True On-line DSP Based UPS with Unity Power Factor
The Liebert Super 400D is a true Online sine wave UPS system that provides the user with clean computer-grade power for continuous operation of his critical load, regardless of any disturbance on the upstream AC power. The system offers many innovative features to give the user maximum reliability and flexibility at the lowest operating cost. With the Liebert Super 400D UPS system, you have complete peace of mind.