520 Watts to Amps

520 watts is 4.33 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

520 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
43.33A 50.98A 29.43A
24V
DC, industrial control
21.67A 25.49A 14.72A
100V
Japan residential
5.2A 6.12A 3.53A
120V
US residential
4.33A 5.1A 2.94A
208V
US commercial three-phase
2.5A 2.94A 1.7A
220V
Legacy international / parts of Asia
2.36A 2.78A 1.61A
230V
UK / EU residential
2.26A 2.66A 1.54A
240V
US residential (dryer, range, HVAC)
2.17A 2.55A 1.47A
277V
US commercial lighting
1.88A 2.21A 1.28A
400V
UK / EU commercial three-phase
1.3A 1.53A 0.883A
460V
US industrial motor (NEC 430.250 column)
1.13A 1.33A 0.7678A
480V
US industrial three-phase
1.08A 1.27A 0.7358A
575V
Canadian industrial three-phase
0.9043A 1.06A 0.6143A

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.