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

17.5 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 17.5 kVA on a 48V DC Battery / Telecom Bus circuit.

Line Current (0.85 PF)364.58 AAt 1.0 PF: 364.58 A
Active / Apparent Power17.5 kW17.5 kVA · 0.0 kVAR
Recommended Breaker500 A (NEC)400 A (IEC Nominal)
Recommended Copper Wire500 kcmilIEC Metric: 240 mm²

Engineering Breakdown for 17.5 kVA at 48V

Input Rating17.5 kVA (48V DC Battery / Telecom Bus)
Amperage at 0.85 Power Factor (Industrial Motor/Transformer)364.58 Amps
Amperage at 1.00 Power Factor (Resistive Load)364.58 Amps
Real Power (kW / Watts)17.5 kW (17,500 W)
Apparent Power (kVA) & Reactive Power (kVAR)17.5 kVA / 0.0 kVAR
Equivalent Mechanical Horsepower (HP)23.47 HP
NEC 125% Continuous Circuit Breaker500 A
Minimum Copper Conductor (100 ft / 30 m, ≤3% Drop)500 kcmil (NEC) / 240 mm² (IEC)

Frequently Asked Questions

How many amps is 17.5 kVA at 48V (1-Phase)?

At 48V DC Battery / Telecom Bus, 17.5 kVA equals 364.58 Amps at an industrial power factor of 1.0 (or 364.58 Amps at unity power factor 1.0).

What size breaker and wire is needed for 17.5 kVA at 48V?

For 364.58A continuous load, NEC requires a 125% rated breaker of 500A with 500 kcmil copper conductors, while IEC standard sizing uses a 400A breaker with 240 mm² copper cable.