
Mini-Beam 2' x 4' Recessed Fluorescent MBS2GPW254
Page 2 of 2 | Direct/Indirect, Static, 2 Lamp, Linear T5, 54 Watt or 28 Watt |
Photometry | Model No. MBS2GPW254120PG |
THIS REPORT IS BASED ON PUBLISHED INDUSTRY PROCEDURES • FIELD PERFORMANCE MAY VARY FROM LABORATORY PERFORMANCE.
LER = FL - 60.5 | IW - 120.2 |
| BF - 1.00 |
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Comparative yearly lighting energy cost per 1000 lumens = $3.96 |
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| coefficients of utilization — zonal cavity method | (effective floor cavity reflectance 0.20) |
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| RF |
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| 20 |
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| 20 |
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| 20 |
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| RC |
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| 80 |
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| 50 |
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| 30 |
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| RW |
| 70 |
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| 50 |
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| 30 |
| 50 | 30 |
| 10 |
| 50 |
| 30 | 10 | |
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| 1 |
| 77 |
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| 74 |
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| 70 |
| 69 | 67 |
| 64 |
| 66 |
| 64 | 62 | |
| ratio | 2 |
| 70 |
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| 64 |
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| 59 |
| 60 | 56 |
| 52 |
| 57 |
| 54 | 51 | |
| 3 |
| 63 |
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| 56 |
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| 49 |
| 52 | 47 |
| 43 |
| 50 |
| 46 | 43 | ||
| cavity | 4 |
| 58 |
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| 49 |
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| 42 |
| 46 | 41 |
| 37 |
| 44 |
| 40 | 36 | |
| 5 |
| 53 |
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| 44 |
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| 37 |
| 41 | 36 |
| 32 |
| 40 |
| 35 | 31 | ||
| room | 6 |
| 49 |
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| 39 |
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| 33 |
| 37 | 32 |
| 27 |
| 36 |
| 31 | 27 | |
| 7 |
| 45 |
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| 35 |
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| 29 |
| 34 | 28 |
| 24 |
| 33 |
| 28 | 24 | ||
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| 8 |
| 42 |
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| 32 |
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| 26 |
| 31 | 25 |
| 22 |
| 30 |
| 25 | 21 | |
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| 9 |
| 39 |
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| 30 |
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| 24 |
| 28 | 23 |
| 19 |
| 28 |
| 23 | 19 | |
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| 10 |
| 37 |
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| 27 |
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| 21 |
| 26 | 21 |
| 18 |
| 25 |
| 21 | 17 | |
| visual comfort probability |
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| room size |
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| ceiling height |
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| ceiling height |
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| W |
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| L |
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| 8.5 | 10.0 | 13.0 |
| 16.0 |
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| 8.5 | 10.0 | 13.0 |
| 16.0 | ||
20 |
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| 20 |
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| 36 | 44 | 57 |
| 71 |
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| 28 | 36 | 51 |
| 67 | |
20 |
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| 30 |
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| 31 | 36 | 43 |
| 55 |
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| 24 | 26 | 33 |
| 47 | |
20 |
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| 40 |
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| 30 | 32 | 37 |
| 44 |
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| 23 | 24 | 26 |
| 33 | |
| 20 |
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| 60 |
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| 29 | 31 | 34 |
| 39 |
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| 23 | 23 | 24 |
| 27 |
30 |
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| 20 |
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| 35 | 42 | 53 |
| 67 |
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| 30 | 37 | 49 |
| 64 | |
30 |
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| 30 |
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| 30 | 34 | 40 |
| 51 |
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| 25 | 27 | 32 |
| 44 | |
30 |
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| 40 |
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| 28 | 30 | 34 |
| 41 |
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| 24 | 24 | 25 |
| 31 | |
30 |
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| 60 |
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| 28 | 29 | 31 |
| 35 |
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| 23 | 23 | 22 |
| 25 | |
| 30 |
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| 80 |
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| lengthwise |
| 29 | 30 | 29 |
| 33 |
| crosswise |
| 24 | 24 | 22 |
| 24 |
40 |
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| 40 |
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| 29 | 30 | 33 |
| 39 |
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| 26 | 26 | 26 |
| 31 | |||
40 |
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| 20 |
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| 36 | 42 | 51 |
| 64 |
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| 33 | 39 | 49 |
| 63 | |
40 |
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| 30 |
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| luminaries |
| 31 | 33 | 38 |
| 48 |
| luminaries |
| 27 | 29 | 33 |
| 44 | |
40 |
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| 60 |
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| 29 | 29 | 29 |
| 33 |
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| 25 | 25 | 23 |
| 25 | |||
40 |
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| 80 |
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| 30 | 29 | 28 |
| 31 |
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| 26 | 25 | 22 |
| 24 | |
| 40 |
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| 100 |
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| 31 | 30 | 28 |
| 31 |
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| 27 | 26 | 23 |
| 23 |
60 |
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| 30 |
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| 33 | 35 | 38 |
| 47 |
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| 30 | 31 | 34 |
| 44 | |
60 |
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| 40 |
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| 31 | 31 | 32 |
| 37 |
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| 28 | 27 | 26 |
| 32 | |
60 |
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| 60 |
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| 30 | 29 | 28 |
| 32 |
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| 27 | 26 | 23 |
| 25 | |
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60 |
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| 80 |
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| 31 | 30 | 27 |
| 30 |
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| 27 | 26 | 23 |
| 24 | |
| 60 |
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| 100 |
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| 32 | 31 | 23 |
| 29 |
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| 28 | 26 | 23 |
| 23 |
100 |
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| 40 |
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| 35 | 35 | 34 |
| 38 |
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| 33 | 32 | 30 |
| 35 | |
100 |
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| 60 |
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| 34 | 33 | 30 |
| 32 |
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| 31 | 30 | 26 |
| 28 | |
100 |
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| 80 |
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| 35 | 33 | 29 |
| 30 |
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| 31 | 29 | 25 |
| 26 | |
| 100 |
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| 100 |
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| 36 | 33 | 29 |
| 29 |
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| 32 | 29 | 25 |
| 25 |
Ordering Information
Explanation of Catalog Number. Example: MBS2GPW254120PGGLR
MB |
| S |
| 2 |
| G |
| P | ||
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W
2
| Body Style: |
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Fixture | Ceiling Type: | Perforated | |||||
Direct/Indirect | S = Static | Width | Fits both | Lamp Shield | |||
Recessed |
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| Standard Grid |
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with Perforated |
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| and |
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| Slot Grid |
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White
Reflector
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Lamp |
| Voltage: | |
Quantity |
| 120 or 277 | |
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| Lamp Quantity: |
Ballast:
Options:
Add appropriate suffix to catalog no, ie: (GLR)
Mesh Shield |
MN |
For Local 3 |
Manufacturing |
For Local 3 Manufacturing, substitute MN for MB . Example: MNS2GPW154120PGGLR . |
Options/Accessories
Fusing: Internal
Internal
Electrical/Wiring Options: Consult factory.
(By others) |
54 = HO/T5 54 Watt |
28 = 28 Watt T5 |
PI = Linear T5 Instant Start Less than 10 THD
PG = Programmed Start
Less than 10 THD
DA = DALI digital addressable dimming
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
Materials: Housing is die-formed 20 gauge steel.
Finish: Chassis
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.
Job Information | Type: | |
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Lightolier a Genlyte Thomas Company | www.lightolier.com | |
Technical Information: (978) | ||
631 Airport Road, Fall River, MA 02720 • (508) | ||
We reserve the right to change details of design, materials and finish. | ||
Copyright 2004 Lightolier |
| Section5/Folio |