The operational concept behind HID lamps
is very similar to that of fluorescent lamps.
Electrodes are positioned at either end of a
tube, whose chamber is filled with gas and
metals such as mercury. An electrical charge
passes from one electrode to the other. In
fluorescent lamps, this charge creates
ultraviolet (UV) light, which converts to visible
light once it passes through the phosphors
on the tube’s interior.
In an HID lamp, the electrical arc, gasses
and metals are contained in what is known
as the arc tube. The arc tube is made from
either quartz (used in mercury vapor and
metal halide lamps) or transparent ceramic
(used in high-pressure sodium lamps because of
their high temperature). All arc tubes are housed
within a larger outer glass envelope.
Unlike fluorescent lamps, the arc tube of HID lamps is
filled with gas at a very high rate of pressure (up to 50
psi). This allows the electrical arc created by the electrodes to
operate in the visible part of the spectrum, producing usable light
without the addition of phosphors.
Like fluorescents, HID lamps require a ballast to control the electrical current
in the arc tube. Certain HID lamps also require an ignitor, which produces a
high voltage to pulse the arc tube, allowing the arc to strike.
The biggest difference in HID lamps is the fact that they need a start-up time to reach their full brightness. This usually takes
five to 10 minutes, during which time the lamp will flicker until the metal inside fully vaporizes and the lamp reaches is full
operating temperature.
Electrode
Arc Tube
Filled with
Gasses &
Metals
Starting
Electrode
(Probe)
New HID lamps require a “burn in” period of
approximately 100 hours before the lamp will
reach its true specified color. Until this process is
completed, lamps can be unstable and vary in
color.
As HID lamps age, chemical changes occur that
cause color shifting. The shifts vary depending
FACT:
HID lamp color is
rated in kelvins and
is reffered to as its
Correlated Color
Temperature (CCT).
FACT:
Colors are created
by using different
arc tube designs
and changing the
mixture of chemicals
within the tube.
on the lamp type.
Standard probe start
lamps tend to shift
color about twice as
much as pulse start
lamps. Results vary
from lamp to lamp.
It is recommended
to conduct a group
relamping once it
is determined that
a lamp or group of
lamps is changing
color or failing. This
way, the area being
illuminated will maintain an even balance
of color and light.
Burning
Positions
Vertical
BU-HOR
105º
Universal
U
Vertical
BD-ONLY
15º 15º
Horizontal
HOR
15º
15º
Certain HID lamps have been
designed to operate in a specific
position to achieve targeted life
or performance goals. These
examples illustrate these burning
positions
Vertical
BU-ONLY
15º
15º
Double Ended
HOR
15º
15º
4º
4º
4º
4º
Page 4
Major HID Categories
Mercury Vapor
The original of the three HID categories
operates by using a small amount of
liquid mercury sealed in a quartz tube
with argon gas. The arc created by
the mercury vapor lamp produces
both visible and invisible (UV) light.
The visible light is blue-white in
color and is best suited for outdoor
lighting applications because of its
poor color rendering capabilities.
Some mercury vapor lamps
incorporate phosphors similar to
those used in fluorescent lamps to
improve color to a certain degree.
Mercury vapor lamps can achieve
life spans of 10,000 to 24,000 hours.
Typical applications:
Street lighting, industrial hi-bay, parking
lots, building flood lighting, general flood
lighting, places where long life is required
and color rendering is not critical.
Spacer
End Paint
Envelope
BT37
Arc Tube
Electrode
Upper
Support
Arc Tube
Strap
Return Lead
Connector
Lead
Frame
Arc Tube
Electrode
Starting
Electrode
(Probe)
Starting
Resistor
Stem
Base
Metal Halide
Metal halide lamps are similar to
mercury vapor models except
for the addition of metal
halides of sodium iodide and
scandium iodide. Certain
metal halide lamps feature
other iodides to improve the
efficiency and color balance
of the lamp. Metal halide
represents the most popular
and widely used HID category.
Typical applications:
General lighting such as
commercial/industrial/outdoor
flood lighting where good color
and high efficiency are desired.
Envelope
BT28
Open Fixture
Applications
Open
Fixture
Medium Base
Lamp
The narrower
EDX17 neck
allows full
insertion into
the socket
Mogul Base
The extended
EX26 Socket
center
contact
completes
the circuit in
the socket.
EX39 Socket
Open fixture rated bulbs have dedicated lamp
bases that will only fit and work with fixtures
that have corresponding sockets.
There is a series of HID lamps
that has a protective glass
shroud around the arc tube
that acts as a barrier to block
any particles from exiting the
lamp’s outer bulb.
Dome Mount
Support
Hermetic
End Seal
Alumina
Arc Tube
Enclosed
Fixture
Lamp
Since the arc tube of
the HID lamp is a highly
pressurized environment,
it is mandatory that the
fixture that houses the
lamp have a protective
lens. This lens will contain
glass fragments or other
hot particles should the
arc tube experience a
failure.
The wider
bulb neck will
not fit past
the ceramic
neck of the
socket.
The standard
center
contact
won’t reach
the contact in
the dedicated socket.
Lower
Support
Stem
Base
Steel
Frame
High Pressure Sodium/
Low Pressure Sodium (SOX)
This series of HID lamps incorporates solid sodium, mercury and xenon or a neon/argon
gas mixture within the arc tube. This combination of metals and gasses produces an
orange-white light in the high-pressure version and a yellow light in the low-pressure model.
Both lamps boast a luminous efficiency that is much greater than its mercury vapor or
metal halide counterparts.
Typical applications:
Street lighting, industrial hi-bay, parking lots, building flood lighting and general area lighting.
Weather
Resistant
ET18 Envelope
Vacuum
Residue
Gas Getter
Base
Page 5
HID Lamps
T4 SE
G8.5
T6 SE
G12
PAR20
Med.
PAR30L
Med.
Metal Halide Lamps 39w - 70w
Nominal
Watts BulbBase
T4 SE G8.5 S4286SCDM35/TC/830
39
T6 SE G12 S4288SCDM35/T6/830
PAR20 Med S4284SCDM35PAR20/M/SP
PAR30L
Med S4876SCDM35PAR30L/M/SP
ED17 Med S4854MH50W/U/MED/PS
50
EDX17
Med S4846MP50W/U/MED/PS/3K
Satco
Product
Number
S4285
S4877
S4855
S4847
Lamp Code
CDM35PAR20/M/FL
S
CDM35PAR30L/M/FL
S
MH50W/C/U/MED/PS
MP50W/C/U/MED/PS/3K
Coated
Coated
ED17
Med.
Pulse
Finish
ClearYN
ClearYN
ClearYY
Clear YY
Clear YY
Clear YY
Clear YN
Clear YY
Open
Start
Rated
YN
YY
EDX17
Med.
Code
M130/E
M130/E
M130/O
M130/O
M130/O
M130/O
M110/E
M110/E
M110/O
M110/O
ANSI
ED28
Mog.
Kelvin
Temp
3000 81 3300Univ.
3000 81 3400Univ.
3000 81
3000 81 5000*Univ.
3000 81
3000 81 7400*Univ.
4000 65 3400Univ.
3700 70 3400Univ.
3200 65 3400Univ.
3000 70 3300Univ.
CRI
T6 DE
RSC
Initial
Lumens/
CBCP*
23000*
44000*
Buring
Position
Univ.
Univ.
Avg.
Rated
Hours
MOL
9000
3 11/32”
12000
3 5/16”
9000 3 3/4”
9000 3 3/4”
9000 4 3/4”
9000 4 3/4”
10000
5 7/16”
10000
5 7/16”
10000
5 7/16”
10000
5 7/16”
Ctn
12
12
12
12
6
6
12
12
12
12
HID lamps
ED17 Med S4856MH70/U/MED
70
S4857
EDX17
Med S4848MP70/U/MED
S4849
Mog S4230MH70W/U/ED28/PSClear YN
ED28
T4 SE
G8.5 S4287SCDM70/TC/830
T6 SE G12 S4289SCDM70/T6/830
S4264
S
T6 DE RSC S4865
S4292SCDM70/TD/830
S4864
S4265
S
MH70/C/U/MED
MP70/C/U/MED
CDM70T6/942
MH-DE70/3K
MH-DE70/4K
CDM70/TD/942
Visit our website at www.satco.com
Clear YN
Coated
Coated
YN
Clear YY
YY
Clear YN
Clear YN
Clear YN
Clear YN
Clear YN
Clear YN
Clear YN
M98/E
M98/E
M98/O
M98/O
M98/E
M139/E
M139/E
M139/E
M85/E
M85/M139/E
M85/E
M85/M139/E
4000 65 5600Univ.
3700 70 5300Univ.
4000 65 5600Univ.
3700 70 5300Univ.
4000 65 5600Univ.
3000 83 6400Univ.
3000 81 6600Univ.
4200 92 6600Univ.
3000 70 5200 HOR+-15
3000 82 6500 HOR+-15
4200 65 5500 HOR+-15
4200 92 6000 HOR+-15
15000
15000
15000
15000
15000
6000
12000
12000
10000
15000
10000
15000
5 7/16”
5 7/16”
5 7/16”
5 7/16”
8 5/16”
3 11/32”
3 5/16”
3 5/16”
4 9/16”
4 11/16”
4 9/16”
4 11/16”
12
12
12
12
12
12
12
12
25
12
25
12
109
Page 6
HID Lamps
PAR30L
Med.
Metal Halide Lamps 70w - 150w
Nominal
Watts BulbBase
PAR30L
70
100
Med S4878SCDM70/PAR30L/M/SP
PAR38
Med S4897SCDM70/PAR38/SP/3K
ED17 Med S4858MH100/U/MED
EDX17
Med S4850MP100/U/MED
HID lamps
Satco
Product
Number
S4879
S4812
S4898
S4813
S4859
S4851
PAR38
Med.
Lamp Code
CDM70/PAR30L/M/FL
S
CDM70/PAR38/SP/4K
S
CDM70/PAR38/FL/3K
S
CDM70/PAR38/FL/4K
S
MH100/C/U/MED
MP100/C/U/MED
ED17
Med.
EDX17
Med.
Pulse
Finish
Start
Rated
Clear YY
Clear YY
Clear YY
Clear YY
Clear YY
Clear YY
Clear YN
Coated
Coated
YN
Clear YY
YY
Open
ED28
Mog.
ANSI
Code
M143/M96/O
M143/M96/O
M143/M96/O
M143/M96/O
M143/M96/O
M143/M96/O
M90/E
M90/E
M90/O
M90/O
CRI
Initial
Lumens/
CBCP*
68000*
10000*
50000*
42000*
18000*
16000*
Buring
Position
Univ.
Univ.
Univ.
Univ.
Univ.
Univ.
Kelvin
Temp
3000 83
4000 83
3000 82
4000 92
3000 82
4000 92
4000 65 9000Univ.
3700 70 8500Univ.
4000 65 8500Univ.
3700 70 8100Univ.
Avg.
Rated
Hours
MOL
9000
4 3/4”
9000
4 3/4”
10000
5 5/16”
10000
5 5/16”
10000
5 5/16”
10000
5 5/16”
15000 5 7/16”
15000 5 7/16”
15000 5 7/16”
15000 5 7/16”
Ctn
12
12
12
12
12
12
12
12
12
12
Mog S4231MH100W/ED28/PS
ED28
PAR38
Med S4888SCDM100/PAR38/SP/3K
S4814
S
S4889
S
S4869
S
ED17 Med S4232MH125W/HBU/PS
125
ED17 Med S4860MH150/U/MED
150
S4379
S4861
EDX17
Med S4852MP150/U/MED
S4853
Mog S4233MH150/U/ED28/PS
ED28
CDM100/PAR38/SP/4K
CDM100/PAR38/FL/3K
CDM100/PAR38/FL/4K
MH150/U/MED/EM
MH150/C/U/MED
MP150/C/U/MED
Clear YN
Clear YY
Clear YY
Clear YY
Clear YY
Clear YN
Clear YN
Clear NN
Coated
Coated
YN
Clear YY
YY
Clear YN
M90/E
M140/M90/O
M140/M90/O
M140/M90/O
M140/M90/O
M150/E
M102/E
M107/E
M102/E
M102/O
M102/O
M102/E
4000 65 9000Univ.
3000 85
4000 93
3000 86
4000 93
4000 6 12000 BU +/- 90
4000 65 15000Univ.
4000 65 13500Univ.
3700 70 14250Univ.
4000 65 14250Univ.
3700 70 13500Univ.
4000 65 14000Univ.
70000*
25000*
54000*
20000*
Univ.
Univ.
Univ.
Univ.
15000 8 5/16”
12500
5 5/16”
10000
5 5/16”
12500
5 5/16”
10000
5 5/16”
15000
5 5/16”
10000
5 7/16”
10000
5 7/16”
10000
5 7/16”
10000
5 7/16”
10000
5 7/16”
15000
8 5/16”
12
12
12
12
12
12
12
12
12
12
12
12
110
Customer Service 1-800-43-SATCO
Page 7
HID Lamps
T6 SE
G12
T8 DE
RSC
T7 DE
RSC
ED17
Med.
EDX17
Med.
Metal Halide Lamps 150w - 175w
Nominal
Watts BulbBase
T6 SE G12 S4290SCDM150T6/830
150
RSC S4866MH-DE150/3K
T8 DE
T7 DE
RSC S4293SCDM150/TD/830
T8 DE
RSC S4867MH-DE150/4K
T7 DE
RSC S4267SCDM150/TD/942
ED17 Med S4862MH175/U/MED
175
EDX17
Med S4828SMP175/BU-ONLY/MED
Satco
Product
Number
S4266
S4863MH175/C/U/MED
Lamp Code
CDM150T6/942
S
Finish
Clear YN
Clear YN
Clear YN
Clear YN
Clear YN
Clear YN
Clear NN
Coated
Clear NY
Pulse
Open
Start
Rated
NN
BT28
Mog.
ANSI
Code
M142/E
M142/E
M81/E
M142/M81/
M102/E
M81/E
M142/M81/
M102/E
M57/E
M57/E
M57/O
ED28
Mog.
CRI
Initial
Lumens/
CBCP*
Buring
Position
HOR+/-45
HOR+/-45
HOR+/-45
HOR+/-45
Kelvin
Temp
3000 85 14000Univ.
4200 96 12700Univ.
3000 70 12500
3000 88 13250
4200 65 12000
4200 96 14200
4000 65 16000Univ.
3700 70 15250Univ.
3600 65 14400 BU +/- 15
Avg.
Rated
Hours
12000
9000
10000
15000
10000
15000
10000
10000
10000
MOL
4 11/32”
4 11/32”
5 7/16”
5 7/16”
5 7/16”
5 7/16”
5 7/16”
5 7/16”
5 7/16”
Ctn
12
12
25
12
25
12
12
12
20
HID lamps
Med S4234MS175/BU/MED/PS
ED17
S4235MS175/C/BU/MED/PS
BT28
Mog.
S4829MH175/U
Mog.
ED28
BT28
ED28
T15Mog S4840MH175/U/T15
R40
S4830MH175/C/U
S4271MS175/BU
Mog S4384SMP175/BU-ONLY
Mog S4236MS175/BU/PS
S4237
POMB
S4272MS175/HOR
Med S4260MH175W/U/R40/SP15
S4261MH175W/U/R40/FL70
MS175/C/BU/PS
Clear YN
Coated
Coated
Coated
YN
Clear NN
NN
Clear NN
Clear NY
Clear YN
YN
Clear NN
Clear NN
Clear NN
FrostNN
M152/E
M152/E
M57/E
M57/E
M57/E
M57/O
M152/E
M152/E
M57/E
M57/E
M57/E
M57/E
4000 65 17500 BU +/- 15
3700 70 16600 BU +/- 15
4000 65 14000Univ.
3700 70 13300Univ.
4000 65 15000 BU +/- 15
4000 65 14400 BU +/- 15
4000 65 17500 BU +/- 15
3700 70 16600 BU +/- 15
4000 65 15000
4000K
65 14000Univ.
4000K6565000*
4000K
65 6500*Univ.
HOR+/-45
Univ.
15000
15000
10000
10000
10000
10000
15000
15000
10000
10000
10000
10000
5 7/16”
5 7/16”
8 5/16”
8 5/16”
8 5/16”
8 5/16”
8 5/16”
8 5/16”
8 5/16”
8 5/16”
6 1/2”
6 1/2”
12
12
6
12
12
6
12
12
12
12
6
6
Have a special requirement? Visit our website at www.satco.com
111
Page 8
HID Lamps
T15
Mog.
Metal Halide Lamps 200w - 320w
Nominal
Watts BulbBase
ED17 Med S4238MS200/BU/MED/PS
200
Mog S4291MS200/V/PS
ED28
BT28 Mog S4831MH250/U
250
Mog S4832MH250/C/U
ED28
BT28
Mog S4386SMP250/BU-ONLY
HID lamps
Lamp Code
MS250/BU
MS250/C/BU
ED17
Med.
R40
Med.
Satco
Product
Number
S4251MP200/V/UVS/PS
S4273
S4274
ED28
Mog.
Finish
Clear YN
Clear YN
Clear YY
Clear NN
Coated
Clear NN
Coated
Clear NY
BT28
Mog.
Pulse
Open
Start
Rated
NN
NN
T15
Mog.
ANSI
Code
M136/E
M136/E
M136/O
M58/E
M58/E
M58/E
M58/E
M58/O
ET18
Mog.
Kelvin
Temp
CRI
4000 65 21000 BU +/- 15
4000 65 21000 Vert+/-15
4000 65 20000 Vert+/-15
4000 65 21000Univ.
3700 70 19800Univ.
4000 65 23000 BU +/- 15
3700 70 22000 BU +/- 15
4000 65 23000 BU +/- 15
Initial
Lumens/
CBCP*
T8 DE
Fc2
Buring
Position
Avg.
Rated
Hours
12000
15000
15000
10000
10000
10000
10000
10000
MOL
5 7/16”
8 5/16”
8 5/16”
8 5/16”
8 5/16”
8 5/16”
8 5/16”
8 5/16”
Ctn
12
12
12
6
12
12
12
6
Mog S4239MS250/V/PS
ED28
S4252
POMB
S4275MS250/HOR
S4240
T15
Mog S4841MH250/U/T15
POMB
S4868MS250/HOR/T15/3K
Mog S4385SM250/U/ET18
ET18
Fc2 S4262MH-DE250W3K/Fc2
T8 DE
S4263
ED28 Mog S4241MS320/V/ED28/PSClearYN
320
S4242
S4253
S4254
POMB
S4387MS320/H75/ED28/PS
MP250/BU/UVS/PS
MS250/H75/PS
MH-DE250W4K/Fc2
MS320/C/V/ED28/PS
MP320/BU/ED28/UVS/PS
MP320/C/BU/ED28/UVS/PS
Clear YN
Clear YY
Clear NN
Clear YN
Clear NN
Clear NN
Clear NN
Clear NN
Clear NN
Coated
Coated
YN
Clear YY
YY
Clear YN
M153/E
M153/O
M58/E
M153/E
M58/E
M58/E
M58/E
M80/E
M80/E
M154/E
M154/E
M154/O
M154/O
M154/E
4000 65 25000 Vert+/-15
4000 65 23800 BU +/- 15
4000 65 23000
4000 65 22000
4000 65 21000Univ.
3200 65 23000
4000 65 22000Univ
3000 70 20000
4200 70 20000
4000 65 33000
3700 70 31000
4000 65 31000 BU +/- 15
3700 70 29000 BU +/- 15
4000 65 30000
HOR+/-45
HOR+/-75
HOR+/-45
HOR+/-45
HOR+/-45
Vert +/- 15
Vert +/- 15
HOR+/- 75
15000
15000
10000
12000
10000
10000
10000
10000
10000
20000
20000
20000
20000
20000
8 5/16”
8 5/16”
8 5/16”
8 5/16”
8 5/16”
8 5/16”
9 3/4”
6 7/16”
6 7/16”
8 5/16”
8 5/16”
8 5/16”
8 5/16”
8 5/16”
12
12
12
12
12
12
10
25
25
12
12
12
12
12
112
Don’t see the lamp you need? Call Customer Service 1-800-43-SATCO
Page 9
HID Lamps
ED28
Mog.
ED37
Mog.
Metal Halide Lamps 320w - 400w
Nominal
Watts BulbBase
ED37 Mog S4255MP320/BU/ED37/UVS/PS
320
ED37 Mog S4243MS350/V/PSClear YN
350
ED37 Mog S4264MS360W/BU/EMClear NN
360
ED37 Mog S4833MH400/UClear NN
400
Satco
Product
Number
S4244
S4256
S4257
S4265
S4266
S4267
S4834
Lamp Code
MS350/C/V/PS
MP350/V/UVS/PSClear YY
MP350/C/V/UVS/PS
MS360W/C/BU/EM
MPI360W/BU/EMClear NY
MPI360W/C/BU/EM
MH400/C/U
Finish
Clear YY
Coated
Coated
Coated
Coated
Coated
Pulse
Open
Start
Rated
YN
YY
NN
NY
NN
ANSI
Code
M154/O
M131/E
M131/E
M131/O
M131/O
M165/E
M165/E
M165/O
M165/O
M59/S
M59/E
Kelvin
Temp
4000 65 31000 BU +/- 15
4000 65 35000
3700 70 35000
4000 65 33000
3700 70 33000
4000 65 36000 BU +/- 15
3700 70 34000 BU +/- 15
4000 65 35000 BU +/- 15
3700 70 34000 BU +/- 15
4000K
3700K
Initial
Lumens/
CRI
CBCP*
65 36000Univ.
70 34000Univ.
Buring
Position
Vert +/- 15
Vert +/- 15
Vert +/- 15
Vert +/- 15
Avg.
Rated
Hours
20000
20000
20000
20000
20000
20000
20000
20000
20000
20000
20000
MOL
11 1/2”
11 1/2”
11 1/2”
11 1/2”
11 1/2”
11 1/2”
11 1/2”
11 1/2”
11 1/2”
11 1/2”
11 1/2”
Ctn
12
6
6
6
6
6
6
6
6
6
6
HID lamps
S4276
S4277
S4245
S4246
S4388SMP400/BU-ONLYClear NY
S4258
S4259
POMB
S4279MS400/HOR
S4280
S4249
ED28
Mog S4843MH400/U/ED28Clear NN
S4844
S4278
S4247
S4248
POMB
S4281MS400/HOR/ED28
S4250
MS400/BUClear NN
MS400/C/BU
MS400/V/PSClear YN
MS400/C/V/PS
MP400/BU/UVS/PSClear YY
MP400/C/BU/UVS/PS
MS400/C/HOR
MS400/H75/PS
MH400/C/U/ED28
MS400/BU/ED28Clear NN
MS400/V/ED28/PS
MS400/C/V/ED28/PS
MS400/H75/ED28/PS
Visit our website at www.satco.com
Coated
NN
Coated
Coated
Coated
Coated
Coated
YN
YY
Clear NN
NN
Clear YN
NN
Clear YN
YN
Clear NN
Clear YN
M59/E
M59/E
M159/E
M159/E
M59/O
M159/O
M159/O
M59/E
M59/E
M159/E
M59/E
M59/E
M59/E
M159/E
M159/E
M59/E
M159/E
4000K
65 40000 BU +/- 15
3700K
70 38000 BU +/- 15
4000K
65 44000
3700K
70 42000
3600 65 40000 BU +/- 15
4000K
65 42000 BU +/- 15
3700K
70 40000 BU +/- 15
4000K
65 40000
3700K
70 38000
4000K
65 40000
4000K
70 36000Univ.
3700K
65 33900Univ.
4000K
65 40000 BU +/- 15
4000K
65 44000
3700K
70 42000
4000K
65 40000
4000K
65 40000
Vert +/- 15
Vert +/- 15
HOR +/- 45
HOR +/- 45
HOR +/- 75
Vert +/- 15
Vert +/- 15
HOR +/- 45
HOR +/- 75
20000
20000
20000
20000
20000
20000
20000
20000
20000
20000
20000
20000
20000
20000
20000
20000
20000
11 1/2”
11 1/2”
11 1/2”
11 1/2”
11 1/2”
11 1/2”
11 1/2”
11 1/2”
11 1/2”
11 1/2”
8 5/16”
8 5/16”
8 5/16”
8 5/16”
8 5/16”
8 5/16”
8 5/16”
6
6
6
6
6
6
6
6
6
6
12
12
12
12
12
12
12
113
Page 10
HID Lamps
ED28
Mog.
Metal Halide Lamps 400w - 1500w
Nominal
Watts BulbBase
T15Mog S4842MH400/U/T15
400
POMB
ET18
Mog S4389SM400/U/ET18
BT37 Mog S4390SMS750/PS/BU-HOR/BT37
750
BT56 Mog S4835MH1000/UClear NN
1000
HID lamps
T15
Mog.
Satco
Product
Number
S4282MS400/HOR/T15/3K
S4836
S4283
ED18
Mog.
Lamp Code
MH1000/C/U
MS1000/BU Clear NN
BT37
Mog.
Pulse
Finish
Start
Clear NN
Clear NN
Clear NN
Clear YN
Coated
NN
BT56
Mog.
Open
Rated
ANSI
Code
M59/E
M59/E
M59/E
M149/E
M47/S
M47/E
M47/E
Kelvin
Temp
4000K
3200 65 38000
4000 65 36000Univ
4000 65 80000 BU +/- 90
4000 65
3700 70
4000 65
Initial
Lumens/
CRI
CBCP*
65 36000Univ.
110000
105000
115000
Buring
Position
HOR +/- 45
Univ.
Univ.
BU +/- 15
Avg.
Rated
Hours
15000
15000
20000
16000
18000
12000
12000
MOL
9 3/4”
9 3/4”
9 3/4”
11 1/2”
15 3/8”
15 3/8”
15 3/8”
Ctn
12
12
10
6
6
6
6
BT37
Mog S4845MH1000/U/BT37Clear NN
S4391
BT56 Mog S4837MH1500/HBUClear NN
1500
S4839
MS1000/BU/BT37/PS ClearYN
MH1500/U/XLClear NN
M47/E
M141/E
M48/E
M48/E
4000 70
4000 65
3400 65
4000 65
110000
115000
161000
170000
Retrofit MH Lamps For High Pressure Sodium (HPS) Fixtures
HPS Ballast Kits Include: 5 Tap Ballast (120/208/240/277/480)
Plus: Mogul Base Clear Lamp / Capacitor / Igniter / Mounting Brackets
LU250/ECO/Lamp/Super5/BallastKitS50LU250/ECOS501
S
LU400/ECO/Lamp/Super5/BallastKitS51LU400/ECO S511
S
Customer Service 1-800-43-SATCO
Ballast
Ansi Code Lamp Included
Lamp
Ansi Code Pack
Lamp
Ansi Code Pack
Page 15
HID Lamps Notes
HID Notes
= Product by a manufacturer other than Satco
= Product by one of the Primary lamp
S
manufacturers
ANSI Codes
All HID lamps and ballasts are identified by an ANSI
code. The purpose of these codes are to make sure
that the lamp from one manufacturer is properly
matched to any other manufacturers ballast, therefore
resulting in safe operation, and produce the designed
light output. Especially with the increasing complexities
of metal halide product offerings, it is very important
that the ballast and lamp ANSI codes are matched
before use. The most recent changes to the ANSI lamp
codes have added the E, S, and O letter designations.
For example, a 400 watt probe start metal halide
lamp will have an ANSI code of M59/E, M59/S, or M59/
O. This should be used only on a ballast with an ANSI
code of M59.
E - Lamps must be used in enclosed luminaires which
meet the requirements of UL1598.
S - Lamps are considered “suitable” for open
luminaire operation, only if operated in the vertical
±15° position. Lamps do not meet ANSI criteria for
containment and must be turned off at least once
per week for a minimum of 15 minutes if operated
continuously. In addition these lamps must be group
relamped before reaching rated lamp life.
O - Lamps can be operated in open or enclosed
luminaires within the manufacturer’s specified
operating position limits. This type meets the ANSI
criteria for containment rated operation. Special
exclusionary sockets are available for these lamps to
ensure that the wrong lamp type is not used.
Rated Life
The rated life of metal halide lamps is based on
the point when 50% of the lamps have burned out,
based on a burn cycle of 10 hours per start. Various
operating conditions affect lamp life. One key factor
is operating position. Lamps designated universal can
be operated in any position. However, life expectancy
and lumen output are sacrificed in certain positions.
Published “rated life” for universal lamps is based
on operation in the vertical position. “Rated life” for
universal lamps operated horizontally is 75% of the
published rating. Shorter operating cycles also severely
reduce life. At operating cycles shorter than 10 hours
per start, life will shorten as follows:
5 hrs per start: Life is approx. 75% of rating
2.5 hrs per start: Life is approx. 55% of rating
Initial Lumen Listings
Rated initial lumens are based on measurements at
100 hours of use, and are based on specified burning
position. The measures listed for universal position
lamps are based on a vertical burning position;
horizontal usage decreases the output by 25 to
30%. For specifics on any particular lamp, call Satco
customer service (800-43-SATCO).
Safety Warnings
It is the responsibility of the purchaser to read all safety
warnings on the lamp package before use. For more
information, call Satco customer service (800-43-SATCO).
HID lamps
Steps to choosing the correct Metal Halide lamp.
1) Determine the correct wattage.
2) Determine the base.
3) Choose the shape. ED and BT style lamps are generally interchangeable
4) Determine the correct size, some wattages come in multiple sizes. For example, 400w lamps are
standard ED37, but are also commonly available in an ED28 compact envelope.
5) Determine burning position, BU, BD, Vertical, Horizontal, or Universal.
6)
Determine Pulse Start, or Probe Start. Pulse Start is standard on lower wattage lamps, (39 through 150 watts).
Probe Start is standard on higher wattage lamps, (175 through 1500 watts), however Pulse Start
technology is being used more and more on the higher wattages.
7) Determine whether the project is calling for the newer Ceramic Arc tube lamps. These lamps offer
higher color rendering, and Lumen Output than the more traditional Quartz Arc tube lamps.
8) Determine whether fixture requires an Open Rated (Protected) lamp, or an Enclose Rated lamp.
9) All Metal Halide lamps and ballasts are identified with an ANSI code. It is best to make sure that the
ANSI code matches between the ballast and lamp.
119
Page 16
HID Lamps Notes
Measured vs Perceived Light
Levels of HID Lamp
Studies on nighttime visibility demonstrate experimentally
that the human eyes is sensitive to different colors of
light based on various lighting levels, thus impacting
the “true” or “effective” lumen output of a lamp. Recent
research shows that the color of a light source has a
significant effect on nighttime visibility, which is important
since most road accidents happen at night. It is also well
known that the eye responds to color differently based
on the amount of light available.
While lumens are the standard measurement of light
output, light is actually defined as energy evaluated by
the eye. Standard lumen measurements are based on
the light output response of a person only during high
light levels (photopic light), typical of daylight and interior
lighting. Light meters measure photopic light as seen
by the central region of the eye. When light levels are
very low, like starlight, the viewing conditions are referred
to as scotopic. Under these conditions, the eyes visual
response changes dramatically. Sensitivity to yellow and
red light is greatly reduced, while response to blue light is
vastly increased. Since lamp lumen measurements have
been determined using photopic measurements, the
lumen values do not accurately measure the effective
light output as perceived by the human eye.
Since the value of a lamp’s lumen output is different
when considering the shifting color sensitivity of the eye
at low levels, the effective lumens will be different from
the measurable photopic lumens. As light diminishes
HID lamps
from photopic to scotopic conditions, the effective
lumens of yellow sodium light sources are reduced, and
the effective lumens of the whiter metal halide sources
increase. This effect is most dramatic for low pressure
sodium (SOX) lamps. Almost all energy output from SOX
lamps is yellow, resulting in an artificially high photopic
lumen output, yet a very low perceived light output in
low light level applications.
Metal Halide 2005 NEC Changes
The 2005 update to the National Electrical Code (NEC)
includes two changes that affect the manufacture
and installation of metal halide luminaires. Both
changes address methods for preventing risk when
metal halide lamps are used.
The purpose of these changes is to prevent possible
injury and property damage. Metal halide lamps can
explode, shooting hot glass out of the luminaire, or
fixture. In an open luminaire - one that does not have
a lens - this can result in a fire, personal injury, and
property damage. Although violent failure is a rare
occurrence (about three incidents per year), the NEC
has included these changes to help eliminate the
hazard.
In sports facilities, particularly in schools, athletic
activity can break the outer jacket of a metal
halide lamp used in an open luminaire. When this
happens, the arc tube can continue to operate with a
damaged or missing outer jacket. This leads to reports
of UV over-exposure, including sunburn and a burning
sensation around the eyes. The NEC change requires
complete lamp enclosure in these facilities, which
will provide mechanical protection to reduce the
possibility of damage to the outer lamp jacket.
NEC changes for open luminaires
The NEC change regarding open luminaires is the
new section 410.73(F)(5) that states, “Metal Halide
Lamp Containment. Luminaires (fixtures) that use a
metal halide lamp other than a thick-glass parabolic
reflector lamp (PAR) shall be provided with a
containment barrier that encloses the lamp, or shall
be provided with a physical means that only allows
the use of a lamp that is Type O.”
120
Typical metal halide lamps have strong light output
in the blue, green and yellow areas, resulting in high
lumen output at all light levels. The blue light output
of metal halide is in the high sensitivity region of the
eye for low light levels. This means that the effective
lumens actually increase for a metal halide lamp as
the light level reduces and the eye shifts to a blue/
green peak sensitivity. The ability to detect fine contrast
is also significantly better under metal halide sources
than sodium, making it a more effective light source in
warehouse and retail applications. Studies have shown
that metal halide lighting, in some circumstances, can
be up to six times as effective as HPS. This can make a
difference in peripheral viewing and dark areas where
hidden hazards may be present.
Therefore, to meet the 2005 NEC requirements,
luminaires that use metal halide lamps must either:
• Be enclosed to provide a containment barrier.
• Use a special lampholder that will only accept an
ANSI Type O rated metal halide lamp.
NEC 2005 changes for sporting facilities
The NEC change regarding open luminaires is the
new section 410.4(E) that states, “Luminaires (fixtures)
subject to physical damage, using a mercury vapor or
metal halide lamp, installed in playing and spectator
seating areas of indoor sports, mixed-use, or allpurpose facilities shall be of the type that protects
the lamp with a glass or plastic lens. Such luminaires
(fixtures) shall be permitted to have an additional
guard.”
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