4.5 kW to Amps

4.5 kilowatts is 18.77 amps at 240V (DC). The exact amperage depends on your voltage and whether the circuit is single-phase or three-phase.

4.5 kW to Amps at Every Voltage

VoltageDCAC 1-Phase (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
375.33A 441.57A 254.94A
24V
DC, industrial control
187.67A 220.78A 127.47A
100V
Japan residential
45.04A 52.99A 30.59A
120V
US residential
37.53A 44.16A 25.49A
208V
US commercial three-phase
21.65A 25.48A 14.71A
220V
Legacy international / parts of Asia
20.47A 24.09A 13.91A
230V
UK / EU residential
19.58A 23.04A 13.3A
240V
US residential (dryer, range, HVAC)
18.77A 22.08A 12.75A
277V
US commercial lighting
16.26A 19.13A 11.04A
400V
UK / EU commercial three-phase
11.26A 13.25A 7.65A
460V
US industrial motor (NEC 430.250 column)
9.79A 11.52A 6.65A
480V
US industrial three-phase
9.38A 11.04A 6.37A
575V
Canadian industrial three-phase
7.83A 9.22A 5.32A

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.