Power Distribution Inc. (PDI), a leading manufacturer of mission critical distribution equipment for the data center market, today announced the addition of the 400 amp Powerwave Bus System™ for data centers, industrial, and commercial power applications. This release complements PDI's release of the 160, 225, and 250 amp bus earlier this year. The Powerwave Bus System™ is a flexible overhead power distribution system that minimizes the costs and coordination for computer server adds and changes in a data center or commercial environment. All systems are available with PDI's patented Branch Circuit Monitoring System (BCMS) that gathers and reports loads at the branch circuit level for all tap off boxes to the building management system via Modbus RTU.