... Voltage Range: 0~300V, 0-150V Variable Frequency AC Power Supply Specification:• Circuit Type: (IGBT) MPWM Pulse Duration Modulation• Input: 220V± ... Voltage: +10%~+25%, -10%~-30% available for presetting.• Output Frequency: 50Hz, 60Hz, adjustable between 45 and 70 Hz, 400Hz• Load ... Voltage Stabilization Rate: ≤ 0.5%• Frequency Stabilization Rate: 0. 1% (Fix Point 50Hz, 60Hz and 400Hz ...