PORTFOLIO
DESCRIPTION
A low brightness non-ferrous 4" diameter downlight for use with A19 lamps
(100W max, frosted lamps recommended). The precisely formed
non-imaging reflector ensures 55° cutoff to lamp and lamp image. The
modular housing system supports various downlight and wallwash
reflectors.
Type
Catalog #
Project
Date
Comments
Prepared by
SPECIFICATION FEATURES
A ... Reflector
Positive reflector mounting pulls
trim tight to ceiling. 0.050" spun
aluminum reflector. Available in a
variety of Alzak® finishes.
E ... Universal Mounting
Bracket
Accepts various Non-Ferrous
hanger bars by others. Provides 5"
total adjustment.
B ... Trim Ring
Self flanged or molded white trim
ring. Rimless trim ring accessory
available (see Accessories).
F ... Conduit Fittings
Die-cast screw tight connectors
with aluminum lock nut and
stainless steel screw.
C ... Socket Cap
One piece heat dissipating die-cast
aluminum with non-ferrous
reflector attachment.
G ... Junction Box
Made entirely of non-ferrous
material. U.L. listed for four in,
four out #12 at 90°C pull through
branch wiring. Pry-outs for four
1/2" and two 3/4" conduits. Access
to junction box by removing
reflector.
D ... Housing
Precision die-cast aluminum
1-1/2" (38mm) deep collar. Optical
assembly adjusts within the
housing to accommodate ceilings
up to 3 1/2" (89mm) thick.
H ... Socket
Medium base porcelain socket with
nickel plated screw shell and
non-ferrous fasteners.
I ... Socket Cap Support
Non-ferrous brackets with stainless
steel hardware to allow socket cap
adjustment.
Insulation Detector
Self-resetting insulation detector
opens circuit if insulation is
improperly installed.
HD4MRI
4551/4550
Labels
cULus Listed, damp location.
Options & Accessories
TRR=Rimless Trim Rings for
minimal flange appearance in
plaster ceilings
100W MAX
A19
4" WIDE BEAM DOWNLIGHT
Top View
8 1/16”
[204.22mm]
12 15/16”
[329mm]
Aperture 4 1/2”
[114.25mm]
Cutout 5 3/16”
[131.55mm]
11 1/4”
[286mm]
OD 5 3/4”
[146.04mm]
ORDERING INFORMATION
Sample Number: Complete unit consists of housing, ballast and trim.
Housing
HD4=4'' Incandescent
HD4MRI=4"
Non-Ferrous
Incandescent
Options
CP=Chicago Plenum
Trims
4551=WD Beam Self Flanged
Reflector
4550=Molded Trim Ring
Finish
B=Specular Black
G=Specular Gold
GP=Graphite
Option
WF=White Painted
Flanged (Self
Flanged only)
GPH=Graphite Haze
H=Semi-Specular Clear
LI=Specular Clear
W=Gloss White
WH=Wheat
WHH=Wheat Haze
Accessories
H277=Step Down Transformer, 300VA Max
HB26=C Channel Bar Hangers, 26" Long,
Pair
HB50=C Channel Bar Hangers, 50" Long,
Pair
TRM4=Metal Trim Ring, Specify Finish
TRR4=Rimless Trim Ring, White
FK5=5 Amp Field Installable Fuse Kit 300V
Max
RMB-22=Wood Joist Bar Hanger, 22" Long,
Pair
WMH=Warm Haze
Specifications and Dimensions subject to change without notice.
Consult your representative for additional options and finishes.
ADP050096
09/27/2013 5:17:26 PM
HD4MRI 4551/4550
PHOTOMETRICS
Test No. H21082
HD4-4550C
Lamp=75W A19IF
Inside Frosted
Lumens=885
Spacing Criteria=1.2
Efficiency=61.3%
70
140
Average
Luminance
Candlepower
Candlepower Distribution
210
280
Deg.
0
5
15
25
35
45
55
65
75
85
90
CD
270
272
312
348
283
97
23
1
0
0
0
Deg.
45
55
65
75
85
Cone of Light
CD/SQ M
13337
3839
184
0
0
Distance to
Illuminated Plane
Initial Nadir
Footcandles
4'6"
5'6"
6'6"
8'0"
10'0"
12'0"
Beam
Diameter
6'6"
8'0"
9'6"
11'6"
14'6"
17'6"
13
9
6
4
3
2
Beam diameter is to 50% of maximum footcandles, rounded
to the nearest half-foot.
Footcandle values are initial, apply appropriate light loss
factors where necessary.
350
Reflector Multiplier
Straw = 0.90
Wheat = 0.90
Haze = 0.95
Zonal Lumen Summary
Zone
0-30
0-40
0-60
0-90
90-180
0-180
Lumens
275
445
541
542
0
542
%Lamp
31.0
50.3
61.2
61.3
0.0
61.3
Coefficient of Utilization
%Luminaire
50.6
82.1
99.8
100.0
0.0
100.0
rc
rw
RCR
0
1
2
3
4
5
6
7
8
9
10
70
50
80%
30
10
50
70%
30
50%
10
50
73
73
73
73
71
71
71
68
69
68
66
65
66
65
64
64
66
63
61
59
62
60
58
60
63
59
56
53
58
55
53
56
59
55
51
49
54
51
48
53
56
51
47
44
50
47
44
49
53
47
43
41
47
43
40
46
50
43
40
37
43
39
37
42
46
40
36
34
40
36
33
39
43
37
33
30
37
33
30
36
41
34
30
27
34
30
27
33
rc=Ceiling reflectance, rw=Wall reflectance, RCR=Room cavity ratio
CU Data Based on 20% Effective Floor Cavity Reflectance.
10
50
30%
10
50
10%
10
0%
0
68
62
57
52
48
44
40
37
33
30
27
65
62
58
55
51
48
45
42
38
35
33
65
60
55
51
47
43
40
36
33
30
27
62
60
57
53
50
47
44
41
38
35
32
62
58
54
50
47
43
40
36
33
30
27
61
57
53
49
46
42
39
35
32
29
26
Specifications and Dimensions subject to change without notice.
Portfolio • Customer First Center • 1121 Highway 74 South • Peachtree City, GA 30269 • TEL 770.486.4800 • FAX 770.486.4801
ADP050096
09/27/2013 5:17:26 PM