Variable Frequency AC Power Supply 1.50Hz, 60Hz, adjustable ... 400Hz 2.Phase Voltage Range: 0~300V, 0-150V Variable Frequency AC Power Supply Specification:• Circuit Type: (IGBT) MPWM Pulse ... Voltage: +10%~+25%, -10%~-30% available for presetting.• Output Frequency: 50Hz, 60Hz, adjustable between 45 and 70 Hz, 400Hz• ... 12.5ALSP-5KVA5000W0~150V: 42A 150V~300V: 21A Variable Frequency AC Power Supply