tender for supply and commissioning of bcpu 132kv line feeder relay at 220/132/33 kv substation raja ka talab under electiricty transmission division-i, varanasi - supply of siemens/ge/abb/schneider make bcpu with ocef relay (sas type) with 30 di, 20 do, single fiber optic port with iec-61850 suitable for 132kv line feeder at 220kv s/s raja ka talabvaranasi. 2 retrofitting of new bcpu relay with proper mounting and re-wiring in existing panel with proper dressing, ferruling and termination, work for retrofitting, configuration and testing on new bcpu with directional ocef functionality including preparation of bcpu mimic diagram as per schematic complete testing of bcpu (7, 50/51n) with feeder parameters & checking the tripping of various faults with the help of relay testing kit omicron