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

84 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 84 kVA on a 415V Three-Phase AC (UK / AU) circuit.

Line Current (0.85 PF)116.86 AAt 1.0 PF: 116.86 A
Active / Apparent Power71.4 kW84.0 kVA · 44.25 kVAR
Recommended Breaker150 A (NEC)125 A (IEC Nominal)
Recommended Copper Wire1 AWGIEC Metric: 35 mm²

Engineering Breakdown for 84 kVA at 415V

Input Rating84 kVA (415V Three-Phase AC (UK / AU))
Amperage at 0.85 Power Factor (Industrial Motor/Transformer)116.86 Amps
Amperage at 1.00 Power Factor (Resistive Load)116.86 Amps
Real Power (kW / Watts)71.4 kW (71,400 W)
Apparent Power (kVA) & Reactive Power (kVAR)84.0 kVA / 44.25 kVAR
Equivalent Mechanical Horsepower (HP)95.75 HP
NEC 125% Continuous Circuit Breaker150 A
Minimum Copper Conductor (100 ft / 30 m, ≤3% Drop)1 AWG (NEC) / 35 mm² (IEC)

Frequently Asked Questions

How many amps is 84 kVA at 415V (3-Phase)?

At 415V Three-Phase AC (UK / AU), 84 kVA equals 116.86 Amps at an industrial power factor of 0.85 (or 116.86 Amps at unity power factor 1.0).

What size breaker and wire is needed for 84 kVA at 415V?

For 116.86A continuous load, NEC requires a 125% rated breaker of 150A with 1 AWG copper conductors, while IEC standard sizing uses a 125A breaker with 35 mm² copper cable.