The Astrodyne ASM and BSM 400 Series are miniature open frame power supplies designed for medical applications. The ASM400 is Class 1 and BSM400 is Class 2 with 2 MOPP (method of patient protection) isolation and BF leakage current and have been certified by Underwriters Laboratories for compliance with the latest edition of the international medical safety standard, IEC 60601-1 3rd Edition using the CB reporting scheme. They are also certified to be compliant with the collateral standard 60601-1-2 for EMC and bear the UL Recognized component marks for North America and the EU and the CE mark.These products operate over the input voltage range of 90 to 264 VAC and 50, 60Hz frequency and produce 400 Watts of regulated DC output power in a standard 3 x 5 (inch) form factor that is 1U height compatible.