Details: supply of new numerical over current/earth fault relay, (in 33kv feeder c&r panel) alstom/siemens/abb/ge t&e /schneider make suitable for various c&r panel with following features.(a) 2binary input, 2binary output, with 1 alarm output.(b) aux. supply: 110v dc(c) having aux current 1a, and voltage -110v.(d) having non directional inst. e/f & o/c and also time delayed o/c & e/f features.(e) communication interface rs-485 work of replacement & r etrofitting of old defective relays by new relays, by cutting the ms sheet of relay's size and mounting it with proper drilling and tightening with nut bolts, and painting the used ms sheet with same colour as panel and dismantling old defected relays. (consumable provide by contractor) rewiring in relay panel with proper dressing, ferruling and terminations in c&r panel. work should be done by skilled engineer's guidance. (consumable provide by contractor) work for commissioning and testing of new installed relays and all required tests should b
Sector: Transmission