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

15 kVA 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 15 kVA on a 48V DC Battery / Telecom Bus circuit.

Line Current (0.85 PF)312.5 AAt 1.0 PF: 312.5 A
Active / Apparent Power15.0 kW15.0 kVA · 0.0 kVAR
Recommended Breaker400 A (NEC)350 A (IEC Nominal)
Recommended Copper Wire400 kcmilIEC Metric: 185 mm²

Engineering Breakdown for 15 kVA at 48V

Input Rating15 kVA (48V DC Battery / Telecom Bus)
Amperage at 0.85 Power Factor (Industrial Motor/Transformer)312.5 Amps
Amperage at 1.00 Power Factor (Resistive Load)312.5 Amps
Real Power (kW / Watts)15.0 kW (15,000 W)
Apparent Power (kVA) & Reactive Power (kVAR)15.0 kVA / 0.0 kVAR
Equivalent Mechanical Horsepower (HP)20.12 HP
NEC 125% Continuous Circuit Breaker400 A
Minimum Copper Conductor (100 ft / 30 m, ≤3% Drop)400 kcmil (NEC) / 185 mm² (IEC)

Frequently Asked Questions

How many amps is 15 kVA at 48V (1-Phase)?

At 48V DC Battery / Telecom Bus, 15 kVA equals 312.5 Amps at an industrial power factor of 1.0 (or 312.5 Amps at unity power factor 1.0).

What size breaker and wire is needed for 15 kVA at 48V?

For 312.5A continuous load, NEC requires a 125% rated breaker of 400A with 400 kcmil copper conductors, while IEC standard sizing uses a 350A breaker with 185 mm² copper cable.

Other Power Ratings & Voltages

5 kVA at 48V (1P)10 kVA at 48V (1P)20 kVA at 48V (1P)25 kVA at 48V (1P)30 kVA at 48V (1P)45 kVA at 48V (1P)50 kVA at 48V (1P)75 kVA at 48V (1P)100 kVA at 48V (1P)150 kVA at 48V (1P)200 kVA at 48V (1P)250 kVA at 48V (1P)500 kVA at 48V (1P)15 kVA at 120V Single-Phase AC15 kVA at 208V Single-Phase AC15 kVA at 230V Single-Phase AC (IEC)15 kVA at 240V Single-Phase AC (NEC)15 kVA at 208V Three-Phase AC15 kVA at 230V Three-Phase AC15 kVA at 400V Three-Phase AC (IEC Europe)15 kVA at 415V Three-Phase AC (UK / AU)15 kVA at 480V Three-Phase AC (US Industrial)15 kVA at 600V Three-Phase AC (Canada / Heavy)15 kVA at 24V DC Direct Current