Product introduction:We are Shenzhen supplier, this is small size 12V40W Single Output  Switching Power Supplies for Health Care with High Reliability.Product parameter:Item ModelHSJ-40-12DC output12V 3.2AOutput current range0-3.2AOutput power (Watts)40WWave and noise120mVp-pInlet stability±0.5%Load stability±1%Working efficiency82% DC volt adjust range10.8-13.5VAC input voltage range90~264VAC 47~63Hz;248~370VDCOverload protection105%~135%, Pulsing hiccup shutdown; Reset, auto recoveryOver-voltage protection15-16VHigh-temp protectionRTH3>=65°C FAN ON<=55°C FAN    OFF>=80°C Cut off output(5~15V)RTH3>=70°C FAN ON<=60°C FAN    OFF>=85°C Cut off output(24~48V)Temp coefficient±0.03%°C(0~50°C)Setup rise hold up time200ms,50ms,20msWithstand voltageInput and output interval,1.5KVAC,Input and enclosure,1.5KVAC,Output and enclosure,0.5KVACIsolation resistanceInput and output interval,Input and enclosure,Output and enclosure,500VAC/100M OhmsWorking temp and humidity-10°C~+50°C,20~90%RHStorage temp and humidity-20°C~+85°C,10~95%RHItem size100*58*30mm or 39.4*22.8*11.8inWeight0.2Kgs /150pcs /ctnNote: The testing condition for the parameter above is 230VAC inputProduct feature:• Small size, light in weight• Free air cooling• Universal AC input range• Low power consumption, high reliability• 24months warranty• More than 50,000 hoursShipping and servicing:We will deliver goods according to your request, you can choose DHL, UPS, FedeX, TNT, special line, Air Cargo, Sea Cargo, etc.Our power supplies are strictly tested before sale. The warranty is two-years, during this period, we will repair the products for free if the malfunction is caused by the quality of our products.Recommendations: