Lightolier MBS2GHP228WA Dépliant
Mini-Beam HP 2'x4' Recessed Fluorescent
MBS2GHP228WA
Page 2 of 2
Direct/Indirect, Static, 2 Lamp, Linear T5, 28 Watt
Job Information
Type:
Ordering Information
Explanation of Catalog Number. Example: MBS2GHP228120WA
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 28W luminaires in a room cavity of
1, with reflectance of 80% ceiling, 50% walls, 20% floor, the C.U. shall not be
less than 0.93. To control veiling reflections, luminaire output in the 30°-90°
zone shall not be less than 75.4%.
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–Prismatic virgin acrylic lens.
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.
1, with reflectance of 80% ceiling, 50% walls, 20% floor, the C.U. shall not be
less than 0.93. To control veiling reflections, luminaire output in the 30°-90°
zone shall not be less than 75.4%.
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–Prismatic virgin acrylic lens.
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.
Mini-Beam
Direct/Indirect
Recessed
2
Fixture
Width
G
Ceiling Type:
Fits both
Standard Grid
and
Slot Grid
HP
High
Performance
Prismatic
Lens
Voltage:
120 or 277
UNV=120-277
WA
Options:
Add appropriate
suffix to catalog
no, ie: (GLR)
S
Body Style:
S = Static
Lamp
Quantity
1=1 Lamp
2=2 Lamp
2=2 Lamp
28
Lamp Quantity:
(By others)
28 = 28 Watt T5
MB
Lightolier
a Genlyte 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.
© 2005 a Genlyte company
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.
© 2005 a Genlyte company
Section 5/Folio M20-26
0.0
45.0
90.0
FLUX
0
1458
1458
1458
5
1446
1471
1490
141
15
1394
1504
1565
422
25
1299
1471
1522
665
35
1164
1350
1376
821
45
989
1160
1245
882
55
776
933
1047
829
65
522
673
779
660
75
261
446
530
441
85
51
131
142
128
90
0
0
0
Model No. MBS2GHP228120WA
LER = FP - 75.4
IW - 55.4
BF - 0.93
Comparative yearly lighting energy cost per
1000 lumens = $3.18
Fixture: MBS2GHP228120WA
Quantity: 6 Rows of 7 Fixtures
Efficiency: 90.7%
Room Size: 60' x 56' x 9'
Reflectance: 80/50/20
Lumens: T5 Lamp: 2750
Ballast Factor: 0.93
Average Maint. fc: 52.4
Watts/Square Foot: 0.69
Quantity: 6 Rows of 7 Fixtures
Efficiency: 90.7%
Room Size: 60' x 56' x 9'
Reflectance: 80/50/20
Lumens: T5 Lamp: 2750
Ballast Factor: 0.93
Average Maint. fc: 52.4
Watts/Square Foot: 0.69
CANDELA DISTRIBUTION
0
AVERAGE AVERAGE AVERAGE AVERAGE
IN DEG.
0-DEG.
45-DEG.
90-DEG.
45
2000.
2345.
2517.
55
1934.
2325.
2610.
65
1766.
2277.
2635.
75
1442.
2464.
2928.
85
837.
2149.
2329.
LUMINANCE DATA IN CANDELA/SQ. METER
COEFFICIENTS OF UTILIZATION –
ZONAL CAVITY METHOD. EFFECTIVE
FLOOR CAVITY REFLECTANCE 0.20
FLOOR CAVITY REFLECTANCE 0.20
0
RC
80
50
30
RW 70 50 30 50 30 10 50 30 10
1
98 93 89 87 84 81 84 81 79
2
89 81 74 76 70 66 73 68 65
3
80 70 62 66 60 55 64 58 54
4
73 62 54 58 52 46 56 50 46
5
67 55 47 52 45 40 50 44 39
6
62 49 41 47 40 35 45 39 34
7
57 45 36 43 35 30 41 35 30
8
53 41 33 39 32 27 38 31 27
9
50 37 30 36 29 24 35 29 24
10 47 34 27 33 26 22 32 26 22
ZONE
LUMENS % LAMP
% FIXT
0
0-
0
30
1229
22.3
24.6
0
0-
0
40
2050
37.3
41.1
0
0-
0
60
3760
68.4
75.4
0
0-
0
90
4990
90.7
100.0
90-180
000
0
0.0
00
0.0
0
0-180
4990
90.7
100.0
ZONAL LUMEN SUMMARY
60'
56'
Report Number: G2005263
Catalog Number: MBS2GHP228120WA
Lamp: FP28/835
Luminaire: MBS with prismatic lens
Ballast: WA Energy Smart
Report is based on 2750 lumens per lamp.
Efficiency: 90.7%
CIE Type-Direct-Indirect
Plane:
Catalog Number: MBS2GHP228120WA
Lamp: FP28/835
Luminaire: MBS with prismatic lens
Ballast: WA Energy Smart
Report is based on 2750 lumens per lamp.
Efficiency: 90.7%
CIE Type-Direct-Indirect
Plane:
0-Deg.
90-Deg.
Spacing Criteria:
1.3
1.4
Shielding Angles:
90
90
Plane:
0-Deg.
90-Deg.
Luminous Length: 46.920
22.920
MBS vs Typical troffer with Magnetic ballast
and 3 T12 34 watt lamps.
HOURS
INPUT COST/KWH
BURNED
YEARLY
WATT
.10
¢
/1000
PER YEAR
COST
148
.000
6570
$97.24
56
.000
6570
$36.19
MBS Savings per fixture $60.45
Ballast Type:
Energy Smart
WA = Linear T5 Instant
Start Less than
10 THD 56 Input
Watts 0.93
Ballast Factor
10 THD 56 Input
Watts 0.93
Ballast Factor
Other Ballast Options:
<
20THD
<
10THD
1-2 Lamp 28W Elec. T5
–
P
I
†
1-2 Lamp 28W Elec. T5
–
†
PG ††
†
†Instant Start (120V or 277V only)
††Program Rapid Start (UNV only)
Standard Mini-Beam
M3
For NYC Code – Local 3 Manufactured