The UEE Underground Substation brings reliable, configurable and efficient power conversion and distribution to mining and industrial settings in an extremely durable and mobile package that handles primary switching, voltage conversion and secondary distribution. Load specific modular feeders handle secondary distribution, and can easily be swapped out to accommodate changing distribution needs. Welded to HSS steel, the body is manufactured from 11ga steel and coated with a durable powder-coat finish. The enclosure provides NEMA 12 protection for the internal components. NEMA 3R protection is an option.