Start with the news release Emerson launches bulk front-end power supplies from Emerson Network Power - Embedded Power, which we summarised at the time by saying "Emerson Network Power has launched two high-efficiency bulk front-end power supplies for systems that use distributed power architectures. ". Several months prior to that, we featured the news release Rugged inverters produce pure power from Absopulse Electronics: "Modular inverter system can be factory configured for any output power from 2 to 6kVA.".
 
In July 2008, we covered the news from Absopulse Electronics - take a look at Heavy-duty supply survives industrial environments which says: "5kW AC/DC power supply is ruggedised and conformal coated to ensure resistance against high levels of shock, vibration and moisture.".
 
Take a look also at the news release from Seaward Electronic, Insulation test alternatives compared, as well as Leisure appliances create certification complexity from TUV Rheinland Group UK, and DC supply is ruggedised for industry from Absopulse Electronics.