27.5 kW to Amps at 48V DC Battery / Telecom Bus
Exact current (Amps), real power (kW), apparent power (kVA), mechanical horsepower (HP), breaker rating, and conductor size for 27.5 kW on a 48V DC Battery / Telecom Bus circuit.
Line Current (0.85 PF)572.92 AAt 1.0 PF: 572.92 A
Active / Apparent Power27.5 kW27.5 kVA · 0.0 kVAR
Recommended Breaker800 A (NEC)600 A (IEC Nominal)
Recommended Copper Wire2× 1000 kcmil (Parallel)IEC Metric: 2× 400 mm²
Engineering Breakdown for 27.5 kW at 48V
| Input Rating | 27.5 kW (48V DC Battery / Telecom Bus) |
| Amperage at 0.85 Power Factor (Industrial Motor/Transformer) | 572.92 Amps |
| Amperage at 1.00 Power Factor (Resistive Load) | 572.92 Amps |
| Real Power (kW / Watts) | 27.5 kW (27,500 W) |
| Apparent Power (kVA) & Reactive Power (kVAR) | 27.5 kVA / 0.0 kVAR |
| Equivalent Mechanical Horsepower (HP) | 36.88 HP |
| NEC 125% Continuous Circuit Breaker | 800 A |
| Minimum Copper Conductor (100 ft / 30 m, ≤3% Drop) | 2× 1000 kcmil (Parallel) (NEC) / 2× 400 mm² (IEC) |
Frequently Asked Questions
How many amps is 27.5 kW at 48V (1-Phase)?
At 48V DC Battery / Telecom Bus, 27.5 kW equals 572.92 Amps at an industrial power factor of 1.0 (or 572.92 Amps at unity power factor 1.0).
What size breaker and wire is needed for 27.5 kW at 48V?
For 572.92A continuous load, NEC requires a 125% rated breaker of 800A with 2× 1000 kcmil (Parallel) copper conductors, while IEC standard sizing uses a 600A breaker with 2× 400 mm² copper cable.
Other Power Ratings & Voltages
5 kW at 48V (1P)10 kW at 48V (1P)15 kW at 48V (1P)20 kW at 48V (1P)25 kW at 48V (1P)30 kW at 48V (1P)45 kW at 48V (1P)50 kW at 48V (1P)75 kW at 48V (1P)100 kW at 48V (1P)150 kW at 48V (1P)200 kW at 48V (1P)250 kW at 48V (1P)500 kW at 48V (1P)27.5 kW at 120V Single-Phase AC27.5 kW at 208V Single-Phase AC27.5 kW at 230V Single-Phase AC (IEC)27.5 kW at 240V Single-Phase AC (NEC)27.5 kW at 208V Three-Phase AC27.5 kW at 230V Three-Phase AC27.5 kW at 400V Three-Phase AC (IEC Europe)27.5 kW at 415V Three-Phase AC (UK / AU)27.5 kW at 480V Three-Phase AC (US Industrial)27.5 kW at 600V Three-Phase AC (Canada / Heavy)27.5 kW at 24V DC Direct Current