ME30A0503N01 is a 20W single-output external AC-DC power supply designed for medical applications requiring high reliability and regulatory compliance. The unit delivers 5.0V at 4.00A output with Class II desktop configuration and IEC60320 C8 receptacle input, meeting EN/IEC/UL60601-1 3rd edition safety standards and UL/EN/IEC60601-1-2 4th edition EMC requirements with 2 MOPP input-output isolation. Key technical specifications include ±1% line regulation, ±5% load regulation, 75mV pk-pk ripple and noise, and an overvoltage trip range of 5.75V-7.75V, with universal input range of 90-264Vac. The power supply achieves DoE Efficiency Level VI compliance, features an IP22-rated enclosure, >1,000,000 hours MTBF, and >8 year electrolytic capacitor life, making it suitable for medical instrumentation, diagnostic equipment, and portable medical devices requiring certified safety and EMC performance.