The 9900B UPS from Mitsubishi Electric is a three phase, online double-conversion system, featuring our advanced IGBT technology and expertise for enhanced UPS performance and reliability. As the best-selling UPS in the 250.1-500 kVA range*, the 9900B UPS delivers all-around dependability:
97% efficiency in double conversion
Small footprint create more data center real estate for income-generating IT equipment
Ease of maintenance via front access to pull-out trays
Low heat rejection to save on cooling costs
Capacitors with a 15-year design life
Distributed bypass design for multimodule operation
The 9900B UPS is Lithium Ion, VRLA, VLA, and Pure Lead compatible for greater flexibility.