These are basically step-down transformers reducing transmission/sub-transmission voltage to primary feeder level.
Standard Fittings
Primary bushings
Secondary bushings
Off circuit tap changer
Pressure relief device
Oil level Indicator
Filter valve
Drain valve
Rating & Diagram plate
Lifting lugs
Bottom mounting channels
Earthing terminal
Thermometer Pocket With Cap
Optional Fittings
Oil temperature indicator
Winding temperature indicator
Magnetic oil level gauge
Buchholz relay
On load tap changer
Conservator and Silica gel breather
Oil Filling Plug
Air Release Plug
HV / LV cable box
Rollers