Ponton Industries

Medium Voltage drives (2300V - 13.8kV)   

Air Cooled (300HP - 9,000HP)

Siemens

Robicon Gen IV and Gen IIIe

Water  Cooled (3000 HP - 20,000 HP)

Siemens

Robicon WCIII

When packaged with a VFD

Siemens

Robicon W120CP 
Robicon W150CP