Yueqing Sandi Electric Co.,Ltd is one of the leading China 3000 watt inverter manufacturers,Website: , welcome to wholesale cheap 3000 watt inverter from our professional factory.Technical Parameters SDH-3000WFunction details:ModelSDH-3000-121SDH-3000-241SDH-3000-481SDH-3000-122SDH-3000-242SDH-3000-482Rated Power3000W3000W3000W3000W3000W3000WMax. Continuous Power6000W6000W6000W6000W6000W6000WDC input voltage12V24V48V12V24V48VAC output voltage110VAC220VACNo-load current1.3A0.65A0.32A1.3A0.65A0.32AAC output frequency50Hz/60HZAC output waveformPure Sine WaveWaveform distortionTHD<2%(Linear load)Efficiency>85%>88%>90%>85%>88%>90%DC input voltage range11-15V22-30V44-60V11-15V22-30V44-60VLow Voltage Alarm10.5+/-0.3V21+/-0.6V41.8+/-1.2V10.5+/-0.3V21+/-0.6V41.8+/-1.2VLow Voltage Shutdown9.5+/-0.2V19+/-0.3V38+/-0.4V9.5+/-0.2V19+/-0.3V38+/-0.4VOver Voltage Protection16+/-0.5V31+/-1V65+/-2V16+/-0.5V31+/-1V65+/-2VLow Voltage Recovery11.8+/-0.3V23.6+/-0.4V47.2+/-0.8V11.8+/-0.3V23.6+/-0.4V47.2+/-0.8VOver Voltage Recovery15.7+/-0.3V31.8+/-0.4V63V+/-1V15.7+/-0.3V31.8+/-0.4V63V+/-1V      Protective FunctionLow/Over voltage: LED  Red light, automatic recovery Over load: LED  Red light, automatic recovery Over temperature : LED  Red light, automatic recovery Short circuit: LED  Red light, automatic recovery Input reverse connection: Fuse burn-outWorking Temp. 0℃-40℃Storage Temp. Humidity-30℃-70℃Dimension480*240*140mmWight10.5kg