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

118 kW to Amps at 480V Three-Phase AC (US Industrial)

Exact current (Amps), real power (kW), apparent power (kVA), mechanical horsepower (HP), breaker rating, and conductor size for 118 kW on a 480V Three-Phase AC (US Industrial) circuit.

Line Current (0.85 PF)166.98 AAt 1.0 PF: 141.93 A
Active / Apparent Power118.0 kW138.82 kVA · 73.13 kVAR
Recommended Breaker225 A (NEC)175 A (IEC Nominal)
Recommended Copper Wire2/0 AWGIEC Metric: 70 mm²

Engineering Breakdown for 118 kW at 480V

Input Rating118 kW (480V Three-Phase AC (US Industrial))
Amperage at 0.85 Power Factor (Industrial Motor/Transformer)166.98 Amps
Amperage at 1.00 Power Factor (Resistive Load)141.93 Amps
Real Power (kW / Watts)118.0 kW (118,000 W)
Apparent Power (kVA) & Reactive Power (kVAR)138.82 kVA / 73.13 kVAR
Equivalent Mechanical Horsepower (HP)158.24 HP
NEC 125% Continuous Circuit Breaker225 A
Minimum Copper Conductor (100 ft / 30 m, ≤3% Drop)2/0 AWG (NEC) / 70 mm² (IEC)

Frequently Asked Questions

How many amps is 118 kW at 480V (3-Phase)?

At 480V Three-Phase AC (US Industrial), 118 kW equals 166.98 Amps at an industrial power factor of 0.85 (or 141.93 Amps at unity power factor 1.0).

What size breaker and wire is needed for 118 kW at 480V?

For 166.98A continuous load, NEC requires a 125% rated breaker of 225A with 2/0 AWG copper conductors, while IEC standard sizing uses a 175A breaker with 70 mm² copper cable.