procurement of spares of meditron field switch units for krishnashila project :-1 secondary plug & socket-24 pin, part no. mv3301 2 comp.elect.operated mechanism, part no. mev4225 3 racking arm part no. mv3505 4 vaccum bottle-800 amp-20ka part no. me4527 5 trip coil part no. me4537 6 closing coil part no. me4538 7 limit switch part no. me4539 8 auxiliary switch-6 no + 6 nc part no. me4541 9 indicating lamp part no. me4543 10 trip neutral close switch part no. me4546 11 ammeter part no. mes4701 12 voltmeter part no. mes4702 13 ammeter selector switch part no. mes4703 14 voltmeter selector switch part no. mes4704 15 fuse base part no. mes4711 16 fuse base ( holder ) 415v ac, 32a part no. mes4712 17 earth leakage relay part no. mer5310 18 epoxy cast cbct-id-110 part no. mer5330 19 single ph.rectifier / power pack-110v part no. mer5340 20 3p non direct.idmt sta.relay-2o / c&1e / f part no. mer5520 21 master trip relay part no. mer5530 22 negative sequence voltage relay part no. mer5590 23 hv fuse link 6.6 kv part no. med2441 24 vaccum circuit breaker e0 800 amp. part no. medv6185