ON LOAD CHANGEOVER SWITCH: ON LOAD CHANGEOVER SWITCH (With Sheet Enclosure) Supply and erection of On Load Change over Switch with advance neutral UNIT in sheet enclosure on the existing surface. (Confirms to IS 13947 (PartIII). complete with G.I. Bolts, Nuts etc. according to the size of holes in the body of the enclosure & Connection on both sides of switch with sutiable size of Thimbles as per PWD General Specifications 2010. 1000amp. 415 volts four Pole on load change over switch with advance neutral UNIT in sheet enclosure