Three Phase Digital Power Clamp Meter V, A, W, VA, VAR, KWh, PF, Hz measurement ... of 3-phase 3-wire, 3-phase 4-wire, single-phase mode V, A, W, VA, VAR, KWh, PF, ... LCD display, multifunctional button controlSPECIFICATIONSMax conductor size50mmAC current(A)40/100/400/1000A±2%AC voltage(V)100 ... 600kVA±3.0%Power factor(PF)0.3cap to 0.3ind±0.02%Reactive power(KVAR) 4/10/40/100/600kVAR±4.0%Active energy ...