Xt, xr, Options & accessories, Specifications – Lightolier 440 User Manual

Page 2: Photometry, Ordering information, Job information type, Lightolier

Advertising
background image

XT, XR

XT2/XR2 SERIES 240/340/440

Page 2 of 2

2'x4' LAY-IN RECESSED FLUORESCENT STATIC, FLAT STEEL LENS FRAME (XT)

REGRESSED ALUMINUM LENS FRAME (XR), 2, 3, 4 LAMPS, T8 OR T12

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

SECTION 1A/Folio F50-11 REV. B

Job Information

Type:

OPTIONS & ACCESSORIES

SPECIAL LENSES: Substitute VB for .125" nominal pattern 12 with 7.8 oz.
average weight per square foot. Substitute VI for .125" nominal pattern 12 with
6.9 oz. average weight per square foot.
ACCESS PLATES: Top wiring access plate is shipped with fixture as standard.
When access plates are required in advance for wiring convenience, specify
separately. Order Catalog Number: ACP CSP.
ELECTRICAL/WIRING OPTIONS: Consult factory.
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.

SPECIFICATIONS

PERFORMANCE: In an installation of 4 lamp 40 W luminaires in a room cavity
ratio of 1, with reflectance of 80% ceiling, 50% walls, 20% floor, the C.U. shall
not be less than .78. To reduce glare the VCP shall be not less than 42 either
lengthwise or crosswise (at 100 fc level) and the average brightness at 65 shall
not exceed 718 footlamberts. To control veiling reflections, luminaire output in
the 30°-90° zone shall be not less than 66%.
MATERIALS: Chassis parts are die-formed code gauge cold rolled steel.
Housing is embossed for added strength and rigidity with all edges rolled over

for safe handling. Lens frames—(XT) flat full-size steel frame, (XR) regressed
full-size aluminum frame.
FINISH: Chassis exterior—white baked polyester enamel. Cavity—white
baked polyester enamel minimum 86% reflectance. Phosphate undercoating.
LENS: Extruded virgin acrylic 3/16" square based female cones, running 45° to
the panel edge, .095" nominal thickness (similar to pattern 12).
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. Listed by Underwriters Laboratories.

PHOTOMETRY

MODEL NO. XT2GVA340120SO

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

89

86

83

81

78

76

78

76

74

2

82

76

72

72

68

65

70

67

64

3

76

68

63

65

60

56

63

59

55

4

70

61

55

58

53

49

56

52

48

5

64

55

48

52

47

42

51

46

42

6

59

49

43

47

41

37

46

41

37

7

55

44

38

43

37

33

41

36

32

8

51

40

33

38

33

28

37

32

28

9

47

36

29

34

29

25

34

28

24

10

43

33

26

31

26

22

31

25

22

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

68

75

82

61

65

72

79

20

30

57

61

66

73

54

58

63

69

20

40

54

57

62

66

49

53

58

62

20

60

51

54

57

61

46

49

52

57

30

20

65

69

74

80

63

67

72

78

30

30

58

61

65

70

55

59

62

68

30

40

54

57

60

64

50

53

57

60

30

60

50

53

55

59

46

49

51

55

30

80

49

51

52

55

44

46

48

51

40

20

66

70

75

79

65

69

73

78

40

30

59

63

66

70

57

60

64

68

40

40

55

57

60

63

51

54

57

61

40

60

51

53

55

58

47

49

51

54

40

80

49

51

51

54

44

47

48

51

40

100

49

50

50

52

43

45

45

48

60

30

60

63

66

70

58

62

65

69

60

40

55

58

60

63

53

56

58

61

60

60

51

53

55

58

48

50

51

55

60

80

49

51

51

54

45

47

47

50

60

100

49

50

49

51

44

45

45

48

100

40

58

60

62

65

56

59

61

64

100

60

54

55

56

59

51

53

54

57

100

80

51

52

52

55

48

49

49

52

100

100

50

51

50

52

46

47

46

48

room cavity ratio

luminaries lengthwise

luminaries crosswise

ORDERING INFORMATION

Explanation of Catalog Number. Example: XT2GVA340120SOGLR

XT = Recessed

Fluorescent
with Flat Steel
Lens Frame

XR= Recessed

Fluorescent
with Regressed
Aluminum
Lens Frame

G

CEILING TYPE:

G = Grid (lay-in

T-bar)

LAMP QUANTITY:

2, 3 or 4 Lamps

VOLTAGE:
120 or 277

OPTIONS:

Add appropriate

suffix to catalog no,

ie: (GLR)

2

FIXTURE

WIDTH

VA

LENS/SHIELDING

TYPE:

VA = Virgin Acrylic

(standard) see
options and
consult factory

40

LAMP/

FIXTURE LENGTH:

(Nominal 48")

BALLAST TYPE:

LE=Magnetic (T12)
OC=Magnetic (T8)
SS=Electronic (T12)
S3=1-3 Lamp Elect. (T12)
SO=Electronic Elect. (T8)
O3=1-3 Lamp Elect. (T8)
O4=1-4 Lamp Elect. (T8)
DIM=Dimming (T12)
PS=LOL Power Spec T8

Dimming Ballast

Advertising