Features:built-in Emi Filter100% Full Load Burn-in Testprotection:over Voltageover Currentshort Circuit1 Year Warrantyproduct Desc.:1.ac Input Voltage:88-264v Selected By Switch2.acnput Frequency:47-63hz3.dc Output Voltage Adjustment Range:+-5%+-10% of Rated Output Voltage4.output Overload Protection:110150% Constant Current Limiting, Auto-recovery5.output Voltage Protection:115150% of Rated Output Voltage6.withstand Voltage:ip-op:1.5kvac1min, Ip-fg:1.5kvac1min7.setup, Rise, Hold Up Time:1000ms, 50ms, 20ms At Full Load and 230vac8.working Temperature:-10 Deg C to +50 Deg C9.storage Temperature:-20 Deg C to +85 Deg C10.safety Standards:ul60950, En6095011.emc Standards:en5502212.mean Time Between Failures:>50, 000hours12.cooling Method: Cooling By Free Air Convection