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

52 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 52 kVA on a 480V Three-Phase AC (US Industrial) circuit.

Line Current (0.85 PF)62.55 AAt 1.0 PF: 62.55 A
Active / Apparent Power44.2 kW52.0 kVA · 27.39 kVAR
Recommended Breaker80 A (NEC)63 A (IEC Nominal)
Recommended Copper Wire6 AWGIEC Metric: 16 mm²

Engineering Breakdown for 52 kVA at 480V

Input Rating52 kVA (480V Three-Phase AC (US Industrial))
Amperage at 0.85 Power Factor (Industrial Motor/Transformer)62.55 Amps
Amperage at 1.00 Power Factor (Resistive Load)62.55 Amps
Real Power (kW / Watts)44.2 kW (44,200 W)
Apparent Power (kVA) & Reactive Power (kVAR)52.0 kVA / 27.39 kVAR
Equivalent Mechanical Horsepower (HP)59.27 HP
NEC 125% Continuous Circuit Breaker80 A
Minimum Copper Conductor (100 ft / 30 m, ≤3% Drop)6 AWG (NEC) / 16 mm² (IEC)

Frequently Asked Questions

How many amps is 52 kVA at 480V (3-Phase)?

At 480V Three-Phase AC (US Industrial), 52 kVA equals 62.55 Amps at an industrial power factor of 0.85 (or 62.55 Amps at unity power factor 1.0).

What size breaker and wire is needed for 52 kVA at 480V?

For 62.55A continuous load, NEC requires a 125% rated breaker of 80A with 6 AWG copper conductors, while IEC standard sizing uses a 63A breaker with 16 mm² copper cable.