Lightolier MBS2GHP254 Page 2 of, Ordering Information, Options/Accessories, Specifications, Type

Mini-Beam HP 2' x 4' Recessed Fluorescent MBS2GHP154/254

Page 2 of 2 Direct/Indirect, Static, 1 and 2 Lamp, Linear T5, 54 Watt

Model No. MBS2GHP154120PG

LER = FP - 67.4 IW - 63.7 BF - 1.05 Comparative yearly lighting energy cost per

1000 lumens = $3.56

Report Number: G2005266

Catalog Number: MBS2GHP154120PG

Lamp: FP28/835

Luminaire: MBS with solid white lens

Ballast: B254IUNV-E

Report is based on 4400 lumens per lamp.

Efficiency: 92.7%
CIE Type-Direct-Indirect
Plane:				0-Deg.			90-Deg.
Spacing Criteria:					1.2		1.5
Shielding Angles:					90			90
Plane:				0-Deg.			90-Deg.
Luminous Length:				46.800			22.800
COEFFICIENTS OF UTILIZATION –
ZONAL CAVITY METHOD. EFFECTIVE
FLOOR CAVITY REFLECTANCE 0.200
RC		80			50			30
RW	70	50	30	50	30	10	50	30	10
01	100	95	91	89	86	83	85	83	80
02	90	82	76	77	72	67	74	70	66
03	82	72	64	67	61	56	65	59	55
04	75	63	55	60	53	47	57	51	46
05	69	56	47	53	46	40	51	45	40
06	63	50	42	48	40	35	46	40	35
07	58	45	37	43	36	31	42	35	31
08	54	41	33	39	32	27	38	32	27
09	51	38	30	36	29	25	35	29	24
10	47	35	27	33	27	22	33	26	22

LUMINANCE DATA IN CANDELA/SQ. METER

AVERAGE AVERAGE AVERAGE AVERAGE

IN DEG.	0-DEG. 45-DEG. 90-DEG.
45	1623.	2103.	2293.
55	1555.	2078.	2058.
65	1457.	1886.	2029.
75	1194.	1975.	2433.
85	0693.	1839.	2266.

CANDELA DISTRIBUTION0
0.0	45.0	90.0	FLUX
0	1267	1267	1267
5	1245	1256	1250	119
15	1190	1174	1160	333
25	1088	1091	1174	516
35	955	1061	1221	674
45	790	1024	1117	757
55	614	821	813	685
65	424	549	590	525
75	213	352	434	357
85	42	110	136	113
90	3	3	5

ZONAL LUMEN SUMMARY

ZONE	LUMENS	% LAMP	% FIXT
00-030	0968	22.0	23.7
00-040	1642	37.3	40.3
00-060	3084	70.1	75.6
00-090	4080	92.7	100.0
90-180	0000	00.0	000.0
00-180	4080	92.7	100.0

Model No. MBS2GHP254120PG

LER = FP - 68.3 IW - 122.4 BF - 1.0 Comparative yearly lighting energy cost per

1000 lumens = $2.52

Report Number: G2005256

Catalog Number: MBS2GHP254120PG

Lamp: FP54T5 HO

Luminaire: MBS with high performance prismatic lens

Ballast: QT2X54

Report is based on 4400 lumens per lamp.

Efficiency: 95.2%
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:				46.800			22.800
COEFFICIENTS OF UTILIZATION –
ZONAL CAVITY METHOD. EFFECTIVE
FLOOR CAVITY REFLECTANCE 0.200
RC		80			50			30
RW	70	50	30	50	30	10	50	30	10
01	103	98	94	92	88	85	88	85	83
02	93	85	78	79	74	69	76	72	68
03	84	74	66	69	63	58	67	61	57
04	77	65	56	61	54	49	59	53	48
05	71	58	49	55	47	42	53	46	41
06	65	52	43	49	42	36	48	41	36
07	60	47	38	45	37	32	43	37	32
08	56	43	35	41	34	29	40	33	28
09	52	39	31	38	31	26	36	30	25
10	49	36	28	35	28	23	34	27	23

LUMINANCE DATA IN CANDELA/SQ. METER

AVERAGE AVERAGE AVERAGE AVERAGE

IN DEG.	0-DEG. 45-DEG. 90-DEG.
45	3454.	4004.	4321.
55	3329.	3952.	4347.
65	3010.	3859.	4360.
75	2446.	4169.	4932.
85	1400.	3715.	4082.

CANDELA DISTRIBUTION0
0.0	45.0	90.0	FLUX
0	2472	2472	2472
5	2454	2495	2528	239
15	2369	2549	2648	716
25	2210	2489	2564	1125
35	1983	2274	2298	1383
45	1682	1950	2104	1488
55	1315	1561	1717	1382
65	876	1123	1269	1093
75	436	743	879	733
85	84	223	245	217
90	5	5	5

ZONAL LUMEN SUMMARY

ZONE	LUMENS	% LAMP	% FIXT
00-030	2080	23.6	24.8
00-040	3462	39.3	41.3
00-060	6332	72.0	75.6
00-090	8375	95.2	100.0
90-180	0000	00.0	000.0
00-180	8375	95.2	100.0

Ordering Information

Explanation of Catalog Number. Example: MBS2GHP154120WBGLR

		S	2		G	HP
	Mini-Beam	Body Style:	Fixture		Ceiling Type:	High
Direct/Indirect		S = Static	Width		Fits both	Performance
	Recessed			Standard Grid		Prismatic
					and	Lens
					Slot Grid

Lamp

Quantity

1=1 Lamp

2=2 Lamp

54

Lamp Quantity:

(By others)

Voltage:				Options:
120 or 277			Add appropriate
			suffix to catalog
				no, ie: (GLR)
	Ballast:
		<20THD <10THD

MB	Standard Mini-Beam
M3	For NYC Code – Local 3 Manufactured

54 = HO/T5 54 Watt

1 or 2 Lamp 54W Elec. T5 – PG ††

WB = Linear T5 Programmable Start Less than 10 THD 58 Input Watts

1.0Ballast Factor

(WB ballast option is only available in

1 lamp option)

††Program Rapid Start (UNV only).

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 1 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 .95. To control veiling reflections, luminaire output in the 30°-90° zone shall not be less than 76.3%.

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–White 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.

Job Information	Type:
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	Section 5/Folio M20-24