3 phase measuring and monitoring relay rated voltage looo v ac for net 1 net 2 as per rdso spcn. no. rdso/pe/spec/ac/0184-2015(rev.1)

Contactor (with diode) for ventilation fan unit 1 & 2 condenser cd1. 1, cd1.2, cd 2.1 cd 2.2 heater 1 & 2, rated current: 16 a (at rated voltage & ac-3 utilization category) rated voltage: 690 v ac main pole: 3 no aux contact: 1nc, control voltage: 77-143 v dc with surge suppressor make: siemens (3rt2018-1bf42 3rt2916-1jl00) and lk (l&t) (cs965671 ooo +cs96586 oooo) as per bill of material of rdso spec. no. rdso/pe/spec/ac/0184 percent u20132015 (rev-2) or latest

Mpcb, current rating: 16 a, thermal release range: 10-16 a, class: 10, breaking capacity: 10ka, pole: 3 p, voltage rating: 415 v ac conforming to rdso spec. no. rdso/pe/spec/ac/0184 - 2015 (rev. 0) as per drg.no. nil specn: rdso spec. no. rdso/pe/spec/ac/0184 - 2015 (rev. 0)

Contactor for net 1 & 2 rated voltage: 1 [contactor for net 1 & 2 rated voltage: 1000 v a. c, rated kva- 100 at rated voltage & 70 .

Mpcb (motor protection circuit breaker), for ventilation fan unit 1& 2. thermal release range (rated current) 2.5-4 a, class: 10, breaking capacity: 50ka, pole: 3p, rated voltage: 415 v ac, 1no+1nc auxiliary contact block, conforming to rdso spec. no. rdso/pe/spec/ac/0192-2018 (rev.1).

Feeder contactor, current rating 200 amps, voltage rating 750v ac main pole : 4 nos, aux contact : 2no +2nc, control voltage 380-415v ac with surge suppressor for net-1 & net-2 in sbc of double decker coaches confirming to item no 57& 58 of bom of rdso specification no rdso/pe/spec/0184-2015(rev-2)

Feeder contactor, current rating 200 amps, voltage rating 750v ac main pole: 4 nos., aux contact: 2no + 2nc, control voltage-380-415v ac with surge suppressor for net-1 & net -2 in sbcof lhb ac coaches confirming to item no. 57 & 58 of bom of rdso specification no. rdso/pe/spec/ac/0184-2015 (rev-0). [ warranty period: 30 months after the date of delivery ]

Contactor 3 pole, 32 amp. capacity suitable for 690 v, 50 hz ac, coil voltage 77-143 v dc with auxiliary contact 1 nc with surge suppressor as per rdso common bill of material vide rdso letter no. el/7.1.108/mssbc dt. 17/09/21

Hrc fuse link (din type) 25amp, 415 /500v ac breaking cap 120ka, size 000,conf. to rdso specification no. rdso/pe/spec/ac/0184 - 2015 (rev-1).

High voltage hrc fuse of 125 amps, 1000 v ac, breaking capacity 80 ka, type nh1l as per rdso spec. no. rdso/pe/spec/ac/0184-2015 (rev-1) or latest and as per update of common bom items issued by rdso lr. no. el/7.1.108/mssbc, dated 17.09.2021 or latest, to siba cat. no. 2028003.125, eaton bussman cat. no. 125nh1lir-1000, eti cat. no. 4182495, efen, ferraz and siemens makes only acceptable. note: regular authorized dealers shall submit authorization letter from oems along with the offer.