Rigid clamp 3000A AC, diameter 70mm HT Instruments HP30C3 AC Transducer Clamp Meter up to 3000A Rigid clamp 3000A AC, diameter 70mm Standard Clamps current 3000ACA. Med Country: 1A ÷ 3000A. Overvoltage category: CAT III 600V. Cable Diameter Max: 70mm . Dimensions max bar: 100x46mm. Output connector: Hypertac Standards CE Mark EMC 2004/108/CE Directive LVD 2006/95/CE Directive.