PORTFOLIO TM
D ES C R IPTION
Recessed lens downlight with 6 inch aperture with vertical T4 or T4.5
G8.5 ceramic metal halide lamp. Available in narrow, medium and wide
distributions. Fixture is suitable for commercial construction. Insulation
must be kept 3" from top and sides housing. Two stage reflector system
produces smooth distribution with excellent light control and low
aperture brightness.
Type
Catalog #
Project
Date
Comments
Prepared by
SPE C IFIC A TION FEA T U R E S
H ou s i n g
O pti c a l U ppe r R eflector
In su latio n Detecto r
Steel housing encloses optical
system protecting reflectors from
damage. Tool-less top access
allows service from above. Access
door allows splice inspection and
ballast service through aperture.
Clear anodized spun 0.50" thick
aluminum produces narrow,
medium and wide distribution
based on selected lamp center
position.
Self resetting detector opens circuit
if insulation is improperly installed.
L owe r Shi e l di n g R eflecto r
Pla s t e r F r a m e / C ol l a r
Die cast aluminum collar
accommodates ceiling materials up
to 1-1/2" thick.
U n i v e r s a l M o u n t ing Bra c ke t
Accepts 1/2" EMT, C channel
and bar hangers and adjusts 5"
vertically from above the ceiling.
Hydro-formed 0.050" thick
aluminum parabolic contour
provides 50° lens and lens image
cutoff. Self flanged standard with
optional white painted flange. Also
available with polymer trim ring.
Available in all standard Alzak®
finishes.
Shi e l di ng
Ju n c t i o n B o x
(6) 1/2" and (2) 3/4" trade size
pry outs positioned to allow
straight conduit runs. Listed for
(8) #12 AWG (six in, six out) 90°C
conductors and feed thru branch
wiring.
0.125" thick diffuse glass lens
masks arc tube support wire image,
striations and color de-mixing
common with uncoated ceramic
arc sources. Lens is captive during
lamp replacement.
Tri m Re te nti on
All fasteners that must be
routinely loosened or tightened for
installation and or maintenance are
captive.
Upper and lower reflectors are held
securely together and are retained
with two torsion springs holding
the flange tightly to the finished
ceiling surface.
Re - l a m p
Soc ke t
Suitable for top or bottom lamp
replacement. A lockout feature
prevents the lamp socket from
being installed in the incorrect
beam distribution position during
service.
Pulse rated "Secure Fit" G8.5
ceramic lamp socket attaches to
upper reflector with three position
bracket and precisely maintains
lamp center.
Fa s t e n e r s
B allast
Universal input 120/277V electronic
ballast provides noise free
operation, improved efficiency and
increased lamp life as compared
with magnetic ballast. Regulated
output power over a wide range
of ANSI lamp voltages results in
excellent color stability over time.
Qu artz Lamp R e-strike (Q
Op tion )
Internal auxiliary 100W DC bayonet
base T4 quartz lamp (included)
provides low level illumination in
the event of a momentary power
interruption.
MD620T4G85
MD639T4G85
MD670T4G85
6950/6951
Emergen cy Circuit Lamp (X
Op tion )
Ceramic Metal Halide
Emergency circuit lamp module for
100W DC bayonet base T4 quartz
lamp (included) by emergency
circuit.
T4 G8.5
STEPREPEAT>
6-Inch
Co d e Co mplian ce
Lens Downlight
Thermally protected and cULus
listed for protected wet locations.
Optional City of Chicago
environmental air (CCEA) marking
for plenum applications. EMI/RFI
emissions per FCC 47CFR Part 18
non consumer limits.
ENERGY DATA
20W
120V Input Power: 26W
277V Input Power: 26W
120V Input Current: 0.22A
277V Input Current: 0.11A
Minimum Starting Temp: 5°F (-15°C)
THD: <15%
10 -3/16”
[259mm]
Power Factor: >95%
Sound Rating: A
T OP V IE W
39W
5-11/16”
[145mm]
6-3/8”
[162mm]
7-1/4”
[185mm]
120V Input Power: 46W
277V Input Power: 45W
120V Input Current: 0.39A
277V Input Current: 0.18A
Minimum Starting Temp: -20°F (-30°C)
THD: <15%
Power Factor: >95%
Sound Rating: A
16-1/16”
[408mm]
70W
120V Input Power: 86W
277V Input Power: 84W
120V Input Current: 0.72A
277V Input Current: 0.31A
Minimum Starting Temp: -20°F (-30°C)
THD: <16%
14-7/16”
[367mm]
Specifications and dimensions subject to change without notice.
Consult your representative for additional options and finishes.
Power Factor: >90%
Sound Rating: A
ADP090831
2013-09-27 13:36:16
MD620T4G85 MD639T4G85 MD670T4G85 6950/6951
ORDER ING INFOR M A TION
SAMPLE #: MD639T4G85-EQ
Lamp Type/
Ballast
Wattage
Ho u s i n g
Options
Trim
6950=Reflector assembly with
white polymer trim ring
6950X=Reflector assembly
with white polymer
trim ring, accepts
quartz standby lamp
6951=Reflector assembly,
self flanged
6951X=Reflector assembly,
self flanged, accepts
quartz standby lamp
MD6=6” Aperture
MD6CP=6” Aperture
Chicago Plenum
20T4G85=20W T4 G8.5 CMH lamp
39T4G85=39W T4 G8.5 CMH lamp
70T4G85=70W T4 70W G8.5 CMH lamp
E=Electronic, UNV
120/277V 50/60 Hz
Q=Quartz Restrike System 1
X=Emergency Circuit Lamp
Finish
Distribution
ND=Narrow
MD=Medium
WD=Wide
Ll=Low Iridescent
Clear
H=Clear Haze
WMH=Warm Haze
G=Gold
WH=Wheat
GP=Graphite
GPH=Graphite Haze
B=Black
Notes:
1 Not availab le w ith 20 w att.
Options
Accessories
WF=White painted flange
(self-flanged only)
HB26=L Channel Bar Hangers, 26” Long, Pair
HB50=L Channel Bar Hangers, 50” Long, Pair
RMB22=Wood Joist Bar Hangers, 22” Long, Pair
HSA6=Slope Adapter for 6” Aperture Housings;
Specify slope
TRM6=Metal Trim Ring, White
TRR6=Rimless Trim Ring, White
FK=Field Installable fuse Kit; Specify Amperage
H347=347V stepdown transformer, 75VA
H347200=347V stepdown transformer, 200VA
PH OTOM ETR IC S
Photometric Results
Spacing Criterion = 1.1
Efficiency = 71.4%
Test No. P11607
MD670T4G85E-6951WDLI
Lamp = CMH70/T4/G85
Lumens = 6300
Wide Distribution
70W
T4
0.26
39W Multiplier
0.53
Candelas
Downlight
90°
75°
Distance
Initial
Fixture to
Footcandles
Lighted
at Nadir
Plane
Beam
Diameter
1300
60°
2600
3900
20W Multiplier
Cone of Light
Candlepower Distribution
45°
0°
15°
30°
8’0”
59
9’0”
10’0”
38
11’0”
12’0”
26
13’6”
15’0”
17
17’0”
20’0”
10
22’6”
Vertical
Angle
CD
0
5
15
25
35
45
55
65
75
85
90
3801
3621
3261
3221
2231
508
5
2
1
0
0
Zonal Lumens Summary
Zone
Lumens
%
Lamp
%
Luminaire
0-30
2720
43.2
60.5
0-40
4062
64.5
90.4
0-60
4493
71.3
99.9
0-90
4496
71.4
100
90-180
0
0
0
0-180
4496
71.4
100
PH OTOM ETR IC S
Photometric Results
Test No. P11608
MD670T4G85E-6951MDLI
Lamp = CMH70/T4/G85
Lumens = 6300
Medium Distribution
70W
T4
0.26
39W Multiplier
0.53
Candelas
Downlight
90°
75°
Distance
Initial
Fixture to
Footcandles
Lighted
at Nadir
Plane
Beam
Diameter
2500
60°
5000
7500
20W Multiplier
Cone of Light
Candlepower Distribution
Spacing Criterion = 0.7
Efficiency = 71.0%
45°
0°
15°
30°
8’0”
106
6’0”
10’0”
68
7’6”
12’0”
47
9’0”
15’0”
30
11’0”
20’0”
17
15’0”
Vertical
Angle
CD
0
5
15
25
35
45
55
65
75
85
90
6800
6341
5274
3161
1167
325
3
1
0
0
0
Zonal Lumens Summary
Zone
Lumens
%
Lamp
%
Luminaire
0-30
3480
55.2
77.8
0-40
4232
67.2
94.6
0-60
4471
71
100
0-90
4473
71
100
90-180
0
0
0
0-180
4473
71
100
Specifications and dimensions subject to change without notice.
Customer First Center 1121 Highway 74 South Peachtree City, GA 30269 770.486.4800 FAX 770 468.4801
ADP090831
2013-09-27 13:36:16
MD620T4G85 MD639T4G85 MD670T4G85 6950/6951
PH OTOM ETR IC S
Photometric Results
Test No. P11609
MD670T4G85E-6951NDLI
Lamp = CMH70/T4/G85
Lumens = 6300
Narrow Distribution
70W
T4
0.26
39W Multiplier
0.53
Candelas
Downlight
90°
75°
Distance
Initial
Fixture to
Footcandles
Lighted
at Nadir
Plane
Beam
Diameter
5000
60°
10000
15000
20W Multiplier
Cone of Light
Candlepower Distribution
Spacing Criterion = 0.7
Efficiency = 70.8%
45°
0°
15°
30°
12’0”
98
5’0”
15’0”
63
6’6”
20’0”
35
8’6”
25’0”
23
11’0”
30’0”
16
13’0”
Vertical
Angle
CD
0
5
15
25
35
45
55
65
75
85
90
14132
12704
5950
2450
648
220
3
1
0
0
0
Zonal Lumens Summary
Zone
Lumens
%
Lamp
%
Luminaire
0-30
3879
61.6
86.9
0-40
4308
68.4
96.6
0-60
4460
70.8
100
0-90
4461
70.8
100
90-180
0
0
0
0-180
4461
70.8
100
Specifications and dimensions subject to change without notice.
Customer First Center 1121 Highway 74 South Peachtree City, GA 30269 770.486.4800 FAX 770 468.4801
ADP090831
2013-09-27 13:36:16