Product introduction:The input is 220V and the frequency is 50Hz,Website: , output is 12V 100W Ferrite Core Vertical Single Phase EI76*42 Transformer Power Supplies.Product parameter:ModelHSJ-EI76DC Power5VA to 400VAPrimaryAC 110V,115V,120V,127V,220V,230V, 240V or customizedSecondaryAC12V,24V,36V,48V,120V,240V or CustomizedFrequency50/60HzPhaseSinglePower factor0.9 to 0.98Efficiency≥96%Waveform distortion<0.1%Voltage regulation16-1.6%Output no-load loss0.5-10WTemperature rise≤85°CDielectric strength2000V,Without breakdown in 1 minuteInsulation resistorWinding insulation resistor o single phase≥2.2MΩOperational environmentAmbient temp. : -10°C~+60°CRelative humidity : ≤85%ApplicationInstruments, program-controlled switches, air conditioner, TV set-top boxes, audio systems, lighting systems, microwave oven, electric cooker, network devices, etc.Product feature:1) High efficiency, use good silicon sheet and good copper wire 2) Low heat generation, low noise 3) 3 frames or full isolation bobbin 4) Safe and dependable performance, reasonable design 5) Clean appearance and convenient installation. Shipping 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 guarantee 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: