|
IRS Specifications
|
|
SN |
Specification no. |
Effective from |
Description |
|
1. |
IRS:S 1-62 |
1962 |
Galvanized solid steel wire for signalling purposes |
|
2. |
IRS:S 3-61 |
1961 |
Galvanized steel wire rope for signalling purposes |
|
3. |
IRS:S 5-62 |
1962 |
Point Rodding |
|
4. |
IRS:S 6 –81 |
1981 |
Tubular steel signal poles |
|
5. |
IRS:S 7–92 |
1992 |
Roundels & lenses |
|
6. |
IRS:S 8–62 |
1962 |
Signal lamp burner |
|
7. |
IRS:S 10–78 |
1978 |
Mechanical signalling & interlocking equipment |
|
8. |
IRS:S 11-62 |
1962 |
Double wire signalling ropes 6x19
|
|
9. |
IRS:S 12–62 |
1962 |
Double wire interlocking frame |
|
10. |
IRS:S 13–62 |
1962 |
4 mm (8 SWG,0.1670”) Signal wire rope for double wire signalling |
|
11. |
IRS:S 14–62 |
1962 |
5 mm (6 SWG,0.192”) Point wire rope for double wire signalling |
|
12. |
IRS:S 15-65 |
1965 |
Double wire compensators |
|
13. |
IRS:S 17-75 |
1975 |
Channel pins(for bonding track circuit wires)
|
|
14. |
IRS:S 19-2000 |
2000 |
DC IRS Post Type Electric Signal Reverser |
|
15. |
IRS:S 21-2001 |
2001 |
Electric key transmitter Rev.1
|
|
16. |
IRS:S 22-2016 Ver 1.0 |
28.04.2016 |
Double line block instrument |
|
17. |
IRS:S 23–88 Amdt.1 |
25.07.2017 |
Electrical & Electronic Based Signalling and Interlocking Equipments
|
|
18.
|
|
08.01.2025
|
Electric Point Machines (Non-Trailable Type)
|
|
19. |
IRS:S 25–97 |
1997 |
Electrical signal machine |
|
20. |
IRS:S 26-64 |
1964 |
Colour light signal, multi-unit type |
|
21. |
IRS:S 27–64 |
1964 |
Signal and Point indicator lamp |
|
22. |
IRS:S 28–64 |
1964 |
Single wire interlocking frame |
|
23. |
IRS:S 29–64 |
1964 |
Double wire rotary detector (Vertical type) |
|
24. |
IRS:S 30–64 |
1964 |
Key lock ‘E’ type
|
|
25. |
IRS:S 31–80 |
1986 |
DC polarized relay-3 position |
|
26. |
IRS:S 32–66 |
1966 |
Push Button type single line tokenless block instrument |
|
27. |
IRS:S 34–68 Amdt. 6 |
25.07.2017 |
Testing Railway Signalling Relays (General) |
|
28. |
IRS:S 35–93 |
1993 |
PVC insulated aluminum screened cables for Rly. signalling |
|
29. |
IRS:S 36–87 |
1987 |
Route relay interlocking systems |
|
30. |
IRS:S: 37 -2022 Ver. 2.0 |
01.01.2022 |
Motor for Electric Point Machine |
|
31. |
IRS:S 38–70 |
1970 |
Automatic Warning System (ac inductive type) |
|
32. |
IRS:S 39–82 |
1982 |
Motors for Electric signal machine |
|
33. |
IRS:S 40–84 |
07.05.2002 |
Nylon insulated joints-Nylon components
|
|
34. |
IRS:S 42–85 |
1985 |
Axle counting equipment |
|
35. |
IRS:S 46–74 Amdt.1 |
25.07.2017 |
D.C. Neutral Line Relay (proved type) for Railway Signalling |
|
36. |
IRS:S 47–74 |
1974 |
Insulators for mechanical wire transmission
|
|
37. |
IRS:S 48–74 |
1974 |
Inspection & Testing SM’s control frame |
|
38. |
IRS:S 49–74 |
1974 |
Electric point detector |
|
39. |
IRS:S 57–2005 |
01.03.2005 |
Electric lamps for railway signalling |
|
40. |
IRS:S 59–77 |
1977 |
Colour light signal transformer
|
|
41. |
IRS:S 60-78 Amdt.1 |
25.07.2017 |
A.C. Immunization Characteristics of D.C. Neutral, Tractive Armature Miniature Plug - in type Line Relays for Railway Signalling |
|
42. |
IRS:S 61–2000 Amdt.3 |
25.07.2017 |
Fail Safe Electronic Time Delay Device for Railway Signalling |
|
43. |
IRS:S 62-92 |
1992 |
Current transformer for lamp proving |
44.
|
IRS:S 63–2014 Rev.4 |
30.07.2014 |
PVC insulated underground unscreened cables for Railway signalling |
|
IRS:S-63-2014 Rev. 4 & Amdt.1 (Draft) |
23.12.2014 |
Cross Linked Polyethylene (XLPE) insulated, PVC sheathed, underground, unscreened, Power & signaling cable for Railways (for trial only) |
|
45. |
IRS:S 65–83 |
1983 |
Choke coil for single rail track circuit on 25 KV ,50 Hz AC electrified section B-Type Choke) |
|
46. |
IRS:S 66–84 |
1984 |
Route indicator, direction type 5 lamp unit arm (1 to 6 way) |
|
47. |
IRS:S 67–85 Amdt.3 |
25.07.2017 |
Silver Impregnated Graphite Contacts for Railway Signalling Relays |
|
48. |
IRS:S 68–89 |
1989 |
Filter unit for use in conjunction with Block instruments in 25 KV Hz AC traction areas |
|
49. |
IRS:S 71–87 |
1987 |
Tag blocks ( Tentative) |
|
50. |
IRS:S-72 Ver. 1.0 |
23.04.2015 |
Transformer 230/110 V for 1 - 5 KVA for signaling purposes |
|
51. |
IRS:S 74–89 |
1989 |
FERRO-RESONANT TYPE AUTOMATIC AC VOLTAGE REGULATOR |
|
52. |
IRS:S 75–2006 |
01.03.2006 |
Terminal blocks & Fuse blocks for signalling installations |
|
53. |
IRS:S 76–89 |
1989 |
PVC insulated indoor cables for Railway signalling |
|
54. |
IRS:S 77–2006 |
01.01.2006 |
120/160/200 Way tag blocks for signalling installations. Rev.1 |
|
55. |
IRS:S 78–2006 |
2006 |
Non deteriorating type of low voltage electric fuses for Railway signaling |
|
56. |
IRS:S 79–92 |
01.11.2004 |
Multiway isolating terminal block (barrier type) for signalling installations |
|
57. |
IRS:S 80–92 |
1992 |
Indicating type of low voltage Non- Deteriorating fuse links for signalling circuits |
|
58. |
IRS:S 82–92 |
1992 |
Inverter for Railway signalling installation ON LINE applications. |
|
59. |
IRS:S 83–92 |
1992 |
Indication supply transformer (step down) for Railway S & T installations
|
|
60. |
IRS:S 84–92 Amdt.3 |
25.07.2017 |
Solar photovoltaic Module |
|
61. |
IRS:S 85 –92 |
1992 |
Dual Bank charger with twin bank low maintenance lead acid batteries for use on block line. |
|
62. |
IRS:S 86–2000 |
02.08.2005 |
Battery charger for Railway S & T installations |
|
63. |
IRS:S 87–92 |
1992 |
AC inductive type of Auxiliary warning system (for suburban section) |
|
64. |
IRS:S 88–2004 |
02.11.2004 |
Low maintenance Lead acid stationary secondary cells |
|
65. |
IRS:S 89–2013 |
14.08.2013 |
Track feed battery charger |
|
66. |
IRS:S 91-2014 |
2014 |
Transformer -Rectifier set
|
|
67. |
IRS:S 93–96 |
1996 |
Valve Regulated (Sealed) Lead Acid Stationary Battery & Charger for Railway S&T Installations |
|
68. |
IRS:S 95-96 |
1996 |
SITEL Primary cell |
|
69. |
IRS:S 96-2000 |
2000 |
DC-DC Converter |
|
70. |
IRS:S 97-2000 |
2000 |
Glass fiber reinforced nylon –6 Signalling components |
|
71. |
IRS:S 98–2001 |
2001 |
Single Line tokenless block instrument - Handle TypeF
|
|
72. |
IRS:S: 99 – 2006 |
05.04.2006 |
Data Logger System for Railway S&T Installation |
|
73. |
IRS:S 100-2002 |
2002 |
Electric Lamp Filament Switching Unit for C.L.S. |
|
74. |
IRS:S 101-90 |
1990 |
Railway Signaling symbols |
|
75. |
IRS:S 103-2004 |
2004 |
Welding material for track ckt. applications to make reliable & permanent electrical bond connection between two conductors.
|
|
76. |
IRS:S:104/2012 Ver. 0 |
24.12.2012 |
Universal Fail safe Block Interface (UFSBI) |
|
77. |
IRS:S: 105/2012 Ver. 0 |
13.09.2012 |
Block Proving by Axle Counter using UFSBI (BPAC) |
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