Supply Of Isolator, 420kv, 2000a, 50ka For 3s, 3-ph, Hdb Type Iso Individual Pole Motor Oper, Elect. Ganged With 01 E/s, Individual Pole Motor Oper, Elect. Ganged, Along With Op. Mech. & Other Acc. Ex. Insu, Struc & Term Connector Etc. (EXPIRED)