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

5.5 kW to Amps at 240V Single-Phase AC (NEC)

Exact current (Amps), real power (kW), apparent power (kVA), mechanical horsepower (HP), breaker rating, and conductor size for 5.5 kW on a 240V Single-Phase AC (NEC) circuit.

Line Current (0.85 PF)26.96 AAt 1.0 PF: 22.92 A
Active / Apparent Power5.5 kW6.47 kVA · 3.41 kVAR
Recommended Breaker35 A (NEC)30 A (IEC Nominal)
Recommended Copper Wire10 AWGIEC Metric: 6 mm²

Engineering Breakdown for 5.5 kW at 240V

Input Rating5.5 kW (240V Single-Phase AC (NEC))
Amperage at 0.85 Power Factor (Industrial Motor/Transformer)26.96 Amps
Amperage at 1.00 Power Factor (Resistive Load)22.92 Amps
Real Power (kW / Watts)5.5 kW (5,500 W)
Apparent Power (kVA) & Reactive Power (kVAR)6.47 kVA / 3.41 kVAR
Equivalent Mechanical Horsepower (HP)7.38 HP
NEC 125% Continuous Circuit Breaker35 A
Minimum Copper Conductor (100 ft / 30 m, ≤3% Drop)10 AWG (NEC) / 6 mm² (IEC)

Frequently Asked Questions

How many amps is 5.5 kW at 240V (1-Phase)?

At 240V Single-Phase AC (NEC), 5.5 kW equals 26.96 Amps at an industrial power factor of 0.85 (or 22.92 Amps at unity power factor 1.0).

What size breaker and wire is needed for 5.5 kW at 240V?

For 26.96A continuous load, NEC requires a 125% rated breaker of 35A with 10 AWG copper conductors, while IEC standard sizing uses a 30A breaker with 6 mm² copper cable.