343 Watts to Amps

343 watts is 2.86 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

343 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
28.58A 33.63A 19.41A
24V
DC, industrial control
14.29A 16.81A 9.71A
100V
Japan residential
3.43A 4.04A 2.33A
120V
US residential
2.86A 3.36A 1.94A
208V
US commercial three-phase
1.65A 1.94A 1.12A
220V
Legacy international / parts of Asia
1.56A 1.83A 1.06A
230V
UK / EU residential
1.49A 1.75A 1.01A
240V
US residential (dryer, range, HVAC)
1.43A 1.68A 0.9707A
277V
US commercial lighting
1.24A 1.46A 0.8411A
400V
UK / EU commercial three-phase
0.8575A 1.01A 0.5824A
460V
US industrial motor (NEC 430.250 column)
0.7457A 0.8772A 0.5065A
480V
US industrial three-phase
0.7146A 0.8407A 0.4854A
575V
Canadian industrial three-phase
0.5965A 0.7018A 0.4052A

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.