... / EMC / LVD/ RoHS2. Output wave form: Pure sine wave output (THD<3%)3. Power ON-OFF switch4. Thermo control cooling fan5. ... /30.5V /61.2V Over Load Shut Off Output Over Thermal Shut Off Output Automatically Fuses Short Circuit Environment Working Temperature ... our QC department. Functioning Test: Outlook, Input voltage, Output voltage, Frequency, Socket type, Protection functions(Low battery voltage ...