电源输入 ATRT03 3A,220VAC,50Hz ATRT03A 3A,220VAC,50Hz;12VDC ATRT03B 3A,220VAC,50Hz 变比测量范围 0.8-15000 变比精度 0.8-1999,0.1% 测试电压 2000-3999,0.15% 励磁电流 4000-15000,0.1% 精度 8/40/100VAC 相…