Variable Frequency AC Power Supply 1.50Hz, 60Hz, adjustable between 45 ... 2.Phase Voltage Range: 0~300V, 0-150V Variable Frequency AC Power Supply Specification:• Circuit Type: (IGBT) MPWM Pulse ... digital power indicator, resolution 1W Power Factor Meter Resolution 0.001• Protective Devices: Over load, short circuit, over voltage, ... -5KVA5000W0~150V: 42A 150V~300V: 21A Variable Frequency AC Power Supply