... batteries, PCB board manufacturing industryLED products, motors and dc fans test,Electrofacing, electrolyzation, electronic components ageingLaboratory , ... (threshold valuecurrent limitation protection switch mode power supply features:single phase, single output dc power supplyconstant voltage and ... power supply specifications:Model No: LW1530KDInput voltage: single-phase 220V±10% 50Hz or 110V±10% ...