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SLB Surface Box 2' x 2' Fluorescent

SLB2SFSVA26U

Page 2 of 2

Flat Steel or Regressed Aluminum Frame, 2-6"U Lamp T8 or T12, 4-2' Linear T8 or T12 Lamp

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 2002 Lightolier

Section 3A/Folio H70-11

Job Information

Type:

Photometry

Model No. SLB2SFSVA26U120SO

coefficients of utilization — zonal cavity method 

RF

20

20

20

RC

80

50

30

RW

70

50

30

50

30

10

50

30

10

1

70

68

45

64

62

60

61

60

59

2

65

61

57

57

54

52

55

53

51

3

60

54

50

52

48

45

50

47

44

4

55

49

44

46

42

39

45

42

39

5

51

44

38

42

37

34

40

37

34

6

47

39

34

38

33

30

37

33

30

7

44

36

30

34

30

27

33

29

26

8

40

32

27

31

26

23

30

26

23

9

37

29

24

28

23

20

27

23

20

10

34

26

21

25

21

18

25

21

18

room cavity ratio

Ordering Information

Explanation of Catalog Number. Example: SLB2SFSVA26U120SO

Options & Accessories

Fusing:

Internal fast-blow fusing. Suffix: 

GLR

.

Internal slow-blow fusing. Suffix: 

GMF

.

Electrical/Wiring Options: 

Consult factory.

Radio Interference Filter: 

120 or 277 volt, 50 or 60 Hz. One per fixture.

Suffix: 

R

. One per ballast. Suffix: 

B

.

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").

Specifications

Performance: 

In an installation of 2 lamp 32W luminaires in a room cavity

ratio of 1, with a reflectance of 80% ceiling, 50% wall, 20% floor, the C.U. shall
not be less than .68. To prevent glare the average brightness at 65° shall not
exceed 2022 candelas per square meter. To control veiling reflections, luminaire
output in the 30–90° zone shall be not less than 67.5%.

Materials: Chassis parts 

are die-formed 20 gauge cold rolled steel.

Finish: 

White baked polyester powder coat.

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.

SL

SLB Surface:

Lens Frame

Surface

Fluorescent

B

Body Style:

Surface Box

2

Fixture

Width

S

Ceiling Type:

= Surface

Lens

Frame:

FS 

= Flush full-

size steel 
frame

RA 

= Regressed 

flush full-
size 
aluminum 
frame

Lamp

Quantity:

= 2 Lamp

= 4 Lamp

Lamp/Fixture Length:

6U 

= T8, 6"U Lamp

17 

= T8, 2' Lamp

20 

= T12, 2' Lamp

(Nominal 24")

Voltage:

120 or 277

Ballast Type:

1- 2 Lamp Mag. T12

LE

Standard Electro Magnetic

P

T12 (20 watt only)

<

20THD

<

10THD

1-2 Lamp Elec. T8

SO*

H

I

*

1-4 Lamp Elec. T8

O4*

H4*

LOL Dimming T8

PS

*

*Instant Start Standard
Other dimming options. Consult factory.

Options:

Add appropriate
suffix to catalog

no, ie: (GLR)

VA

Lens

Shielding Type:

VA 

= Pattern 12 

lens, .095" 
nominal pris-
matic lens 
(standard). 
see options 
and consult 
factory.

SLB2SFSVA26U120SO

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