Details: details of work retrofitting of new draw out sas based numerical over-current earth fault protection relay of approved specification 6di, 8do, type standard iec-60255, protocol iec-61850, communication ethernet port-2 via rs. 485 & usb port. & ip-54, (lan-1 & lan-2), in-1amp., 50,60 hz, il-1amp., uh-110-250volt ac/dc. vender make like m/s ge/abb/simens/ashida/schneider. opening of terminations of control cables on existing electromechanical relay with new numerical oc/ef protection relay. removal of protection relay & housing of electromecanical relay from panel cabinet in relay panel and preparation of panel front by cutting & adding new backlight sheet for placement of housing of new relay by proper connecting on panel front & covering with beading in relay panel of following 33 kv feeders at 132kv s/s sarila and 132kv s/s patara, hamirpur control panels, including prepration of interconnection drawing and testing & commissioning work and all t&p and labour etc.
Sector: Transmission