8/2/2019 0100_t5 Draft Technical Specification
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GOVERNMENT OF INDIA MINISTRY OF RAILWAYS
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RESEARCH DESIGNS AND STANDARDS ORGANISATIONMINISTRY OF RAILWAYS
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RDSO/PE/SPEC/PS/ 0100(REV. 1)-2008
DRAFT TECHNICAL SPECIFICATION FOR DOUBLE-CAPPED TUBULAR T5
FLUORESCENT LAMPS, T5 LUMINAIRE & ELECTRONIC BALLAST
S
N
Date of
Amdt. & No.
Rev. Reason of amendment
1. 11.01.2010
Amndt-1
0
i) Clause 2.6 of Section - IA, IB and IC, clauses 4.3, 4.4 and 4.5 of Section-IAclauses IIC & IID of Section-II, and clauses IIIA and IIIB of SectionIIdeleted.
ii) Clauses 2.4 and 6.1 of Section IA, IB and IC, clauses 5, 12 & 16 of SectioIIA and IIB, clauses 7, 8, & 9 of Section-III- D (i) & (ii), and clauses III-C III-E of Section-III amended.
iii) Clause 3.1, Annexure-A 19, Ballast Description Table, clauses 17, 18, 19 20 of Section-IIA, and clauses A1, A2, A3, A4, B1 and B2 of Section-IIIadded.
2. 05.07.2011 1 This revision has rationalized the spec and has introduced major editorichanges to improve its readability and clarity.
Approved by
Executive Director (EM)
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DRAFTTECHNICAL SPECIFICATION FOR DOUBLE-CAPPEDTUBULAR T5 FLUORESCENT LAMPS, ELECTRONIC
BALLAST & T5 LUMINAIRES
0.0 Foreword
The T5 lamp is an increasingly popular development in fluorescentlighting and it is being used worldwide. The T5 technology offersadvantages of higher illumination, life, efficiency and reliability. The aimof this specification is to standardize the T5 fluorescent lamp, ballast andluminaires for adoption on the Indian railways (IR).
1.0 Scope
This specification covers the design, manufacturing and testing of14W/24W/28W/54W T5 tubular fluorescent lamps complete withluminaires, mounting accessories and electronic ballast for workingunder the operational and environmental conditions encountered duringservice on the IR.
The following is a section-wise list of items covered by this specification:
Section I: T5 Lamps (14/24/28/54W)
Section II: High frequency electronic ballast for T5 lamps
Section III: Luminaires for T5 lamps (luminaire types are listed below)
(i) Luminaire with PVC housing channel with/without Acrylic cover
(ii) Powder coated CRCA sheet luminaire
(iii) Mirror optic luminaire
(iv) Enclosed luminaire
(v) Luminaires suitable for streetlights
2.0 Reference standards
IEC-60081 Double-capped T5 Tubular FluorescentLamps Performance specification.
IS: 2418 (Pt. I to IV) Specification for T5 Tubular Fluorescent
Lamps for General Lighting Services.
IEC 60061-1 Lamp caps and holders together with gauges
for the control of interchangeability and
safety Part 1: Lamp caps.
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IEC 61195 Double-capped T5 Tubular Fluorescent
Lamps Safety specifications.
IS: 5081 Specification for glass tube for fluorescent
lamps.
EN 50 285 Specification for energy efficiency
Council Directive
98/11/EC
Annex IV For energy efficiency
EN 61000-3-2 Harmonics
EN 61547 Immunity
EN 61347-2-3 Safety
EN 60929 Performance
IEC 68-2-6FcIEC 68-2-
9Eb
Vibration & bump test
IEC 60598-2-1 Fixed general purpose luminaire
IEC 60598-1 General requirement and tests
CISPR 15, EN
55015/BS 55015
Limit and methods of measurement of radio
disturbance characteristics for RFI
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Atmosphere Extremely dusty and desert weather
and desert terrain in certain areas.
The dust content in air may reach
values as high as 1.6mg/cum.
Coastal area The equipment shall be designed to
work in corrosive atmosphere,
keeping in view, the following
conditions:
ph value: 8.5
Sulphate: 7 mg/litre
Concentration of chlorine: 6 mg/litre
Conductivity: 130 micro siemen/cm
Annual rainfall Ranging between 1,750 to 6,250 mm
with thunder storm
Altitude Not exceeding 1200 m (altitude may
vary up to 2000 m in J&K area.)
Vibration and shocks Maximum vertical acceleration 3.0g
Maximum lateral acceleration
3.0g Maximum longitudinal
acceleration 3.0 g (g being the
value of acceleration due to gravity)
3.2 The T5 Tubular Fluorescent Lamp including its fitting completewith luminaires, mounting accessories and electronic ballast shall besuitable for rugged service throughout India, in the above mentionedvarying climatic conditions. The design of fittings, including allaccessories, shall be suitable to work in the vicinity of 25KV, 50 Hztraction system.
3.3 The complete luminaire for outdoor application shall be protectedagainst dust and water as per IP-65. All other types of luminaires shallconform to IP-20.
3.4 The specification lays down a minimal list of type and acceptancetests. But this will in no way limit the right of RDSO/ purchasersrepresentative to call for any additional tests, if the same is considerednecessary for ensuring quality.
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SECTION I
SPECIFICATION FOR T5 TUBULAR LAMPS
A. Specific requirements for T5 tubular fluorescent lamps
1.0 Dimensions
Rated wattage 14 W & 24W 28 W & 54W
Nominal dimensions 550 mm x 16 mm 1150 mm x 16 mm
Base phase to base
phase
549.0 mm max. 1149.0 mm max.
Base phase to end of
opposite cap pins
556.1mm max.
553.7mm min.
1156.1mm max.
1153.7mm min.
From ends ofopposite pin
563.2mm max. 1163.2mm max.
Diameters 17.0mm max. 17.0 mm max.
Cap G-5 G-5
2.0 Mechanical
2.1 The dimensions of caps on a finished lamp shall conform to IEC60061-1.
2.2 Both the pins (excluding flanges) of the two caps of a finished lampshall pass simultaneously, freely without winding, through parallel slots,suitably spaced longitudinally to receive the lamp. The slot shall be 2.87mm wide.
2.3 The caps shall be attached to the tubes strong enough towithstand torsion test in accordance with IEC: 61195, with a torsionmoment of 0.5 Nm applied gradually.
2.4 The shell of the lamp shall be of leadfree glass. The caps shall beresistant to atmospheric corrosion. Certificate to this effect should be
submitted by the manufacturer.
2.5 The lamp shall be environment friendly and mercury content of thepill used should be less than or equal to 3.2 mg.
2.6 It shall have a highly efficient single-layer 3-band tri-phosphorfluorescent coating specially designed for operation with electronic gearand suitable for dimming.
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3.0 Electrical and cathode characteristics
3.1 The initial reading of the power dissipated by a lamp shall not
exceed the rated wattage, specified on the relevant lamp data sheet, bymore than 5 % + 0.5 W.
3.2 The insulation resistance between the shell and the contacts of capshall not be less than 2 mega ohms measured with a 500V DC megger.
3.3 The contacts shall be evenly pin punched to ensure satisfactoryengagement and electrical contact in the appropriate holder.
3.4 T5 lamps should comply to the following Cathode characteristicsas per IEC 60081:-
Property / Lamps 14 W 24 W 28 W 54 W
Test current, A 0.160 A 0.350 A 0.160 A 0.480A
Resistance
ateach cathode,
in ohms ( )
Rated 40 12 40 8
Minimum 30 9 30 6
Maximum 50 15 50 10
3.5 T5 lamps should comply to the following Electrical characteristicsas per IEC 60081:-
Property/Lamps 14 W 24 W 28 W 54 WFrequency, kHz 20 - 26 20 - 26 20 - 26 20 - 26
Rated lamp voltage
(r.m.s.)
86 V 77 V 166 V 120 V
Min.lamp voltage (r.m.s.) 76 V 69 V 149 V 110 V
Max.lamp voltage (r.m.s.) 96 V 85 V 183 V 130 V
Rated lamp current 0.165 A 0.295 A 0.170 A 0.455 A
4.0 Colour and photometry
4.1 Rated luminous flux and colour with reference ballast shall be asfollows (the details in respect of reference ballast can be seen in sub-section 4.3):-
T5 lamp of color 4000K at 25
degree C
T5 lamp of color 6500K at
degree C
Lamps 14 W 24 W 28 W 54 W 14 W 24 W 28 W 54 W
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Rated
Luminous
Flux
1200
lumens
1715
lumens
2600
lumens
4450
lumens
1100
lumens
1560
lumens
2400
lumens
4050
lume
Colour
Designation
Cool
white
Cool -
white
Cool -
white
Cool -
white
Day
Light
Day
Light
Day
Light
Day
LighColour
Temperature
4000
deg. K
4000
deg. K
4000
deg. K
4000
deg. K
6500
deg. K
6500
deg. K
6500
deg. K
6500
deg.
Colour
Rendering
Index (Ra)
> 80 > 80 > 80 > 80 > 80 > 80 > 80 > 80
Chromaticity
Coordinates
x
0.380
x
0.380
x
0.380
x
0.380
x
0.313
x
0.313
x
0.313
x
0.31
y
0.380
y
0.380
y
0.380
y
0.380
y
0.337
y
0.337
y
0.337
y
0.33
4.2 The maximum luminous flux for T5 lamps shall be obtained at anambient temperature of 34C to 38C. Typical luminous flux values at35C are as follows:-
Sr.No. Colour
temperature
in K
14W 24W 28W 54W
1 4000 1350lumens
2000lumens
2900lumens
5000lumens
2. 6500 1250lumens 1850
lumens
2700
lumens
4550
lumens
The manufacturer should submit certificate for complying the abovementioned values.
4.3 The Reference Ballast, complying to IEC 60081, should have thefollowing characteristics :-
T5 lamp at 25 degree C
Lamp 14 W 24 W 28 W 54 W
Frequency, kHz 20 - 26 20 - 26 20 - 26 20 - 26
Rated Voltage, V 167V 150V 329V 235V
Calibration current, 0.170A 0.300A 0.170A 0.460A
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A
Resistance in ohms
()
500 250 950 255
5.0 Rated luminous flux
It is the quantity derived from radiant flux by evaluating the radiationaccording to its action upon the CIE standard photometric observer. Theunit of luminous flux is lumens.
5.1 The initial reading of the luminous flux of a lamp shall be not lessthan 92 % of the rated value.
5.1 The initial reading of the chromaticity co-ordinates x & yshall be
within 5 SDCM (Standards Deviation for Colour Matching) from thestandardized rated value as per Annex. D of IEC 60081.
5.2 The initial reading of the general colour-rendering index (Ra) shallnot be less than the rated value decreased by 3.
5.3 The lumen maintenance of the lamp shall not be less than 95% ofthe initial lumen after 2000 burning hours, 91% of the initial lumen after6000 hours, and 90% of the initial lumen after 12,000 hours.
6.0 Rated life
It is defined as the number of burning hours after which 50% of thelamps survive under controlled burning conditions.
6.1 Rated life shall not be less than 15,000Hrs on a preheat/warmballast and IEC cycle (a three hours cycle i.e. 165 minutes on, 15minutes off). The lumen maintenance and life test shall be done as perAnnexure C of IEC 60081-97.
7.0 Starting
7.1 Starting test shall be conducted as per Annex A of IEC 60081-97.
7.2 T5 lamps should comply to the following Starting characteristics asper IEC 60081:-
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T5 lamp at 25 degree C
Lamp 14 W 24 W 28 W 54 W
Frequency, kHz 20 - 26 20 - 26 20 - 26 20 26
StartingAid Distance, mm 6 6 6 6
Preheat Current, A 0.210A 0.440A 0.210A 0.720A
Preheat Time, sec 2 2 2 2
Open Ckt Voltage (r.m.s), V 230V 250V 375V 520V
Starting Time, sec 0.1 0.1 0.1 0.1
B. General requirements for all lamps
1.0 Safety
All the lamps shall comply with the safety requirements as per IEC61195. The manufacturer should submit a certificate for this.
2.0 Tests
Sampling for tests (type, acceptance and routine) shall be done as per IS-2418. The tests shall be conducted by consignee/ purchaser orrepresentative of consignee/ purchaser at firms premises. The list oftests to be conducted are summarized in a table that follows. For certaintests, previous type test reports/conformance certificates can be relied
upon. However, the manufacturer cannot demand this as a matter ofright.
Sl.
No.
Name of test Type
Test#
Routine
Test
Acceptance
Test
Method
1.0 GENERAL
a) Visual
Examination
b) Dimension IEC 60081
Clause 1.5.3
c) Pin Punching
d) Burn-in Test
2.0 MECHANICAL
a) Mechanical
Strength: Torsion
IEC 61195
b) Lead Free Glass -----
c) Mercury Content & & -----
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3.0 ELECTRICAL and
CATHODE
a) Insulation
resistance
between Shell &Contacts of Cap
IEC 61195
Clause 2.4.1
b) Cathode
Resistance
IEC 60081
Clause 1.5.5.
& Annex. Bc) Initial Lamp
Voltage
4.0 COLOUR &
PHOTOMETRY
a) Rated Luminous
flux
IEC
60081Clause
1.5.6 &Annex. B
b) ColourTemperature
c) CRI
d) Lumen Output at
25 Deg C
5.0 RATED
LUMINOUS FLUX
a) ChromaticityCoordinate
IEC 60081Clause 1.5.6
& Annex. Bb) Initial CRI Value
c) Lumen
maintenance* IEC 60081
Annex. C
6.0 RATED LIFE
a) Rated Life * IEC 60081Annex. C
7.0 Starting
a) Starting Test IEC 60081
Clause 1.5.4& annex A.
# Until the railways are able to issue their vendor list, they may in the interim periodinvite tender/ place order with the provision of acceptance test alone, in instanceswhere such recourse is considered necessary. In absence of any mention to thecontrary in the tender and purchase order, it will be deemed that both type-test aswell as acceptance test will need to be carried out
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* Normally, type-test certificates shall be accepted for the same. But RDSO reserves itsright to ask for this type-test to be repeated and to witness the same
& Conformity Certificate to be submitted
3.0 Marking
The following information shall be distinctly and indelibly marked on thelamp.:-
i) Trademark and/or name of manufacturerii) Rated wattiii) Colour designation/temperatureiv) Rated luminous flux in lumen or marking to indicate the
luminous flux as per manufacturers catalogue
The manufacturer should also indicate the following on the cover of thepacking of each T5 lamp.:-
i) Indian Railway Insigniaii) Month/Year of manufactureiii) Rated luminous flux in lumens.
4.0 PACKING
Packing of the lamps should be in individual sleeves
5.0 Technical details to be furnished by the purchaser in hisrequisition are given in Annexure A and technical data to befurnished by the tenderer in his offer are given in Annexure B
*********
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SECTION II
SPECIFICATION FOR ELECTRONIC BALLAST FOR T5 LAMPS
This section prescribes the requirements of electronic ballast foroperation of T5 fluorescent lamps without the need of starters, chokesand capacitors.
A. Specific requirements for high frequency electronic ballast forT5 lamps
To have better reliability, there shall be a separate ballast for each lampi.e. a 2X28W luminaire will have two ballasts and 4x14W luminaire willhave 4 ballasts dedicated for each lamp. The following table summarizes
the requirements of various ballasts covered by the spec.:
Table 1
S.No. Description Type of Ballast
14W 24W 28W 54W Integrated
for 1X28W
1. Rated
Voltage
240V ac/ 50Hz
2. Rated
Current(max.
0.08A 0.12A 0.18A 0.28A 0.18A
3. Input voltage 180 to 265V AC
4. Power
consumption
a) Ballast
(Max.)
3W 4W 4W 7W 4W
b) Power
output to
the lamp
from
ballast
>=13W >=23W >=27W >=52
W
>=27W
5. Power Factor 0.98 0.98 0.98 0.98 0.97
6. Temperature
range
-10oC to 50oC
1. Power consumption - Power consumption of ballast shall be aslow as possible and not higher than the values specified in table 1.
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Conversely, the power output to the lamp from ballast shall not be lessthan the values specified in the table.
2. In case of mains voltage fluctuation within 92% to 106% of rated
voltage, the luminous flux shall not change by more than of 2%.
3. The ballast shall withstand over voltage for 48 Hrs at 320V. Itshould also withstand 350V at 60oC for 2 hours. During last 15 minutes,the circuit shall be switched ON (at 350V) /OFF at least 10 times andthere shall be no malfunctioning of the ballast and the ballast shallfunction normally. The aforesaid test will be a type-test. Duringacceptance tests, the ballast should be tested at 350V for 2 hours at60oC and the circuit shall be switched ON (at 350V)/ OFF at least 10times during last 15 minutes and there shall be no mal-functioning ofballast and the ballast shall work normally.
4. There shall be an automatic restart after lamp replacement or witha voltage dip down to 30% in duration of 10 mains cycles.
5. The operating frequency of output voltage shall be greater than 40KHz and waveform shall be quasi-sine wave.
6. Operating Voltage The operating voltage range on which theballasts should work shall be 135V to 300V. The ballasts should be ableto comply all requirements mentioned in the table 1 for the input voltagerange 180V to 265V.
7. Illumination efficiency The ballast factor shall be more than0.95.
8. Abnormal condition protection: The ballast shall have protectioncircuit in case faulty lamp of same wattage is connected.
9. Moisture resistance & insulation protection - After storage of48Hrs at 91-95% relative humidity and 20-30C, the insulationresistance shall be >2 M ohm with 500V DC megger.
10. Surge/Immunity/Dips/Burst test: The ballast shall comply withIEC 61547.
11. Power factor The power factor of ac electronic ballast shall begreater than specified in the table.
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12. Starting time: The ballast shall be warm start ballast as per IEC60929. Ignition time shall less than 2 seconds.
13. Total harmonic Distortion: The ballast shall conform to IEC
61000-3-2 and have input current harmonic distortion of < 10%.However, the ballast shall meet the individual harmonics requirementsas per IS: 13021 (Pt.-2).
14. Safety:The electronic ballast shall be complying with IEC 61347-1for safety and IEC 60929 for performance standards.
15. The ballast shall be designed for a max case temp of 75 C.
16. Construction: The ballast shall be of light weight steel sheet(powder coated) or plastic/fiber of fire retardant UL94-V0 grade.
17. The Fast switching cycle (average, 1min/3min on/off) shall be>=6000 times (for 1 burner) at rated voltage.
18. The lamp current crest factor shall be less than 1.7.
19. The section of internal wiring shall exceed or equal to 0.5mmsquare.
20. PCB used in the ballast shall be min 1.2mm thick glass epoxy or1.5mm FR-1 sheet.
21. Abnormal conditions
21.1 Removal of Lamp
During operation of the electronic ballast with fluorescent lamp, the lampwill be removed from the fitting for a period of one hour withoutswitching OFF the supply. At the end of this period the lamp shall bereconnected and shall start and operate normal. For reset of ballast,switch off for 30s is permissible.
21.2 Lamp fails to start (cathode intact electrically)
With the appropriate dummy cathode resistor connected in place of eachlamp cathode, electronic ballast shall operate at the maximum value ofthe voltage range for one hour. At the end of this period, the resistorshall be removed and the specified lamp shall be connected and it shall
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start and operate normally. For reset of ballast, switch off for 30s ispermissible.
21.3 Incorrect Wiring
There shall be no ballast failure in case of incorrect wiring at lampside.
21.4 Electrode Broken/Emitter Exhausted
The electronic ballast shall have a safety feature of a stop circuit in caseof electrode being broken or emitter exhausted. For reset of ballast,switch off for 30s is permissible.
21.5 The electronic ballast shall be designed to withstand short circuit
across the ac output terminals, overload and failure of electroniccomponents without any fire hazards. For reset of ballast, switch off for30s is permissible.
21.6 The current drawn from the supply at any of the voltages in thevoltage range, shall not be more than 115% of the value obtained at therated voltage.
B. General Requirements for all type of electronic ballast
1.0 All ballasts/PCBs must have batch number, make and month &
year printed on them.2.0 Tests
Sampling for acceptance tests shall be done as given in Table-10under column (N1+N2) of IS-1534/part-1. The tests shall beconducted by consignee/ purchaser or representative ofconsignee/ purchaser at firms premises. The list of tests to beconducted are summarized in a table that follows. For certaintests, previous type test reports/conformance certificates can berelied upon. However, the manufacturer cannot demand this as amatter of right.
S.
No.
Description Type
Test#
Routine
Test
Acceptan
ce Test
Method
1. Visual Examination
2. Rated Current (max.) As per IEC 60929
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3. Power consumption As per IEC 60929
4. Power Factor As per IEC 60929
5. Operating frequency
of output voltage and
wave form
As per Clause 5 of
Section II Part A
6. Illumination efficiency As per IEC 60929
7. EMI As per CISPR 15
8. Surge/Immunity/Dip
s/ Burst test
As per IEC 61547
9. Starting time As per IEC 60929,
60081
10. Total harmonic
Distortion and
individual harmonics
As per IEC 61000-
3-2, IS 13021 Part 2
11. Crest factor As per IEC 60929
12. Moisture resistance &
insulation
@
As per IEC 61347-1
13. Provisions for
protective earthing
As per IEC 61347-1
14. Protection against
accidental contact
with live parts
As per IEC 61347-1
15. Electric strength As per IEC 61347-1
16. Abnormal condition
protection
16.1 Removal of lamp As per IEC 61347-1
16.2 Lamp fails to start
(cathode intact
electrically)
As per IEC 61347-1
16.3 Incorrect Wiring As per IEC 61347-1
16.4 Electrode
Broken/EmitterExhausted
As per IEC 61347-1
16.5 Short Ckt, etc (one
sample
per lot)
As per Clause 21.5
of Section II of specs
17. Creepage distance &
clearance
As per IEC 61347-1
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18. Resistance to heat,
fire & tracking
As per IEC 61347-119. Resistance to
corrosion
As per IEC 61347-120. Change of Luminous
Flux
As per Clause 2 ofSection II of
specification
21. Overvoltage
withstanding
(2%
sample)
As per Clause 3 of
Section II of
specification
22. Fast Switch Cycle (one
sample
per lot)
As per Clause 18 of
Section II of
specification
23. Operating voltage
range
As per Clause 6 of
Section II of
specification
24. Endurance @ As per IEC 60929
25. PCB material and
thickness
$
# Until the railways are able to issue their vendor list, they may in the interim periodinvite tender/ place order with the provision of acceptance test alone, in instances
where such recourse is considered necessary. In absence of any mention to thecontrary in the tender and purchase order, it will be deemed that both type-test aswell as acceptance test will need to be carried out.
@Type test certificate to be produced in lieu of test
$Certificate of conformity with regard to material of PCB is required to be furnished inlieu of test
3.0 Technical details to be furnished by the purchaser in hisrequisition are given in Annexure A and technical data to befurnished by the tenderer in his offer are given in Annexure B
*******
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Section III
This section prescribes the requirements of different type of luminairesfor T5 fluorescent lamps. In the market, various types of luminaires are
available and new types will get added from time to time. Further, theusers will have different type of requirements for different environments.Keeping this in view, general requirements for luminaires have been laiddown and in addition requirements have also been prescribed for specifictypes of luminaries. In their indents, railways will need to mention thespecific luminaire type required by them.
A. General requirements for T5 luminaires
1. It shall be luminaire suitable for T5 fluorescent Lamp.
2. The gear along with the other accessories shall have in builtelectronic ballast, which may be a separate ballast or integratedballast with luminaire as per requirement.
3. The type of fitting or housing channel shall be specified by users e.g.PVC channels, CRC channel, with reflector, without reflector etc.
4. The Lamp holder shall be G5 type.
5. The material used in rotor holders for contact with pins of lamps
should be made of phosphor bronze.
6. The fixing clamp shall be sturdy to avoid its falling during vibrationsor sudden pressure of wind generated during passage of train, etc.
7. Base, end caps and other caps shall be made of fire retardant andheat resistant material which meet the requirements specified inIEC/ IS specifications.
8. Fitting shall be provided with an insulated cable for mains
connector.
9. Suitable mounting arrangement as specified by user shall beprovided. The mounting instructions shall be provided along withevery luminaire.
10.The fitting shall be packed in a poly bag, besides the outercard board box.
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11.The luminaire shall confirm to IEC 60598-2 with regards toapprobation.
12.The photometric results obtained during type testing shallremain the benchmark for any photometric tests done laterfor that type of luminaire of same manufacturer.
B. Additional features for luminaires of T5 fluorescent tubularlamps with PVC housing channel with/without Acrylic cover.
1. The housing channel shall be sturdy, non conductive and made upof corrosion and rust free PVC.
2. The fitting shall conform to electrical insulation class II whicheliminates the necessity of separate earthing.
3. Fitting shall be suitable for mounting on wall, ceiling, as well assuspension.
C. Additional features for powder coated CRCA sheet luminaire ofT5 fluorescent tubular lamps
1. Luminaries shall be made of a 0.5mm CRCA channel wired with
electronic ballast inside.
2. All the sheet metal parts shall be pretreated by seven tankprocess and powder coated using epoxy polyester powder. Themanufacturer shall submit a certificate to this effect.
3. The housing channel shall be powder coated with coatingthickness of 45-65 micron (test certificate to be submitted by themanufacturer) and colour shall be gloss white.
4. The powder coated CRCA sheet channel should have speciallydesigned plastic end supports for lamp holders.
5. The fitting shall conform to electrical insulation class I withprovision of separate earthing bush.
6. Fitting shall be suitable for mounting on wall, ceiling, as well assuspension.
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7. Termination: The luminaire shall be complete with control gearsand pre-wired upto a terminal block.
8. The luminaires shall have replaceable ballast.
D. Additional features for mirror optic fitting for T5 Tubularlamps
1. Mounting: The luminaire shall be suitable for surface mounting aswell as suspension/recess mounting
2. Termination: The luminaire shall be complete with control gearsand pre-wired upto a terminal block.
3. Optical System - High efficiency mirror assembly of highquality pre anodized Aluminium with faceted side reflectorand diffused white lamella. For ease of re-lamping it shall befixed with the housing by specially designed springmechanism so that it can be hinged also from one side.
4. Mounting - There shall be a provision for suspension/recessmounting through 19mm dia conduit via 2 nos. EVA grommets ordirect fixing by screws on ceiling.
5. The optical compartment shall comprise of a special gear covercum reflector that enhances efficiency.
6. The optical system shall be fixed on the luminaire by a speciallydesigned robust clip-on mechanism and can be hinged to thehousing during re-lamping / maintenance.
7. Housing of luminaire shall be rigid.
E. Additional features for enclosed luminaire suitable for T5linear fluorescent lamps (outdoor application)
This type is generally suitable for the Indian Railways platforms/openareas.
1. The luminaire shall be able to withstand functional shock,vandalism, dust and be water jet proof.
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2. The housing shall be made of polycarbonate with min thickness of1.6mm.
3. Cover shall be of UV stabilized polycarbonate with min thickness of
1.3mm. The cover shall be of clear polycarbonate and haveserrated patterns.
4. The luminaire shall have an IP rating of IP65.
5. The luminaire shall have a impact resistance of IK08 level
6. All external hardware including toggles shall be of stainless steel
7. The reflector shall be of powder coating for better reflectivity.
8. The gear tray containing all the accessories shall be made of0.5mm cold rolled rust free stainless steel and shall be replaceable.
9. The gear tray shall accommodate all electrical accessoriesincluding electronic ballast.
10. Mounting shall be decided based on requirement.
F. Additional features for T5 luminaires suitable for streetlights
1. It shall be made with CRCA sheet as per sub-section C.
2. The housing shall be fabricated from deep drawn sheet aluminumstove enameled white or powder coated with coating thickness of45-65 micron .
3. The end caps may be made of impact-resistant engineering plasticfor sturdy and excellent corrosion-resistant construction.
4. The Gear tray cum reflector shall be made of CRCA sheet steelepoxy powder-coated white.
5. The Gear tray shall accommodate all electrical accessoriesincluding electronic ballast.
6. The Acrylic cover shall be made from clear methyl methacrylatesheet.
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7. Six or more numbers of toggles shall be provided for fixing theacrylic cover on to the canopy of the luminaire.
8. It shall be suitable for side mounting with the help of U clamps
provided on the canopy for pole diameter of max. 28mm outer diaor pipe mounting arrangement or pipe fixing.
9. The luminaire shall be protected against ingress of dust andmoisture with rubber gaskets provided in the housing.
10. The gear tray shall accommodate all electrical accessoriescomprising of electronic ballast.
11. It shall conform to IP65.
G. Tests
Sampling for tests (type, acceptance and routine) shall be done asper IS-10322. The tests shall be conducted by consignee bypurchaser or representative of consignee by purchaser at firmspremises. The list of tests to be conducted are summarized in atable that follows. For certain tests, previous type testreports/conformance certificates can be relied upon. However, themanufacturer cannot demand this as a matter of right.
S.
No.
Description Type
Test#
Routine
Test
Acceptance
Test
Method
1 Visual
Examination
2 Provision for
Earthing
As per IEC 60598-
1
3 Protection
against Electric
Shock
As per IEC
60598-1
4 Resistance to
dust, objects
and moisture
As per IEC
60529
5 Insulation
resistance
As per IEC
60598-1
6 Electric strength As per IEC
60598-1
7 Endurance test As per IEC
60598-1
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8 Thermal test
(normal)
As per IEC
60598-1
9 Thermal test
(abnormal)
As per IEC
60598-1
10 Resistance to
heat
10.1 Ball pressure
test
As per IEC
60598-1 Clause
13.2
11 Resistance to
flame and
ignition
11.1 Needle-flame
test
As per IEC
60598-1 Clause13.3
11.2 Glow-wire As per IEC
60598-1 Clause
13.3
12 Resistance to
tracking
As per IEC
60598-1 Clause
13.4
13 Resistance to
corrosion
As per IEC
60598-1 Clause4.18 /clause 8 of
IS 10322(part 4)
14 Photometry 15 Powder Coating
thickness of
housing channel
(applicable to
CRCA fittings)
As per clause 3sub-section C of
Section III
# Until the railways are able to issue their vendor list, they may in the interim periodinvite tender/ place order with the provision of acceptance test alone, in instanceswhere such recourse is considered necessary. In absence of any mention to thecontrary in the tender and purchase order, it will be deemed that both type-test aswell as acceptance test will need to be carried out.
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H. Technical details to be furnished by the purchaser in hisrequisition are given in Annexure A and technical data to befurnished by the tenderer in his offer are given in Annexure B
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Annexure - A
Technical details to be furnished by the purchaser in his requisition
1. Lampa) Wattage of lampb) Color temperature (in degree Kelvin)c) Material to be accepted on type or acceptance test reports
2. Ballast (if required separately)
a)The T-5 lamp wattage for which ballast is requiredb) Material to be accepted on type or acceptance test reports
3. Luminaire
a)The T-5 lamp for which luminaire is required i.e. please mention28W, 54W, etc.
b)Type of fitting (e.g. 1X28W, 2X54W, etc.)c) PVC/ CRCAd) If it is PVC, then will it be with/ without batwings(reflector) or
with/ without acrylic covere) Mirror optic fitting (Yes/ No)f) Wall mounted/ Hung/ Recessedg) Enclosed luminaire is required for outdoor applications as per
Sub-section E of Section III of the spec. (Yes/ No)h) Streetlight is required as per Sub-section F of Section III of the
spec. (Yes/ No)i) Material to be accepted on type or acceptance test reports
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Annexure - B
Technical data to be furnished by the tenderer in his offer
1. Lampa) Make and model no.b) Lamp Wattagec) Color temperatured) Lumen outpute) 15000 hours life (Certificate from accredited national/
international laboratory to be attached)f) Lumen maintenance after 2000, 6000, 12000 and 15000
burning hours (Certificate from accredited national/international laboratory to be attached)
g) Mercury content
2. Ballast
a) Make and model no.b) Ballast for which type of lampc) Rated current (max.)d) Operating voltage rangee) Power consumption of ballastf) Power consumption of complete assembly, if relevantg) Power factorh) Max. case temperature
i) Operating frequency
3. Luminaire
a) Make and model no.b) Luminaire for which lamp has been offered i.e. please mention
28W, 54W, etc.c)Type of fitting (e.g. 1X28W, 2X54W, etc)d) PVC/ CRCAe) If PVC, will it be with/ without Acrylic coverf) Mirror optic fitting (Yes/ No)
g) Wall mounted/ Hung/ Recessedh) Enclosed luminaire offered for outdoor application as per Sub-section E of Section III (Yes/ No)
i) Streetlight offered as per Sub-section F of Section III (Yes/ No)