Electrical parameters Power voltage AC220V±10% or AC110V±10%, 50/60Hz±10% Time measurement 0.1ms-999999.999s AC current output Phase current output (effective value) 3 x 0-30A Maximum power output 260VA/phase Maximum parallel current output (effective value) 0-90A Long-term allowable working value of phase current (effective value) >10A Allowable working time of maximum current >11s Accuracy class