With 2 MOPP isolation, class I and II protection and high efficiency of at least 87.5 percent, our 310-watt AC-DC power supply for medical applications meets CEC level VI, UL, CUL, CE, ES60601-1, EN60601-1 and IEC60601-1 3rd Edition safety standards. This model also has a desktop package of 7.87" x 3.94" x 1.65", as well as short circuit, over temperature and over current protection.