... and different apparatus. It is used to measure DC current, voltage & AC current, voltage, frequency and phase power. BLUESWIFT panel meter can ... meterKW.VAR2.5100V 380V 380-380KV100V secondary voltage passed by voltage ; Secondary current passed by current transformer 5-10KA/5Acosφ metercosφ2. ... 380V/5AThree-phase synchronous tableS2.5100V,220V,380/100V Voltage Current Energy Frequency Panel Meter