*nput voltage	Single-phase 220V Single-phase 110V	Overload/Short Circuit protection	Yes 20% overload,60 Min 40% overload,30 Min 60% overload,5 Min
*Accuracy of voltage stabilization	220V±3%;110V±6%	Over temperature protection value	115℃
*Frequency	50Hz/60Hz	Ambient temperature	-5~+45℃
*Adjusting time	95%(No Load)	*Waveform distortion	No additional waveform distortion
*Over-voltage protection value	246±4V (For 220V) 92±2V (For 110V)	Power factor	0.8
*Under-voltage protection value	184±4V (For 220V) 123±2V (For 110V)	Dielectric strength	1500V/ 1min
*Insulation resistance	≥2MΩ