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

126 kVA 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 126 kVA on a 480V Three-Phase AC (US Industrial) circuit.

Line Current (0.85 PF)151.55 AAt 1.0 PF: 151.55 A
Active / Apparent Power107.1 kW126.0 kVA · 66.37 kVAR
Recommended Breaker200 A (NEC)160 A (IEC Nominal)
Recommended Copper Wire2/0 AWGIEC Metric: 70 mm²

Engineering Breakdown for 126 kVA at 480V

Input Rating126 kVA (480V Three-Phase AC (US Industrial))
Amperage at 0.85 Power Factor (Industrial Motor/Transformer)151.55 Amps
Amperage at 1.00 Power Factor (Resistive Load)151.55 Amps
Real Power (kW / Watts)107.1 kW (107,100 W)
Apparent Power (kVA) & Reactive Power (kVAR)126.0 kVA / 66.37 kVAR
Equivalent Mechanical Horsepower (HP)143.62 HP
NEC 125% Continuous Circuit Breaker200 A
Minimum Copper Conductor (100 ft / 30 m, ≤3% Drop)2/0 AWG (NEC) / 70 mm² (IEC)

Frequently Asked Questions

How many amps is 126 kVA at 480V (3-Phase)?

At 480V Three-Phase AC (US Industrial), 126 kVA equals 151.55 Amps at an industrial power factor of 0.85 (or 151.55 Amps at unity power factor 1.0).

What size breaker and wire is needed for 126 kVA at 480V?

For 151.55A continuous load, NEC requires a 125% rated breaker of 200A with 2/0 AWG copper conductors, while IEC standard sizing uses a 160A breaker with 70 mm² copper cable.