3.21 kW to Amps

3.21 kilowatts is 13.38 amps at 240V (DC). The exact amperage depends on your voltage and whether the circuit is single-phase or three-phase.

3.21 kW to Amps at Every Voltage

VoltageDCAC 1-Phase (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
267.58A 314.8A 181.75A
24V
DC, industrial control
133.79A 157.4A 90.88A
100V
Japan residential
32.11A 37.78A 21.81A
120V
US residential
26.76A 31.48A 18.18A
208V
US commercial three-phase
15.44A 18.16A 10.49A
220V
Legacy international / parts of Asia
14.6A 17.17A 9.91A
230V
UK / EU residential
13.96A 16.42A 9.48A
240V
US residential (dryer, range, HVAC)
13.38A 15.74A 9.09A
277V
US commercial lighting
11.59A 13.64A 7.87A
400V
UK / EU commercial three-phase
8.03A 9.44A 5.45A
460V
US industrial motor (NEC 430.250 column)
6.98A 8.21A 4.74A
480V
US industrial three-phase
6.69A 7.87A 4.54A
575V
Canadian industrial three-phase
5.58A 6.57A 3.79A

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.