... supply AC into DC 4. 2Year warranty T-30 Series Triple Output Switching Power supply.Input voltage range85-132VAC/170-264VAC selected ... Voltage Adjustable RangeOutput Voltage ToleranceRipple & NoiseEffciencyT-30A5V,0.5~3.0A30WCH1:+10,-5%±2%50mV70%12V,0.1~1.0A+2,-6 ... ,0.1~0.5A+2,-10%50mVT-30B5V,0.5~3.0A33WCH1:+10,-5%±2%50mV72%12V,0.1~1.0A+2 ...