The Series 900 Power Commander Single Phase (15 kVA – 150 kVA) is a high-performance magnetic voltage regulator designed for demanding testing and precision power applications. It delivers exceptionally tight voltage and load regulation with less than 5% harmonic distortion, ensuring stable, clean power for sensitive equipment. With superior fault-clearing capability, adjustable output voltage, and remote sensing to correct voltage drops, it safeguards critical systems while maximizing performance. Ruggedly built with a 20-year design life, minimal moving parts, and high efficiency up to 94%, the Power Commander is a reliable, low-maintenance solution for long-term operation.
Specifications
- Voltage Regulation: ± 1% or better for input fluctuations of +10% to -20%, and from no load to full load
- Frequency Range: 57–63 Hz (60 Hz models) 48–52 Hz (50 Hz models)
- Output Voltage Adjustment: Adjustable to ± 10% via internal potentiometer
- Correction Time: 5–9 cycles under worst-case conditions
- Harmonic Content: Less than 5% THD added under linear load
- Efficiency: 91% to 94%, KVA size dependent
- Overload Capability: 500% for 10 seconds; 1000% for 1 cycle
- Single-Phase Sizes: 15 kVA, 25 kVA, 37.5 kVA, 50 kVA, 75 kVA, 100 kVA, 150 kVA


