11 kW to Amps at 208V Three-Phase AC
Exact current (Amps), real power (kW), apparent power (kVA), mechanical horsepower (HP), breaker rating, and conductor size for 11 kW on a 208V Three-Phase AC circuit.
Line Current (0.85 PF)35.92 AAt 1.0 PF: 30.53 A
Active / Apparent Power11.0 kW12.94 kVA · 6.82 kVAR
Recommended Breaker45 A (NEC)40 A (IEC Nominal)
Recommended Copper Wire8 AWGIEC Metric: 6 mm²
Engineering Breakdown for 11 kW at 208V
| Input Rating | 11 kW (208V Three-Phase AC) |
| Amperage at 0.85 Power Factor (Industrial Motor/Transformer) | 35.92 Amps |
| Amperage at 1.00 Power Factor (Resistive Load) | 30.53 Amps |
| Real Power (kW / Watts) | 11.0 kW (11,000 W) |
| Apparent Power (kVA) & Reactive Power (kVAR) | 12.94 kVA / 6.82 kVAR |
| Equivalent Mechanical Horsepower (HP) | 14.75 HP |
| NEC 125% Continuous Circuit Breaker | 45 A |
| Minimum Copper Conductor (100 ft / 30 m, ≤3% Drop) | 8 AWG (NEC) / 6 mm² (IEC) |
Frequently Asked Questions
How many amps is 11 kW at 208V (3-Phase)?
At 208V Three-Phase AC, 11 kW equals 35.92 Amps at an industrial power factor of 0.85 (or 30.53 Amps at unity power factor 1.0).
What size breaker and wire is needed for 11 kW at 208V?
For 35.92A continuous load, NEC requires a 125% rated breaker of 45A with 8 AWG copper conductors, while IEC standard sizing uses a 40A breaker with 6 mm² copper cable.
Other Power Ratings & Voltages
5 kW at 208V (3P)10 kW at 208V (3P)15 kW at 208V (3P)20 kW at 208V (3P)25 kW at 208V (3P)30 kW at 208V (3P)45 kW at 208V (3P)50 kW at 208V (3P)75 kW at 208V (3P)100 kW at 208V (3P)150 kW at 208V (3P)200 kW at 208V (3P)250 kW at 208V (3P)500 kW at 208V (3P)11 kW at 120V Single-Phase AC11 kW at 208V Single-Phase AC11 kW at 230V Single-Phase AC (IEC)11 kW at 240V Single-Phase AC (NEC)11 kW at 230V Three-Phase AC11 kW at 400V Three-Phase AC (IEC Europe)11 kW at 415V Three-Phase AC (UK / AU)11 kW at 480V Three-Phase AC (US Industrial)11 kW at 600V Three-Phase AC (Canada / Heavy)11 kW at 24V DC Direct Current11 kW at 48V DC Battery / Telecom Bus