Mitsubishi 9900B

The best selling UPS in its range
With over 2000 units in North America alone, the Mitsubishi Electric 9900B is the standard for UPS systems in the 500-750 kVA range. Like all other Mitsubishi Electric three phase uninterruptible power supplies, the 9900B utilizes proprietary Insulated Gate Bipolar Transistor (IGBT) technology and advanced digital control to provide the highest levels of reliability and efficiency in mission critical backup power.