Relay earth fault to power circuit (qop) [relay earth fault to power circuit (qop) du type conforming to clw specification no.clw/es/r-27/alt z. or latest, m/s autometers alliance ltd., part no.ka210013r0064p or similar]

Vcb clamp (metal copper ec) as per rdso letter no. rdso-el/2.2.21 dated: 27.04.2026 with enclosed as per drawing.

Air compressor (auxiliary) as per clw spec. no clw/es/3/0197, alt-1 or latest and rdso str no. rdso/2007/el/str/0015, rev-1 or latest for wag9/wap7 locos.

Supply and installation of isolation switch for starter battery in power car as per rdso letter no. el/0.6.2 / da set dated 05.04.2022 modification sheet no. rdso/pe/ms/ac/0086-2022( rev 0) .

Blower for oil cooling unit with casing including 30 kw motor (wound with corona resistance wire) to rdso specification no. rdso/2016/el/spec/0123 rev 1 or latest and clw drawing no. clw/es/3/sk-3/0647 alt b or latest for 3 phase locomotive. clw approved sources only.

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

Stick type master controller along with stand and connecting cables as per rdso specn no: rdso/2012/el/spec/0040/rev.1 march 2012 or latest. to be procured from clw approved source only.

Disconnecting and earthing device, 8 pole, 2 way, without off, on load 125 amps at 1000v ac, 2no+2nc and with heavy handle and pad locking arrangement in one position, mounted in a stainless steel enclosure, suitable for ac 23 duty and conforming to iec60947 maximum depth including handle 480mm suitable for switch board cabinet of lhb ac coach as per rdso letter no. el/7.1.108/mssbc dated 17.09.2021 & rdso letter no. el/6.8.21/tl-ac committee dated 11.05.2023 and rdso specification no. rdso/pe

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

Spring loaded switch, momentary release, hand operated mushroom head non latching push button switch without enclosure; front dimension 39 mm, cut-out dia 22.5mm, color- blue, as per clw spec no. clw/es/3/0044 embossing confirming to rdso/2024/el/ms/0505 (rev. 1) dated 25/02/2025.