1550 kW to Amps at 240V Single-Phase AC (NEC)
Exact current (Amps), real power (kW), apparent power (kVA), mechanical horsepower (HP), breaker rating, and conductor size for 1550 kW on a 240V Single-Phase AC (NEC) circuit.
Line Current (0.85 PF)7598.04 AAt 1.0 PF: 6458.33 A
Active / Apparent Power1550.0 kW1823.53 kVA · 960.6 kVAR
Recommended Breaker9500 A (NEC)7600 A (IEC Nominal)
Recommended Copper Wire14× 1000 kcmil (Parallel)IEC Metric: 14× 400 mm²
Engineering Breakdown for 1550 kW at 240V
| Input Rating | 1550 kW (240V Single-Phase AC (NEC)) |
| Amperage at 0.85 Power Factor (Industrial Motor/Transformer) | 7598.04 Amps |
| Amperage at 1.00 Power Factor (Resistive Load) | 6458.33 Amps |
| Real Power (kW / Watts) | 1550.0 kW (1,550,000 W) |
| Apparent Power (kVA) & Reactive Power (kVAR) | 1823.53 kVA / 960.6 kVAR |
| Equivalent Mechanical Horsepower (HP) | 2078.58 HP |
| NEC 125% Continuous Circuit Breaker | 9500 A |
| Minimum Copper Conductor (100 ft / 30 m, ≤3% Drop) | 14× 1000 kcmil (Parallel) (NEC) / 14× 400 mm² (IEC) |
Frequently Asked Questions
How many amps is 1550 kW at 240V (1-Phase)?
At 240V Single-Phase AC (NEC), 1550 kW equals 7598.04 Amps at an industrial power factor of 0.85 (or 6458.33 Amps at unity power factor 1.0).
What size breaker and wire is needed for 1550 kW at 240V?
For 7598.04A continuous load, NEC requires a 125% rated breaker of 9500A with 14× 1000 kcmil (Parallel) copper conductors, while IEC standard sizing uses a 7600A breaker with 14× 400 mm² copper cable.
Other Power Ratings & Voltages
5 kW at 240V (1P)10 kW at 240V (1P)15 kW at 240V (1P)20 kW at 240V (1P)25 kW at 240V (1P)30 kW at 240V (1P)45 kW at 240V (1P)50 kW at 240V (1P)75 kW at 240V (1P)100 kW at 240V (1P)150 kW at 240V (1P)200 kW at 240V (1P)250 kW at 240V (1P)500 kW at 240V (1P)1550 kW at 120V Single-Phase AC1550 kW at 208V Single-Phase AC1550 kW at 230V Single-Phase AC (IEC)1550 kW at 208V Three-Phase AC1550 kW at 230V Three-Phase AC1550 kW at 400V Three-Phase AC (IEC Europe)1550 kW at 415V Three-Phase AC (UK / AU)1550 kW at 480V Three-Phase AC (US Industrial)1550 kW at 600V Three-Phase AC (Canada / Heavy)1550 kW at 24V DC Direct Current1550 kW at 48V DC Battery / Telecom Bus