Mpcb for compressor unit 1.1, 1.2, 2.1 & 2.2, heater 1 & 2 rated current: 7-10a thermal release range:10-16a, class:10, breaking capacity: 10ka, pole:-3p, rated voltage:- 415vac as per rdso letter no. el/7.1.108/ mssbc dt. 17.09.2021 annexure (bom) sr. no. 39.

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

Snap lock non lockable with finger pull equivalent to dirak part no. 353- 2070.04-00000 of dirak suitable for door leaves of switch board cabinet of lhb eog ac coaches as per specification no. rdso/pe/spec/ac /0184-2015 (rev 0) & rdso letter no. el/7.1.108/ mssbc dated 17.09.2021. make-dirak/southco/arihant/ darshana only as per sr. no. 78 of rdso letter no. el/7.1.108/mssbc dated 17.09.2021

Contactor for net 1 & 2, rated voltage: 1000 v ac, rated kva 100 at rated voltage and 70 degrees c and utilization category 6 a, main pole 4, auxiliary contact: 2 no + 2 nc, control voltage: 415 v ac with surge suppressor with open type connections for l1, l2, l3, l4 terminals 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, dt. 17/09/21 or latest to schneider cat. no. lc1d1150046n5 +la4da2n +ladn22,

Din type high voltage hrc fuse net 1 and net 2, rated current: 125 amps, rated voltage: 1000 v ac, breaking capacity: 80ka suitable for use in lhb eog/hog type ac coaches conforming to rdsos ltr. no. el/7.1.108/mssbc dtd. 17.09.2021. acceptable make : siba [2028003.125] / efen / eti [4182495] / siemens / eaton bussmann [125nh1lir-1000].

Dc to dc converter for switch board cabinet of lhb ac coaches-110/24 v, 240w,10a. as per rdso letter no.( update on common bom) el/7.1.108/mssbc dt.17/09/2021 make-m/s.abb part no cp-c.1.24/10/m/s.cosel-klea240f240f-24/m/s.ask powertech-ask-cs-24v,10a/m/s.siemens-6ep13363ba10/m/s.phoenix-trio-ps-2g/1ac/24dc/10-2903149 only. on common bom) el/7.1.108/mssbc dt.17/09/2021 make-m/s.abb part no cp-c.1.24/10/m/s.cosel-klea240f240f-24/m/s.ask powertech-ask-cs-24v,10a/m/s.siemens-6ep13363ba10/m/s.phoe

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)

Rod latch suitable for closing of door of switch board cabinet control panel of lhb type a.c. coaches 5116877-52168944486 and as per specification no. rdso/pe/spec/ac /0184-2015 (rev 2) & rdso letter no. el/7.1.108/ mssbc dated 17.09.2021, accepted make- dirak part no 208-9025.00-00000, arihant, southco, darshana.

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).

Motor protection circuit breaker (mpcb) for compressor unit and heater unit, current rating 7-10 amp, thermal release range 10-16 amp, class-10, breaking capacity 10ka, 3-pole, voltage rating 415 v ac, conforming to is/iec 60947-2; conforming to rdso spec. no. rdso/pe/spec/ac/0184-2015 (rev. 1); suitable for use in switch board cabinet of lhb type ac coaches. accepted make & cat. /model no.: rdso-approved make and model as per serial no. 39 of rdso letter no. el/7.1.108/mssbc dated 17.09.2