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🏭 Industrial Electrical Conversion · Three-Phase & Single-Phase

104 kW to Amps at 230V Three-Phase AC

Exact current (Amps), real power (kW), apparent power (kVA), mechanical horsepower (HP), breaker rating, and conductor size for 104 kW on a 230V Three-Phase AC circuit.

Line Current (0.85 PF)307.13 AAt 1.0 PF: 261.06 A
Active / Apparent Power104.0 kW122.35 kVA · 64.45 kVAR
Recommended Breaker400 A (NEC)350 A (IEC Nominal)
Recommended Copper Wire350 kcmilIEC Metric: 150 mm²

Engineering Breakdown for 104 kW at 230V

Input Rating104 kW (230V Three-Phase AC)
Amperage at 0.85 Power Factor (Industrial Motor/Transformer)307.13 Amps
Amperage at 1.00 Power Factor (Resistive Load)261.06 Amps
Real Power (kW / Watts)104.0 kW (104,000 W)
Apparent Power (kVA) & Reactive Power (kVAR)122.35 kVA / 64.45 kVAR
Equivalent Mechanical Horsepower (HP)139.47 HP
NEC 125% Continuous Circuit Breaker400 A
Minimum Copper Conductor (100 ft / 30 m, ≤3% Drop)350 kcmil (NEC) / 150 mm² (IEC)

Frequently Asked Questions

How many amps is 104 kW at 230V (3-Phase)?

At 230V Three-Phase AC, 104 kW equals 307.13 Amps at an industrial power factor of 0.85 (or 261.06 Amps at unity power factor 1.0).

What size breaker and wire is needed for 104 kW at 230V?

For 307.13A continuous load, NEC requires a 125% rated breaker of 400A with 350 kcmil copper conductors, while IEC standard sizing uses a 350A breaker with 150 mm² copper cable.