Air heater 400watt for heater assemblyas per part no. sr-075-1020 of m/s sidwal or equivalent rdso make for rmpu conf. to rdso specification no. rdso/pe/spec/ac/0061 - 2005 (rev -1), suitable for lhb type roof mounted ac package unit.

Pressure measuring rotary switch, as per part no sr-075 -1050 of m/s sidwal & type n4s29d/gb of kaycee make or equivalent to this of ge & salzer make only, as per sr no. 36 of bill of material (bom) of rdso specification no. rdso/pe/spec/ac/0061-2005(rev-1), suitable for use in rmpu type lhb ac coaches & conforming to rdso specification no. rdso/pe/spec/ac/0061-2005 (rev-1). accepted make: kaycee, salzar , ge , or any other rdso approved make.

High pressure controller for lhb ac coaches without capillary range 310-412 psi, ts-22/21 12-degree farhenite, 6/8a, 240-volt ac confirming to rdso spec.rdso/pe/spec/ac/0061-2005 (rev-2)

Control pressure (cp) switch, as per danfoss make cat no - acb 2uc 136 w or equivalent of alco make or equivalent part nos. of other oems of lhb rmpu ac coaches, as per rdso specification no. rdso/pe/spec/ac/0061-2005 (rev-1).

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).

Procurement of 110v brushless dc/ac universal fan 450mm sweep as per rdso specification no. rdso/pe/spec/tl/0021/2005 rev-3(amd-1) & rdso specification no. rdso/pe/spec/tl/0050 (rev-1) with ss guard, rubber gasket, connector & hardware included.

Flexible polymide conduit pipe size having inner dia 50mm, outer dia 54.4mm, plus minus 0.2mm (nw -48) conf. to rdso spec. no. rdso/pe/spec/ac/0138 -2009 (rev - 1)

Power connectors 24 pins with crimped terminal in rmpu make: harting make han e-type/widmuiller/phoenix/lapp or any other equivalent make having interchangeability of connectors and its parts with prior approval of rdso (part number as per annexure-vi) of rmpu of lhb ac coaches, conforming to rdso specification no. rdso/pe/spec/ac/0061-2005 (rev. 2) or latest

Hermitically sealed scroll compressor, suitable for r-407 c refrigerant gas, working on 415 vac, 50 hz, conforming to rdso specification no. rdso/pe/spec/ac/0061/2005(rev-1). make and model should be rdso approved. note: (i) emerson part no. zr 61 kce tfd522 / danfoss part no. mlz038t4 or any other make and model of equipment/component can only be considered with prior approval of rdso.

Single row deep groove ball bearing 6201zz for bldc railway carriage fan as per rdso spec no rdso/pe/spec/tl/0021/2005 (rev.-3), amendment no-1, make: skf/nbc/ fag only.