... %,110v±3%,220v±3%,Under-voltage protection180v±4v(set acording to users requirement,gnerally not set)Over-voltage protection246v±4vEfficency>90 ... full-load condition)Frequency 50-60HzWaveform distoration No additional distorationMax rated output current0.5KVA 2A,1KVA 4A,1.5KVA 6A,2KVA 8A ... °CRelative hunidityLess than 90%MODEL AND SPEC. Spec.&Model(KVA)Rated Power(VA)Packing Sizes(cm)PCS/CTN G.W(KG ...