CFE400M Medical Power Supplies TDK-Lambda CFE400M series Medical Power Supplies are 400W fan-cooled medical power supplies with medical and ITE safety certifications (BF rated). The CFE400M Series has 94% efficiency and 0.5W standby power and meets ERP/Eco-Design (2009/125/EC) and Climate Savers Gold Level. The TDK-Lambda CFE400M power supplies feature high power density and 450W peak loading (10s) and are suitable for 1U applications. Typical applications are those in medical, industrial, test, communications, broadcast, and renewable markets.