Lightolier GM4B4SVI232 Page 2 of, Photometry, Ordering Information, Options & Accessories, Type

Section 6A/Folio P30-10

	GYMLYTE GM4B4SVI232
Page 2 of 2	SURFACE FLUORESCENT, 4' OR 8' LENGTH, 12-5/16" WIDE WITH STEEL WIRE DOOR
	2 OR 3 LAMP T8 OR T12

PHOTOMETRY

MODEL NO. GM4B4SVI232120SO			LER = FL - 52		IW - 62	BF - 0.88
			Comparative yearly lighting energy cost per 1000 lumens = $4.61
	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
	ratio	1	66	63	61	60	58	57	57	56	55
		3	56	51	46	48	45	42	46	44	41
		2	61	57	53	53	51	48	51	49	47
	cavity	4	52	45	41	43	39	36	42	39	36
		5	48	41	36	39	35	32	38	34	31
	room	6	44	37	32	35	31	28	34	30	28
		8	38	30	25	29	24	21	28	24	21
		7	41	33	28	32	27	24	31	27	24
		9	35	27	22	26	22	19	25	21	18
		10	32	24	20	23	19	17	23	19	16

ORDERING INFORMATION

Explanation of Catalog Number. Example: GM4B4SVI232120SOGLR

GM B 4

S

GYMLYTE		BODY STYLE:
HEAVY DUTY		B=Surface
SURFACE
LUMINAIRE
	FIXTURE		FIXTURE
	LENGTH:		WIDTH:
	4=4' Length	4=12-15/16"
	8=8' Length

CEILING
		LAMP
TYPE:		QUANTITY:
S=Surface		2=2 Lamp
		3=3 Lamp
	LENS/
				LAMP TYPE/
SHIELDING TYPE:			FIXTURE LENGTH:
VI=Pattern 12 lens .125"				32=T8
polycarbonate				34=T12
(standard)				(Nominal 48")
KA=Pattern 19 lens .156"

nominal Prismatic lens

VOLTAGE:				OPTIONS:
120 or 277			Add appropriate
			suffix to catalog
	BALLAST TYPE:			no, ie: (GLR)
1 & 2 Lamp Mag. T12		LE
		< 20THD		<10THD
1 & 2 Lamp Elec. T8		SO*		HI*
3-2	Lamp Elec. T8 (8')	SO*		HI*
1-3	Lamp Elec. T8	O3*		H3*
2-3	Lamp Elec. T8 (8')	O6*		H6*
LOL T8 Dimming		PS		–

*Instant Start Standard

Other dimming options. Consult factory.

OPTIONS & ACCESSORIES

SPECIAL LENSES: Substitute KA for VI (standard.)

FUSING: Internal fast-blow fusing.

SUFFIX: GLR.

Internal slow-blow fusing.

SUFFIX: GMF.

RADIO INTERFERENCE FILTER 120 or 277 volt, 50 or 60 Hz. One per fixture is standard. SUFFIX: RF.

STEM AND CANOPY SETS: Suspends fixture 6", 12", 18" or 24" from surface.

(Four per fixture is recommended.) Catalog Number: ASC6 CSP (6"), ASC12

CSP (12"), ASC18 CSP (18"), ASC24 CSP (24")

ELECTRICAL/WIRING OPTIONS Consult factory.

SPECIFICATIONS

PERFORMANCE: In an installation of 2 lamp 32W luminaires in a room cavity ratio of 1, reflectance 80% ceiling, 50% wall, 20% floor, the C.U. shall not be less than .63.

SPECIFICATIONS (continued)

MATERIALS: Chassis parts are die formed 20 gauge cold rolled steel, weld- ed for rigidity with all seams finished smooth.

FINISH: Chassis exterior—white baked polyester powdercoat finish

Cavity—white baked polyester powdercoat, minimum reflectance 84%. LENS: VI (standard). Pattern 12, .125" nominal thickness, extruded virgin acrylic lens (average weight per square foot is 6.8 ounces). KA (optional) Extruded acrylic, square based male conical prism, .156" overall thickness (similar to pattern 19). 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 C-UL.

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.

© 2002 Genlyte Thomas Group LLC (Lightolier Division) A0902