WARRENDALE, Penn. – January 8, 2013 – With efficiencies of up to 93.4 percent, a high 0.9 output power factor and a lightweight, space-saving design, the three-phase DiamondPlus 1100 Series Uninterruptible Power Supply (UPS) unit from Mitsubishi Electric Power Products, Inc., has been named one of the top products of 2012 by Electrical Products & Solutions magazine.