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

170 kW 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 170 kW on a 400V Three-Phase AC (IEC Europe) circuit.

Line Current (0.85 PF)288.68 AAt 1.0 PF: 245.37 A
Active / Apparent Power170.0 kW200.0 kVA · 105.36 kVAR
Recommended Breaker400 A (NEC)300 A (IEC Nominal)
Recommended Copper Wire350 kcmilIEC Metric: 150 mm²

Engineering Breakdown for 170 kW at 400V

Input Rating170 kW (400V Three-Phase AC (IEC Europe))
Amperage at 0.85 Power Factor (Industrial Motor/Transformer)288.68 Amps
Amperage at 1.00 Power Factor (Resistive Load)245.37 Amps
Real Power (kW / Watts)170.0 kW (170,000 W)
Apparent Power (kVA) & Reactive Power (kVAR)200.0 kVA / 105.36 kVAR
Equivalent Mechanical Horsepower (HP)227.97 HP
NEC 125% Continuous Circuit Breaker400 A
Minimum Copper Conductor (100 ft / 30 m, ≤3% Drop)350 kcmil (NEC) / 150 mm² (IEC)

Frequently Asked Questions

How many amps is 170 kW at 400V (3-Phase)?

At 400V Three-Phase AC (IEC Europe), 170 kW equals 288.68 Amps at an industrial power factor of 0.85 (or 245.37 Amps at unity power factor 1.0).

What size breaker and wire is needed for 170 kW at 400V?

For 288.68A continuous load, NEC requires a 125% rated breaker of 400A with 350 kcmil copper conductors, while IEC standard sizing uses a 300A breaker with 150 mm² copper cable.