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

104 kVA to Amps at 208V Three-Phase AC

Exact current (Amps), real power (kW), apparent power (kVA), mechanical horsepower (HP), breaker rating, and conductor size for 104 kVA on a 208V Three-Phase AC circuit.

Line Current (0.85 PF)288.68 AAt 1.0 PF: 288.68 A
Active / Apparent Power88.4 kW104.0 kVA · 54.79 kVAR
Recommended Breaker400 A (NEC)300 A (IEC Nominal)
Recommended Copper Wire350 kcmilIEC Metric: 150 mm²

Engineering Breakdown for 104 kVA at 208V

Input Rating104 kVA (208V Three-Phase AC)
Amperage at 0.85 Power Factor (Industrial Motor/Transformer)288.68 Amps
Amperage at 1.00 Power Factor (Resistive Load)288.68 Amps
Real Power (kW / Watts)88.4 kW (88,400 W)
Apparent Power (kVA) & Reactive Power (kVAR)104.0 kVA / 54.79 kVAR
Equivalent Mechanical Horsepower (HP)118.55 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 104 kVA at 208V (3-Phase)?

At 208V Three-Phase AC, 104 kVA equals 288.68 Amps at an industrial power factor of 0.85 (or 288.68 Amps at unity power factor 1.0).

What size breaker and wire is needed for 104 kVA at 208V?

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.

Other Power Ratings & Voltages

5 kVA at 208V (3P)10 kVA at 208V (3P)15 kVA at 208V (3P)20 kVA at 208V (3P)25 kVA at 208V (3P)30 kVA at 208V (3P)45 kVA at 208V (3P)50 kVA at 208V (3P)75 kVA at 208V (3P)100 kVA at 208V (3P)150 kVA at 208V (3P)200 kVA at 208V (3P)250 kVA at 208V (3P)500 kVA at 208V (3P)104 kVA at 120V Single-Phase AC104 kVA at 208V Single-Phase AC104 kVA at 230V Single-Phase AC (IEC)104 kVA at 240V Single-Phase AC (NEC)104 kVA at 230V Three-Phase AC104 kVA at 400V Three-Phase AC (IEC Europe)104 kVA at 415V Three-Phase AC (UK / AU)104 kVA at 480V Three-Phase AC (US Industrial)104 kVA at 600V Three-Phase AC (Canada / Heavy)104 kVA at 24V DC Direct Current104 kVA at 48V DC Battery / Telecom Bus