... %1 phase50(47~63Hz)0V~300V1 phase45 Hz~70 Hz,100 Hz,200 Hz, 400 Hz,136/68.2≤0.05 ... (47~63Hz)0V~150V, 151V~300V1 phase45 Hz~70 Hz,100 Hz,200 Hz, 400 Hz,272/136≤0.05%≤1 ... types and technical data, please contact with us. variable frequency power supply