... ) 2.Electricity range:AC60~600V,40 Hz~70Hz 3.1.6~16mm,ISO,CE,OEM ETCR1000C Phase Rotation Indicator Our buyers ... : AC70~600V; Max cable Dimension to be clamped: ø1.6-ø16mm, LED Dynamic display, Clear power supply Three-phase Sequence.Instrument base ... , 40~70Hz (Sine Wave Continuous Input)Clamp Wire SizeDiameter ø1.6-ø16mmLED Display[Positive Phase Sequence]The four phase-sequence lamps ...