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
331.08A 389.51A 224.88A
24V
DC, industrial control
165.54A 194.75A 112.44A
100V
Japan residential
39.73A 46.74A 26.99A
120V
US residential
33.11A 38.95A 22.49A
208V
US commercial three-phase
19.1A 22.47A 12.97A
220V
Legacy international / parts of Asia
18.06A 21.25A 12.27A
230V
UK / EU residential
17.27A 20.32A 11.73A
240V
US residential (dryer, range, HVAC)
16.55A 19.48A 11.24A
277V
US commercial lighting
14.34A 16.87A 9.74A
400V
UK / EU commercial three-phase
9.93A 11.69A 6.75A
460V
US industrial motor (NEC 430.250 column)
8.64A 10.16A 5.87A
480V
US industrial three-phase
8.28A 9.74A 5.62A
575V
Canadian industrial three-phase
6.91A 8.13A 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.