⚡ Cu ρ (75°C): 0.0214 Ω·mm²/m 🔌 NEC / IEC Standards: NFPA 70 & IEC 60364 🇺🇸 US Grid Avg: $0.175/kWh 🇩🇪 DE Grid Avg: €0.345/kWh 🇸🇪 SE Elpris: 1.54 SEK/kWh 🇳🇴 NO Strøm: 1.17 NOK/kWh 🔩 Copper Ref: $9,650/t (2026-10-25)
🏭 Industrial Electrical Conversion · Three-Phase & Single-Phase

46 kW 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 46 kW on a 208V Three-Phase AC circuit.

Line Current (0.85 PF)150.22 AAt 1.0 PF: 127.68 A
Active / Apparent Power46.0 kW54.12 kVA · 28.51 kVAR
Recommended Breaker200 A (NEC)160 A (IEC Nominal)
Recommended Copper Wire2/0 AWGIEC Metric: 50 mm²

Engineering Breakdown for 46 kW at 208V

Input Rating46 kW (208V Three-Phase AC)
Amperage at 0.85 Power Factor (Industrial Motor/Transformer)150.22 Amps
Amperage at 1.00 Power Factor (Resistive Load)127.68 Amps
Real Power (kW / Watts)46.0 kW (46,000 W)
Apparent Power (kVA) & Reactive Power (kVAR)54.12 kVA / 28.51 kVAR
Equivalent Mechanical Horsepower (HP)61.69 HP
NEC 125% Continuous Circuit Breaker200 A
Minimum Copper Conductor (100 ft / 30 m, ≤3% Drop)2/0 AWG (NEC) / 50 mm² (IEC)

Frequently Asked Questions

How many amps is 46 kW at 208V (3-Phase)?

At 208V Three-Phase AC, 46 kW equals 150.22 Amps at an industrial power factor of 0.85 (or 127.68 Amps at unity power factor 1.0).

What size breaker and wire is needed for 46 kW at 208V?

For 150.22A continuous load, NEC requires a 125% rated breaker of 200A with 2/0 AWG copper conductors, while IEC standard sizing uses a 160A breaker with 50 mm² copper cable.

Other Power Ratings & Voltages

5 kW at 208V (3P)10 kW at 208V (3P)15 kW at 208V (3P)20 kW at 208V (3P)25 kW at 208V (3P)30 kW at 208V (3P)45 kW at 208V (3P)50 kW at 208V (3P)75 kW at 208V (3P)100 kW at 208V (3P)150 kW at 208V (3P)200 kW at 208V (3P)250 kW at 208V (3P)500 kW at 208V (3P)46 kW at 120V Single-Phase AC46 kW at 208V Single-Phase AC46 kW at 230V Single-Phase AC (IEC)46 kW at 240V Single-Phase AC (NEC)46 kW at 230V Three-Phase AC46 kW at 400V Three-Phase AC (IEC Europe)46 kW at 415V Three-Phase AC (UK / AU)46 kW at 480V Three-Phase AC (US Industrial)46 kW at 600V Three-Phase AC (Canada / Heavy)46 kW at 24V DC Direct Current46 kW at 48V DC Battery / Telecom Bus