Lightolier MBS2GPW224 Photometry, Ordering Information, Options/Accessories, Specifications

Mini-Beam 2' x 2' Recessed Fluorescent MBS2GPW224

Page 2 of 2 Direct/Indirect, Static, 2 Lamp, Linear T5, 24 Watt

Photometry

Model No. MBS2GPW224120PG	LER = FL - 41.9			IW - 52.0		BF - 1.00
	Comparative yearly lighting energy cost per 1000 lumens = $5.72
		coefficients of utilization — zonal cavity method							(effective floor cavity reflectance 0.20)
			RF		20					20					20
			RC		80					50					30
			RW	70	50		30		50	30	10		50		30	10
			1	68	65		62		61	59	57		58		57	55
		ratio	2	62	56		52		53	50	47		51		48	46
			3	56	50		44		47	43	39		45		42	39
		cavity	4	51	44		38		41	37	33		40		36	33
			5	47	38		33		36	32	28		35		31	28
		room	6	43	34		29		32	28	24		31		27	24
			7	39	31		25		29	24	21		28		24	21
			8	36	27		22		26	21	18		25		21	18
			9	33	25		19		23	19	15		23		18	15
			10	31	22		17		21	17	14		21		16	13
		visual comfort probability
			room size				ceiling height						ceiling height
		W		L		8.5	10.0	13.0		16.0		8.5	10.0	13.0		16.0
	20			20		64	71	82		91		54	62	76		88
	20			30		60	64	72		81		47	52	60		73
	20			40		59	62	67		73		45	48	53		61
		20		60		59	61	64		69		43	46	48		54
	30			20		62	69	79		88		56	63	75		86
	30			30		58	62	68		77		49	53	59		71
	30			40		57	59	63		69		46	48	52		59
	30			60		57	58	60		65		44	46	47		51
		30		80	lengthwise	57	59	59		63	crosswise	43	45	45		49
	40			40		57	59	61		67		48	50	52		58
	40			20		63	69	77		86		59	65	75		85
	40			30	luminaries	59	61	67		75	luminaries	52	55	60		71
	40			60		57	57	58		62		45	47	47		51
	40			80		57	58	57		61		45	46	44		48
		40		100		58	58	57		60		45	45	44		46
	60			30		59	62	66		73		54	57	61		70
	60			40		58	59	60		65		50	52	53		59
	60			60		57	57	57		60		47	48	47		51
	60			80		57	57	56		58		46	46	45		47
		60		100		58	58	56		58		46	46	43		45
	100			40		60	61	61		66		56	56	56		61
	100			60		59	59	57		60		52	52	50		53
	100			80		59	58	56		58		50	50	47		49
		100		100		60	59	56		57		49	49	46		47

Ordering Information

Explanation of Catalog Number. Example: MBS2GPW224120PGGLR

MB S 2 G P W

2 24

	Body Style:		Ceiling Type:		White
Mini-Beam		Fixture		Perforated
Direct/Indirect	S = Static	Width	Fits both	Lamp Shield	Reflector
Recessed			Standard Grid
with Perforated			and
			Slot Grid

Lamp		Voltage:
Quantity		120 or 277
	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: MNS2GPW224120PGGLR .

(By others)

24 = HO/T5 24 Watt

PI = Linear T5 Instant Start Less than 10 THD

PG = Programmed Start

Less than 10 THD

DA = DALI digital addressable dimming

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 lamp 24W luminaires in a room cavity of 1, with reflectance of 80% ceiling, 50% walls, 20% floor, the C.U. shall not be less than .65. To reduce glare the average brightness at 65° shall not exceed 2725 candelas per square meter. To control veiling reflections, luminaire output in the 30°-90° zone shall not be less than 75.8%.

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–baked flat white acrylic enamel.

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 Thomas 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.
Copyright 2004 Lightolier		Section5/Folio M20-10