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

11 kVA 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 11 kVA on a 415V Three-Phase AC (UK / AU) circuit.

Line Current (0.85 PF)15.3 AAt 1.0 PF: 15.3 A
Active / Apparent Power9.35 kW11.0 kVA · 5.79 kVAR
Recommended Breaker20 A (NEC)16 A (IEC Nominal)
Recommended Copper Wire12 AWGIEC Metric: 1.5 mm²

Engineering Breakdown for 11 kVA at 415V

Input Rating11 kVA (415V Three-Phase AC (UK / AU))
Amperage at 0.85 Power Factor (Industrial Motor/Transformer)15.3 Amps
Amperage at 1.00 Power Factor (Resistive Load)15.3 Amps
Real Power (kW / Watts)9.35 kW (9,350 W)
Apparent Power (kVA) & Reactive Power (kVAR)11.0 kVA / 5.79 kVAR
Equivalent Mechanical Horsepower (HP)12.54 HP
NEC 125% Continuous Circuit Breaker20 A
Minimum Copper Conductor (100 ft / 30 m, ≤3% Drop)12 AWG (NEC) / 1.5 mm² (IEC)

Frequently Asked Questions

How many amps is 11 kVA at 415V (3-Phase)?

At 415V Three-Phase AC (UK / AU), 11 kVA equals 15.3 Amps at an industrial power factor of 0.85 (or 15.3 Amps at unity power factor 1.0).

What size breaker and wire is needed for 11 kVA at 415V?

For 15.3A continuous load, NEC requires a 125% rated breaker of 20A with 12 AWG copper conductors, while IEC standard sizing uses a 16A breaker with 1.5 mm² copper cable.