42,240 Watts to Amps

42,240 watts is 352 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

42,240 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
3,520A 4,141.18A 2,390.91A
24V
DC, industrial control
1,760A 2,070.59A 1,195.45A
100V
Japan residential
422.4A 496.94A 286.91A
120V
US residential
352A 414.12A 239.09A
208V
US commercial three-phase
203.08A 238.91A 137.94A
220V
Legacy international / parts of Asia
192A 225.88A 130.41A
230V
UK / EU residential
183.65A 216.06A 124.74A
240V
US residential (dryer, range, HVAC)
176A 207.06A 119.55A
277V
US commercial lighting
152.49A 179.4A 103.58A
400V
UK / EU commercial three-phase
105.6A 124.24A 71.73A
460V
US industrial motor (NEC 430.250 column)
91.83A 108.03A 62.37A
480V
US industrial three-phase
88A 103.53A 59.77A
575V
Canadian industrial three-phase
73.46A 86.42A 49.9A

Other Wattages

This calculator provides estimates for reference purposes only. Always consult a licensed electrician and verify compliance with the National Electrical Code (NEC) and local electrical codes before performing any electrical work.