Cooper Lighting Troffer Series, 2AC Candela, Effi c i e n t s of Utilization, Zonal Lumen Summary

2AC 2BX40

PHOTOMETRICS
						2AC-2BX40						Candela
						Electronic Ballast
						(2) F40BX lamps						Angle		Along II		45°		Across
						3000 lumens						0		1558		1558		1558
												5		1555		1554		1558
						Spacing criterion:
												10		1537		1541		1545
						(II) 1.3 x mounting						15		1508		1516		1526
						height, (			) 1.4 x			20		1463		1481		1497
												25		1405		1435		1459
						mounting height
												30		1336		1380		1415
						Efficiency 79.6%						35		1256		1316		1362
						Test Report:						40		1167		1244		1302
												45		1068		1162		1232
						241P137
												50		960		1072		1152
						LER = FL-58						55		843		973		1059
												60		717		864		926
						Yearly Cost of 1000
												65		586		743		751
						lumens, 3000 hrs						70		449		580		571
						at .08 KWH = $4.28						75		312		406		391
												80		186		237		218
												85		81		84		68
												90		0		0		0
C o effi c i e n t s of Utilization
	Effective floor cavity reflectance								20%
rc		80%				70%				50%			30%			10%		0%
rw	70	50	30	10	70	50	30	10	50	30	10	50	30	10	50	30	10	0
RCR
0	95	95	95	95	93	93	93	93	88	88	88	85	85	85	81	81	81	80
1	86	82	79	75	84	80	77	74	77	74	72	74	72	70	71	69	68	66
2	78	71	65	61	76	70	64	60	67	62	58	64	60	57	62	59	56	54
3	71	62	55	50	69	61	54	49	58	53	48	56	51	48	54	50	47	45
4	65	55	47	42	63	54	47	41	51	46	41	50	44	40	48	43	40	38
5	59	49	41	36	57	48	41	35	46	40	35	44	39	35	43	38	34	33
6	55	44	36	31	53	43	36	31	41	35	30	40	34	30	39	34	30	28
7	50	39	32	27	49	39	32	27	37	31	27	36	31	27	35	30	26	25
8	47	36	29	24	46	35	29	24	34	28	24	33	28	24	32	27	24	22
9	44	33	26	22	43	32	26	22	31	26	21	31	25	21	30	25	21	20
10	41	30	24	19	40	30	24	19	29	23	19	28	23	19	28	23	19	18

Zonal Lumen Summary

Zone	Lumens	%Lamp	%Fixture
0-30	1238	19.7	24.7
0-40	2061	32.7	41.1
0-60	3814	60.5	76.0
0-90	5016	79.6	100.0
0-180	5016	79.6	100.0

Luminance Data

	Average	Average	Average
Angle	0-Deg	45-Deg	90-Deg
in Deg	cd/sm	cd/sm	cd/sm
45	4238	4611	4888
55	4124	4759	5180
65	3890	4933	4986
75	3382	4401	4239
85	2608	2704	2189

ORDERING INFORMATION

S A M P L E NUMBER: 2AC - 2BX40 - 120 - EB51 - U

Rating

Blank=

Standard

NY=NewYork

Rated

ATW-SW4=

Chicago

Rated

Width

2=2' Width

Series

AC=Accord Series

Type

A=Air (optional)

Number of Lamps

(Not included)

2=2 Lamp

Wattage (Length)

BX40=40W Compact

Fluorescent (24")

Shielding

Blank=Frosted Acrylic SQP=Lens with Square Pattern Insert RDP=Lens with Round Pattern Insert

Voltage 1

UNV=Universal

120= 120V 277= 277V

Options

GL=Single Element Fuse GM=Double Element Fuse Flex=Flex installed EL=Emergency Installed

LB35=Biax lamp, 40W,	BallastType					Packaging
3500K	EB5 =T5 Biax Electronic Instant Start.					U=Unit Pack
LB41=Biax lamp, 40W,				Total Harmonic Distortion < 20%		PALC=Job Pack,
4100K				(Dedicated voltage required)	2	in carton
			of Ballast
		No.
		1

NOTES:

1Products also available in non-US voltages and frequencies for international markets.

2For universal voltage, program Rapid Start ballast must be specified.

Specifications & dimensions subject to change without notice. Consult your

Cooper Lighting Representative for availability and ordering information.

SHIPPING DATA
Catalog No.		Wt.
	2AC-2BX40	28 lbs.

Specifications and Dimensions subject to change without notice.	ADF070949
Metalux • Customer First Center • 1121 Highway 74 South • Peachtree City, GA 30269 • TEL 770.486.4800 • FAX 770.486.4801	08/02/2008 12:56:40 PM