Cooper Lighting Micro-Bay Luminaire manual Dimensions, T5 Lamp Configurations

Dimensions

T5 Lamp Configurations

Focus Beam, 1 or 2 Lamp

X

3-9/32"	1-31/32" [51mm]
[84mm]	1"
	[26mm]
X=2-11/16"	4-5/16"
[69mm]
	[110mm]
Task Beam, 1 Lamp	Task Beam, 2 Lamp
X		X
	3-9/32"	1-31/32" [51mm]

Photometrics

⊥

C o e f f i c i e n t s o f U t i l i z a t i o n

		Effective floor cavity reflectance							20%
rc			80%				50%			30%
rw	70		50	30	10	50	30	10	50	30	10
RCR
0		112	112	112	112	105	105	105	100	100	100
1		101	97	92	88	90	87	84	87	84	81
2		92	84	77	71	78	73	69	75	71	67
3		84	73	65	59	69	62	57	66	61	56
4		76	65	56	50	61	54	49	59	53	48
5		70	58	49	43	55	47	42	53	46	41
6		65	52	43	37	49	42	37	48	41	36
7		60	47	39	33	45	38	32	44	37	32
8		56	43	35	29	41	34	29	40	34	29
9		52	40	32	26	38	31	26	37	31	26
10		49	37	29	24	35	28	24	34	28	24

5-7/8"	1"	[84mm]		1-3/16"
[150mm]	[26mm]
				[31mm]
		X=2-11/16"
			4-5/16"
		[69mm]
			[110mm]
X=2-11/16"	7-7/32" [184mm]
[69mm]
	Normal Beam, 1 or 2 Lamp
		X
	3-9/32"	1-31/32" [51mm]

MB-132-NB-UNV-EB81	Z o n a l L u m e n S u m m a r y
Electronic Ballast
	Zone	Lumens	%Lamp	%Fixture
(1) 32W T8 Lamp, 2850 lumens
	0-30	722	25.3	26.9
Spacing criterion: (II) 1.2 x mounting
	0-40	1133	39.8	42.3
height, (⊥) 1.2 x mounting height	0-60	2012	70.6	75.0
Efficiency 94.1%	0-90	2679	94.0	99.9
Test Report: 10267	0-180	2682	94.1	100.0

[84mm]	1-7/16"
X=2-11/16"	[37mm]
	4-5/16"
[69mm]
	[110mm]

T8 Lamp Configurations

Focus Beam, 1 Lamp			Focus Beam, 2 Lamp
X			X
5-11/16"	1-1/8"	4-3/16"	29/32"
		[107mm]	[24mm]
[145mm]	[29mm]
		X=2-11/16"	8-5/8"
		[69mm]

C o e f f i c i e n t s o f U t i l i z a t i o n

		Effective floor cavity reflectance							20%
rc			80%				50%			30%
rw	70		50	30	10	50	30	10	50	30	10
RCR
0		113	113	113	113	106	106	106	101	101	101
1		102	97	93	89	91	88	85	87	84	82
2		93	84	77	71	79	73	69	76	71	67
3		84	73	65	59	69	62	57	66	61	56
4		77	65	56	49	61	54	48	59	53	48
5		70	58	49	42	55	47	42	53	46	41
6		65	52	43	37	49	42	36	48	41	36
7		60	47	39	33	45	37	32	43	37	32
8		56	43	35	29	41	34	29	40	33	29
9		53	40	32	26	38	31	26	37	30	26
10		49	37	29	24	35	28	24	34	28	23

X=2-11/16"	9-1/16" [231mm]	[220mm]
[69mm]
	Task Beam, 1 or 2 Lamp
		X
	3-3/8"	29/32"
	[86mm]	[24mm]
	X=2-11/16"	7-9/16"
	[69mm]

MB-132-TB-UNV-EB81	Z o n a l L u m e n S u m m a r y
Electronic Ballast
	Zone	Lumens	%Lamp	%Fixture
(1) 32W T8 Lamp, 2850 lumens
	0-30	700	24.6	25.8
Spacing criterion: (II) 1.2 x mounting
	0-40	1104	38.7	40.7
height, (⊥) 1.0 x mounting height	0-60	2001	70.2	73.8
Efficiency 95.1%	0-90	2707	95.0	99.9
Test Report: 10266	0-180	2711	95.1	100.0

	[193mm]
Normal Beam, 1 or 2 Lamp
	X
3-11/32"	29/32"
[85mm]	[24mm]
X=2-11/16"	7-3/32"
[69mm]
	[181mm]

Top View

C o e f f i c i e n t s o f U t i l i z a t i o n

		Effective floor cavity reflectance							20%
rc			80%				50%			30%
rw	70		50	30	10	50	30	10	50	30	10
RCR
0		115	115	115	115	108	108	108	103	103	103
1		108	105	102	99	99	97	95	95	94	92
2		101	96	91	87	91	87	84	88	85	82
3		95	87	81	76	83	78	75	81	77	73
4		88	79	73	68	76	71	66	74	69	66
5		82	72	65	60	69	64	59	68	63	59
6		77	66	59	54	64	58	53	62	57	53
7		72	61	64	49	59	53	48	57	52	48
8		67	56	49	44	54	48	43	53	47	43
9		62	51	44	39	49	43	39	48	43	39
10		58	47	40	36	46	40	35	45	39	35

4' and 8'	7/8" [23mm] K.O. (3)	1-3/4" x 3-1/4" K.O. (1)
	Ceiling Stand-Off
	Embossments	Ground Screw Bump
2-11/16"
[69mm]
	(4’) 43-3/4" [1112mm]	(8’) 91-3/4" [2330mm]
	(4’) 48" [1220mm]	(8’) 96" [2438mm]

MB-132-FB-UNV-EBT1

Electronic Ballast	Z o n a l L u m e n S u m m a r y
(1) 32W T8 Lamp, 2850 lumens	0-30	1251	43.9	45.3
	0-40	1758	61.7	63.7
Spacing criterion: (II) 1.2 x mounting
	0-60	2535	88.9	91.9
height, (⊥) 0.5 x mounting height
	0-90	2759	96.8	100.0
Efficiency 96.8%	0-180	2759	96.8	100.0
Test Report: 09363

Illuminance Estimator

Choose the spacing and mounting height to determine the average footcandle and watts per square foot values.

Illuminance Levels (FC) & Watts Per Sq. Ft. (LPD)

Micro-Bay					Based on 120 ft. x 10 ft. Aisle
		20 ft			25 ft			30 ft			35 ft			40 ft
	Qty	FC	LPD	Qty	FC	LPD	Qty	FC	LPD	Qty	FC	LPD	Qty	FC	LPD
MB-132-NB	30	31	0.8	38	32	1.01	44	31	1.17	52	31	1.39	58	30	1.55
MB-154-NB	17	31	0.84	21	31	1.03	24	35	1.18	28	30	1.38	32	30	1.57
MB-232-FB	16	31	0.76	19	30	0.90	23	31	1.09	26	30	1.24	30	30	1.43
MB-254-FB	11	32	0.99	13	31	1.17	16	32	1.44	18	31	1.62	20	30	1.80