3.97 kW to Amps

3.97 kilowatts is 16.55 amps at 240V (DC). The exact amperage depends on your voltage and whether the circuit is single-phase or three-phase.

3.97 kW to Amps at Every Voltage

VoltageDCAC 1-Phase (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
330.92A 389.31A 224.77A
24V
DC, industrial control
165.46A 194.66A 112.39A
100V
Japan residential
39.71A 46.72A 26.97A
120V
US residential
33.09A 38.93A 22.48A
208V
US commercial three-phase
19.09A 22.46A 12.97A
220V
Legacy international / parts of Asia
18.05A 21.24A 12.26A
230V
UK / EU residential
17.27A 20.31A 11.73A
240V
US residential (dryer, range, HVAC)
16.55A 19.47A 11.24A
277V
US commercial lighting
14.34A 16.87A 9.74A
400V
UK / EU commercial three-phase
9.93A 11.68A 6.74A
460V
US industrial motor (NEC 430.250 column)
8.63A 10.16A 5.86A
480V
US industrial three-phase
8.27A 9.73A 5.62A
575V
Canadian industrial three-phase
6.91A 8.12A 4.69A

Other kW Values

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.