... Hz,100 Hz,200 Hz, 400 Hz,136/68.2≤0.05%≤1%≤2%(Linear load)≥80%over-current,over-load ... ~70 Hz,100 Hz,200 Hz, 400 Hz,272/136≤0.05%≤1%≤2%(Linear load)≥80%over-current,over-load ... ×820×1050 For more types and technical data, please contact with us. variable frequency power supply