ME30A0503C01 is a 20W single-output external AC-DC power supply designed for medical applications requiring high reliability and regulatory compliance. It delivers 5.0V at 4.00A output with a ripple and noise specification of 75mV peak-to-peak, line regulation of ±1%, and load regulation of ±5%. The unit operates from a universal AC input range of 90-264Vac at 47-63Hz, with full rated output power maintained up to +40°C ambient temperature and applicable derating at higher temperatures. It features 2 MOPP input-output isolation, meets EN/IEC/UL60601-1 3rd edition safety standards and UL/EN/IEC60601-1-2 4th edition EMC requirements, and includes IP22-rated enclosure protection. With an MTBF exceeding 1,000,000 hours and E-cap life greater than 8 years, this Class II wall-plug model with fixed North American blades is ideal for portable medical devices, diagnostic equipment, and other regulated healthcare applications requiring compact, efficient power conversion.