A、AC3.4V±0.4V B、DC3.4V±0.4V C、AC4.0V±0.8V D、DC4.0V±0.8V
A、AC18.0V~35.0V B、DC18.0V~35.0V C、AC20.0V~40.0V D、DC20.0V~40.0V
A、AC150V~210V B、DC150V~210V C、AC200V~260V D、DC200V~260V