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

17.5 kVA to Amps at 400V Three-Phase AC (IEC Europe)

Exact current (Amps), real power (kW), apparent power (kVA), mechanical horsepower (HP), breaker rating, and conductor size for 17.5 kVA on a 400V Three-Phase AC (IEC Europe) circuit.

Line Current (0.85 PF)25.26 AAt 1.0 PF: 25.26 A
Active / Apparent Power14.88 kW17.5 kVA · 9.22 kVAR
Recommended Breaker32 A (NEC)30 A (IEC Nominal)
Recommended Copper Wire10 AWGIEC Metric: 4 mm²

Engineering Breakdown for 17.5 kVA at 400V

Input Rating17.5 kVA (400V Three-Phase AC (IEC Europe))
Amperage at 0.85 Power Factor (Industrial Motor/Transformer)25.26 Amps
Amperage at 1.00 Power Factor (Resistive Load)25.26 Amps
Real Power (kW / Watts)14.88 kW (14,875 W)
Apparent Power (kVA) & Reactive Power (kVAR)17.5 kVA / 9.22 kVAR
Equivalent Mechanical Horsepower (HP)19.95 HP
NEC 125% Continuous Circuit Breaker32 A
Minimum Copper Conductor (100 ft / 30 m, ≤3% Drop)10 AWG (NEC) / 4 mm² (IEC)

Frequently Asked Questions

How many amps is 17.5 kVA at 400V (3-Phase)?

At 400V Three-Phase AC (IEC Europe), 17.5 kVA equals 25.26 Amps at an industrial power factor of 0.85 (or 25.26 Amps at unity power factor 1.0).

What size breaker and wire is needed for 17.5 kVA at 400V?

For 25.26A continuous load, NEC requires a 125% rated breaker of 32A with 10 AWG copper conductors, while IEC standard sizing uses a 30A breaker with 4 mm² copper cable.