MHRL75
7.5” ROUND HID LENSLIGHT
SUBMITTAL:
JOB:
VOLTAGE:
TYPE:
MHRL75
EX AMPLE:
t SERIES
-
10 0PS
-
ED17/MED
-
OP TIONS
-
EB1
-
120
t
t
t
t
t
WAT TAGE L AMP BA SE OP TIONS
BALL A ST
VOLTAGE
SERIES
This fixture is proudly made in the USA.
MHRL75 SERIES
FEATURES
Adjustable to accommodate up to 1-3/4”
ceiling thickness.
XX
Finned, extruded aluminum heat sink socket
housing dissipates heat for cooler operation.
XX
Textured white aluminum splay trim with
neoprene gasketing.
XX
Clear prismatic glass lens standard.
XX
Gasketed door reduces light leaks due to
irregular ceiling surfaces.
XX
Adjustable hanger brackets with bar hangers
standard.
XX
Easy-access, 14-gauge galvanized steel
junction box with two snap-on covers.
XX
8-13/16”
ø7-3/4”
ø8-13/16”
PAN SIZE: 12” x 16-1/4”
CEILING CUT OUT: 8-1/8” dia.
HOUSING — 20-gauge,
die-formed, galvanized
steel pan/plaster frame.
REFLECTOR — Highly
reflective white polyester
powder coat bonded to
phosphate-free, multistage pretreated metal.
SHIELDING — Clear
prismatic tempered
glass lens standard.
ELECTRICAL
LAMP OPTIONS (Must specify)
ELECTRONIC BALLAST
WATTAGE
LAMP BASE
BALLAST
50PS ED17/MED EB1
70PS ED17/MED EB1
100PS ED17/MED EB1
MAGNETIC BALLAST
WATTAGE
LAMP BASE
BALLAST
50PS ED17/MEDMB1
70PS ED17/MEDMB1
100PS ED17/MEDMB1
OPTIONS
BKSB
DO
F
FF
Black stepped baffle with white trim
Drop opal lens
Fuse (120V and 277V only)
Fresnel glass lens
QRS
RETRO
TP
Porcelain socket.
Prewired at factory for
easy field installation.
ELECTRONIC
BALLAST — Rated
0ºF minimum starting
temperature.
MAGNETIC
BALLAST — Rated
-20ºF minimum starting
temperature.
Quartz restrike
Retrofit Mounting Pan Assembly (Magnetic ballast
must be remote.) See Technical Info for RETRO specifications.
Tamper-resistant fixture (requires a tamper-
resistant tool; must be ordered separately, see Accessories)
ACCESSORIES
TPSN-10
#10 snake eye tamper-resistant tool. Required for fixtures ordered with TP option. Ordered separately, specify quantity required per project.
VOLTAGE (Must specify)
120
240
208
277
120V
240V (MB1 only)
H.E. Williams, Inc.
Carthage, Missouri
w w w.hew.com
208V (MB1 only)
277V
417-358-4065
Downlights
Page 14A
MHRL75
PHOTOMETRY
DESCRIPTION
•1/70W Coated ED17 Metal Halide
•7.5” dia. Recessed Downlight Luminaire
•Texture White Splay
•C73 Prismatic Glass Lens (Prisms Down)
7.5” ROUND HID LENSLIGHT
PHOTOMETRY INFORMATION
Williams Downlighting Catalog # MHRL75-70PS-ED17-C/MED
Date 07/26/00
Lamp Quantity: 1
Test Report # 10737.0
Lamp Type: M98 MH70/C/U/MED
Rated Lumens: 5600.
CANDLEPOWER DISTRIBUTION
VERTICAL
ANGLE
0
5
15
25
35
45
55
65
75
85
90
AVERAGE
CANDELA
1273.
1271.
1245.
1098.
772.
446.
212.
99.
24.
0.
0.
90°
80°
121.3
352.9
508.0
484.7
345.6
190.3
98.6
25.8
.4
70°
60°
50°
40°
30°
0°
LUMEN SUMMARY
20°
ZONAL CAVITY COEFFICIENTS
EFFECTIVE FLOOR CAVITY REFL. = .20
ZONE
LUMENS %LAMP % FIXTURE
0 - 30
982.
17.5
46.2
0 - 40
1467.
26.2
68.9
0 - 60
2003.
35.8
94.1
0 - 90
2128.
38.0
100.0
TOTAL LUMINAIRE:
0 - 180
2128.
38.0
100.0
IES SPACING CRITERIA: ADJACENT=1.1
DIAG.=.8
CEILING
WALL RCR
0
1
2
3
4
5
6
7
8
9
10
LIGHT CONE QUICK CALCULATOR TABLES
Mounting FC at Edge
Height (Ft) of Cone
8
9.9
10
6.4
12
4.4
14
3.2
16
2.5
18
2.0
20
1.6
10°
FC at
Nadir
19.9
12.7
8.8
6.5
5.0
3.9
3.2
REFLECTANCE: Ceiling = 80% Walls = 50% Floor = 20%
LIGHT LOSS FACTOR: 1.0
Room Size - 10’ Ceiling
±50 fc ±75 fc ±100 fc
Small - 400 Sq Ft
12
16
25
Medium - 900 Sq Ft
25
36
49
Large - 1600 Sq Ft
49
72
90
.80
.50
.45
.41
.38
.35
.32
.29
.26
.24
.22
.20
.18
.30
.45
.40
.36
.32
.29
.26
.24
.21
.19
.17
.16
.70
.44
.42
.39
.37
.34
.32
.30
.28
.26
.24
.22
.70
.50
.44
.41
.37
.34
.31
.28
.26
.24
.22
.20
.18
.30
.44
.40
.36
.32
.29
.26
.24
.21
.19
.17
.16
.50
.42
.39
.36
.33
.30
.28
.26
.23
.21
.19
.18
.50
.30
.42
.38
.35
.31
.28
.25
.23
.21
.19
.17
.16
.10
.42
.38
.33
.30
.27
.24
.22
.19
.17
.15
.14
LUMINANCE DATA (cd/m 2)
Cone Dia. (Feet)
Across
Diagonal
8.8
6.4
11.0
8.0
13.2
9.6
15.4
11.2
17.6
12.8
19.8
14.4
22.0
16.0
FIXTURE QUANTITY ESTIMATOR TABLE
.70
.45
.43
.40
.38
.35
.33
.31
.28
.26
.25
.23
VERTICAL
HORZ.
ANGLE
ANGLE
45
21972.
55
12876.
65
8187.
75
3279.
85
150.
MAXIMUM BRIGHTNESS
NOT MEASURED
COLOR CONVERSION FACTORS
Straw = x .97
Champagne = x .96
Micro-Baffle = x .60
Gold = x .93
Wheat = x .88
Pewter = x .86
LABELS
UL/CUL listed for
through-branch circuit
wiring and wet location
under covered ceiling.
Downlights
Page 14B
H.E . W illiams, In c.
C ar t hage, Mis s our i
Information contained herein is subject to change without notice.
w w w.he w.c om
417- 3 5 8 - 4 0 6 5
HEW33944JL 09/27/16