EU PLUG.The EFFICIENT RT range are high-density double-conversion Online UPSs, adapted to power a wide range of devices such as servers, storage systems, VoP telephone devices,.network systems and med more→ical, as well as industrial.It is ideal for powering and protecting Blade Server systems with a high power factor.The height of only 2U means that the EFFICIENT RT range can be perfectly integrated into 19´´ rack cabinets.ZGR has always been concerned with energy saving and has introduced the ECO function to all UPS series, which minimizes consumption during normal operation and improves efficiency.