Our Distribution Transformers with Built-In HT AVR range is ordinarily a pilot component that is a 3 ported 2 place valve. It holds high-performance amid loss of intensity, henceforth, the bi-stable name is derived for our range. This equipment collection can be installed with a mechanical detent and 2 contradicting magnetic locks with a soft loop. It is held in position attractively when impelled. Sliding spool of our Distribution Transformers with Built-In HT AVR range is tube shaped in cross segment, and the terrains are round/hollow. It has circle like sections and terrains as gaps bored through them.