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               241 Series
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                      2'X2' & 2'x4' Recessed Lay In Troffer

 Application:  This Unit is designed especially for use for quick installation with inverted T Bar ceilings. This Troffer unit is for use in all office, commercial, and institutional areas and is available in a variety of options to suit your needs.

Construction:  Housing is die formed from heavy gauge steel and is finished in a baked white enamel or polyester powder coating for maximum reflectivity and durability. Hinged door with mitered corners comes with slide latches which allow for easy relamping and maintenance. Lens is clear prismatic non yellowing acrylic for even light distribution. Lens options available upon request.

Electrical:  All units are furnished with UL Listed Class P thermally protected ballast. Other voltages are available upon request. Fixtures meet requirements for UL Luminaire Standard # 1598.  All units comply with National Energy Standards.

Mounting:  All units are equipped with 7/8” knockouts in top, sides and end plates. Designed for use in inverted T Bar ceilings this fixture comes with earthquake clips built into end plate.

Coefficients  Utilization
Zonal Cavity Method

RF

20

RC

80%

70%

50%

RW

70

50

30

10

 

70

50

30

10

 

50

30

10

 

0

1

2

3

4

5

6

7

8

9

10

80

75

69

64

59

54

50

46

42

39

36

80

72

64

57

51

46

41

37

34

30

27

80

69

60

52

46

40

36

32

28

25

22

80

67

57

49

42

36

32

28

24

21

19

79

73

67

62

57

53

49

45

41

38

35

79

70

63

56

51

45

41

37

33

30

27

79

68

59

52

46

40

35

31

28

24

22

79

66

56

48

42

36

32

28

24

21

19

75

67

60

54

49

44

40

36

32

29

26

75

66

57

51

45

39

35

31

27

24

22

75

64

55

47

41

36

31

27

24

21

18

Photometric Curve

 

Fixture Length

    T12            T8             T5       Length

F20T12

F17T8

F14T5

24”

F40T12

F32T8

F28T5

48”

U Lamps    Biax

F031U

---

---

24”

F32U6

F40BX

---

24”

F40T12U6

---

---

24”

Bulb Spacing

2 Lamp

3 Lamp

4 Lamp

A

10 ½”

6”

5”

B

 

 

5 ½”

 

  
       

 Maximum  Weight = 40 lbs. / 48”                                                                Specifications Subject To Change Without Notice

Ordering Information

Model

# Lamps

Lamp Type

Ballast

Voltage

Lens/Louver

Cord

241

4

32

E

 

 

 

241

2 = Two

3 = Three

4 = Four

T8 Lamps

17 = F17T8

32 = F32T8

T12 Lamps

20 = F20T12

40 = F40T12

 M = Magnetic

 E = Electronic .88 BF

 E-LW =Electronic .77BF

 E-O = Electronic 1.18BF

Blank = 120V

277 = 277 V

MV= Multi Volt

.125 = .125 “ Prismatic Lens

.156 = .156” Prismatic Lens

DD = Acrylic Deep Dish Lens

EGG = ½” White Egg Crate Louver

SIL =   ¾” Silver Parabolic Louver

SIL2 = 1½”  Silver Parabolic Louver

EMB = Emergency Ballast

REF = Specular Reflector

NYC = NYC Approved

RAD = Regresses Alum Door

 

 

 

T5 Lamps

14T5 = F14T5

28T5 = F28T5

U Lamps

31/U = F031/U (1 5/8”)

32U6  =F32/U6 ( 6”)

40U6 = F40T12U6

Biax  Lamps

40BX = F40BX

 

  

 

 

 
K-B Lighting Manufacturing Co., Inc.

2101 Byberry Road / Philadelphia, PA 19116

Phone (215) 673-6400  Fax (215) 673- 6431

Email  sales@kblighting.com