4400 Series 3 Phase UPS
The Toshiba 4400 Series uninterruptible power system (UPS) is the next-generation 3 phase UPS. The double-conversion, all insulated-gate bipolar transistor (IGBT) 4400 Series UPS features a digitally controlled IGBT input rectifier, an intelligent low harmonic pulse-width modulation (PWM) output, state-of-the-art electronic battery isolation circuitry, and an easy to …
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