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Lightolier MBS2GPW254 Fascicule

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Mini-Beam 2' x 4' Recessed Fluorescent
MBS2GPW254
Page 2 of 2
Direct/Indirect, Static, 2 Lamp, Linear T5, 54 Watt or 28 Watt
Lightolier 
a Genlyte Thomas Company
www.lightolier.com
Technical Information: (978) 657-7600 • Fax (978) 658-0595
631 Airport Road, Fall River, MA 02720 • (508) 679-8131 • Fax (508) 674-4710
We reserve the right to change details of design, materials and finish.
Copyright 2004 Lightolier
Section5/Folio M20-22 Rev. A
Job Information
Type:
Ordering Information
Explanation of Catalog Number. Example: MBS2GPW254120PGGLR
Options/Accessories
Fusing: Internal fast-blow fusing. Suffix: GLR.
Internal slow-blow fusing. Suffix: GMF.
Electrical/Wiring Options: Consult factory.
Specifications
Performance: In an installation of 2 lamps 54W luminaires in a room cavity of
1, with reflectance of 80% ceiling, 50% walls, 20% floor, the C.U. shall not be
less than .74. To reduce glare the average brightness at 65° shall not exceed
8112 candelas per square meter. To control veiling reflections, luminaire output
in the 30°-90° zone shall not be less than 74.8%.
Materials: Housing is die-formed 20 gauge steel.
Finish: Chassis exterior–baked white acrylic enamel. Reflector–baked flat
white acrylic enamel, minimum 86% reflectance. Phosphate undercoating.
Lamp Shield–baked flat white acrylic enamel.
Electrical: Thermally protected class “P” ballast C.B.M. approved, non PCB. If
K.O. is within 3" of ballast, use wire suitable for at least 90°.
Labels: I.B.E.W./UL and ULc Listed.
Photometry
Model No. MBS2GPW254120PG
MB
Mini-Beam
Direct/Indirect
Recessed
with Perforated
Mesh Shield
2
Fixture
Width
G
Ceiling Type:
Fits both
Standard Grid
and
Slot Grid
P
Perforated
Lamp Shield
W
White
Reflector
Voltage:
120 or 277
Options:
Add appropriate
suffix to catalog
no, ie: (GLR)
Ballast:
PI = Linear T5
Instant Start
Less than 10 THD
PG = Programmed
Start
Less than 10 THD
DA = DALI digital
addressable
dimming
coefficients of utilization — zonal cavity method  (effective floor cavity reflectance 0.20)
RF
20
20
20
RC
80
50
30
RW
70
50
30
50
30
10
50
30
10
1
77
74
70
69
67
64
66
64
62
2
70
64
59
60
56
52
57
54
51
3
63
56
49
52
47
43
50
46
43
4
58
49
42
46
41
37
44
40
36
5
53
44
37
41
36
32
40
35
31
6
49
39
33
37
32
27
36
31
27
7
45
35
29
34
28
24
33
28
24
8
42
32
26
31
25
22
30
25
21
9
39
30
24
28
23
19
28
23
19
10
37
27
21
26
21
18
25
21
17
visual comfort probability
room size
ceiling height
ceiling height
W
L
8.5
10.0
13.0
16.0
8.5
10.0
13.0
16.0
20
20
36
44
57
71
28
36
51
67
20
30
31
36
43
55
24
26
33
47
20
40
30
32
37
44
23
24
26
33
20
60
29
31
34
39
23
23
24
27
30
20
35
42
53
67
30
37
49
64
30
30
30
34
40
51
25
27
32
44
30
40
28
30
34
41
24
24
25
31
30
60
28
29
31
35
23
23
22
25
30
80
29
30
29
33
24
24
22
24
40
20
36
42
51
64
33
39
49
63
40
30
31
33
38
48
27
29
33
44
40
40
29
30
33
39
26
26
26
31
40
60
29
29
29
33
25
25
23
25
40
80
30
29
28
31
26
25
22
24
40
100
31
30
28
31
27
26
23
23
60
30
33
35
38
47
30
31
34
44
60
40
31
31
32
37
28
27
26
32
60
60
30
29
28
32
27
26
23
25
60
80
31
30
27
30
27
26
23
24
60
100
32
31
23
29
28
26
23
23
100
40
35
35
34
38
33
32
30
35
100
60
34
33
30
32
31
30
26
28
100
80
35
33
29
30
31
29
25
26
100
100
36
33
29
29
32
29
25
25
room cavity ratio
luminaries lengthwise
luminaries crosswise
LER = FL - 60.5
IW - 120.2
BF - 1.00
Comparative yearly lighting energy cost per 1000 lumens = $3.96
S
Body Style:
S = Static
2
Lamp
Quantity
Lamp Quantity:
(By others)
54 = HO/T5 54 Watt
28 = 28 Watt T5
For Local 3 Manufacturing, substitute
for
. Example: MNS2GPW154120PGGLR
.
MN
MN
For Local 3
Manufacturing
MB
THIS REPORT IS BASED ON PUBLISHED INDUSTRY PROCEDURES • FIELD PERFORMANCE MAY VARY FROM LABORATORY PERFORMANCE.