Extremely wide voltage regulation range Maintenance free roller type carbon brush Individual regulation with unique small dimension Maximum capacity up to 5000kVA High mean time between failure (MTBF) Reliable and quiet servo motors Wheels mounted for easy installation Start up delay to prevent over current inrush Isolation transformer on requests Indoor or outdoor version on requests Broadcast: regulation for broadcast transmitter sites and studios Commercial: high-rise building, elevator control, large A/C chillers, lighting and other sensitive critical systems Industrial: industrial automation, process control, CNC, factory robotics and heavy load machinery Medical: X-ray, CT scanner, MRI system, radiation therapy machine and other medical imaging equipment Telecom: mobile base stations, exchanges stations, control centers and transmission relay stations