The ...