Working and non-working net-1&2 power contactors, 3 pole, 1000v ac operational voltage, 50hz, suitable for 100kva, 750v ac, on load switching under ac-6a category at temperature of 70 c & coil voltage 110v +25 percent -30 percent dc at temperature of 70 c with surge suppressor, aux. contacts 2 no + 2nc confirming to rdso spec rdso/pe/spec/tl/0195 - 2019 ( rev. 0 ). for lslrd coach. make : 1) abb ( af 190 b-30-22rt-12 ) , 2) siemens (3rt10566la 068 k + 3rt 1955af 318k )3) l&t ( mo 140 ) , 4

Magnetic amplifier for 25 kw rectifier regulator unit make-m/s hmtd, part no.c-25020 or equivalent, confirming to rdso specification no. rdso/pe/spec/ac/0056-2014 (rev- percent u20181 percent u2019).

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)

Supply of converter on/off rotary used in lhb lslrd coaches . similar to rdso specification rdso/pe/spec/tl/0195-2019 (rev-0). material: lauritz knudsen part no. 16a-d16-61003-fhyrd or siemens or salzer or teknic or equivalent.

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

Blower motor for roof mounted packaged ac unit of electric locomotives, type: aom, 0.12kw, supply 415v ac +/- 10 percent , 3-phase, 0.4 amps, rpm 1350, star connection, reference is: 325, freq. 50hz, as per rdso spec. no. rdso/2007/el/spec/0055, rev.- 2 with latest if any. make: lhp or star electric. specification :- - rdso spec. no. rdso/2007/el/spec/ 0055, rev.-2

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

Carbon brush for main alternator (ta-17), blw pt no. 18420060, rdso percent u2019s spec no. mp.0.2400.60(rev.05), nov-2018

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,

Procurement of condenser motor, 0.15kw, supply 415v ac +/- 10 percent , 3-phase, 0.7amps, 63 frames, rpm1350, star connection, reference is: 325, frequency 50hz suitable for roof mounted cab ac unit in wag9 hc electric locomotives as per rdso spec. no. rdso/2007/el/spec/0055, rev. - 2, or latest if any.