General Electric 9T21J3002 power transformer is a 3-phase device with a 480V primary and a 208Y/120V secondary, designed for 60 Hz operation and housed in a 3R enclosure. This GE transformer provides stepped-down power for facilities that require 120V line-to-neutral and 208V line-to-line on the secondary, compatible with typical commercial and industrial electrical systems. Part number 9T21J3002 identifies this unit in GE's catalog and confirms the 3R enclosure configuration.
