238 kW to Amps at 415V Three-Phase AC (UK / AU)
Exact current (Amps), real power (kW), apparent power (kVA), mechanical horsepower (HP), breaker rating, and conductor size for 238 kW on a 415V Three-Phase AC (UK / AU) circuit.
Line Current (0.85 PF)389.54 AAt 1.0 PF: 331.11 A
Active / Apparent Power238.0 kW280.0 kVA · 147.5 kVAR
Recommended Breaker500 A (NEC)400 A (IEC Nominal)
Recommended Copper Wire600 kcmilIEC Metric: 240 mm²
Engineering Breakdown for 238 kW at 415V
| Input Rating | 238 kW (415V Three-Phase AC (UK / AU)) |
| Amperage at 0.85 Power Factor (Industrial Motor/Transformer) | 389.54 Amps |
| Amperage at 1.00 Power Factor (Resistive Load) | 331.11 Amps |
| Real Power (kW / Watts) | 238.0 kW (238,000 W) |
| Apparent Power (kVA) & Reactive Power (kVAR) | 280.0 kVA / 147.5 kVAR |
| Equivalent Mechanical Horsepower (HP) | 319.16 HP |
| NEC 125% Continuous Circuit Breaker | 500 A |
| Minimum Copper Conductor (100 ft / 30 m, ≤3% Drop) | 600 kcmil (NEC) / 240 mm² (IEC) |
Frequently Asked Questions
How many amps is 238 kW at 415V (3-Phase)?
At 415V Three-Phase AC (UK / AU), 238 kW equals 389.54 Amps at an industrial power factor of 0.85 (or 331.11 Amps at unity power factor 1.0).
What size breaker and wire is needed for 238 kW at 415V?
For 389.54A continuous load, NEC requires a 125% rated breaker of 500A with 600 kcmil copper conductors, while IEC standard sizing uses a 400A breaker with 240 mm² copper cable.
Other Power Ratings & Voltages
5 kW at 415V (3P)10 kW at 415V (3P)15 kW at 415V (3P)20 kW at 415V (3P)25 kW at 415V (3P)30 kW at 415V (3P)45 kW at 415V (3P)50 kW at 415V (3P)75 kW at 415V (3P)100 kW at 415V (3P)150 kW at 415V (3P)200 kW at 415V (3P)250 kW at 415V (3P)500 kW at 415V (3P)238 kW at 120V Single-Phase AC238 kW at 208V Single-Phase AC238 kW at 230V Single-Phase AC (IEC)238 kW at 240V Single-Phase AC (NEC)238 kW at 208V Three-Phase AC238 kW at 230V Three-Phase AC238 kW at 400V Three-Phase AC (IEC Europe)238 kW at 480V Three-Phase AC (US Industrial)238 kW at 600V Three-Phase AC (Canada / Heavy)238 kW at 24V DC Direct Current238 kW at 48V DC Battery / Telecom Bus