... 660VAC, and may transfer with load. The ATS rated current series is40A, 63A, 80A,125A, 160A, 250A, 400A, 630A, 800A,1000A ... 4 poles. The ATS of 40~125A is defined with N; 160~400 is defined with T ;630A~2000A is defined ... avoid magnetic coil under long Operations with live line work.” N” and “T” type used 2 coil direct current supply pulse ...