Products


 

Multi-Voltage Electronic Ballast
WK-T8-432/IS/120-277HSC
APPLICATION AND PERFORMANCE SPECIFICATION

Description：The electronic ballast WK-T8-432/IS/120-277HSC is a green light product, it is suitable for fluorescent lamps:
　　　　　  F17T8,FB24T8,F25T8,F25T12,F31T8,F32T8 and F40T8.
Line Voltage:  120-277vac ±10%, 60Hz                                         UL No.: E247096
Instant Start                                         　　　　　　　　　　　Parallel Lamp Operation
4 or 3 lamp operation @120V

Lamps

Input
Watts

Line
Current(amps)

Power
Factor

Ballast
Factor

Ballast
Efficacy Factor

Harmonic
Total

Crest
Factor

Type

#

F32T8

4

112

0.95

>99%

87%

0.78

<10%

<1.7

F31T8

4

111

0.94

>99%

87%

0.78

<10%

<1.7

F25T8

4

87

0.73

>99%

91%

1.05

<10%

<1.7

F25T12

4

92

0.78

>99%

89%

0.97

<10%

<1.7

FB24T8

4

85

0.72

>99%

91%

1.07

<10%

<1.7

F17T8

4

62

0.52

>98%

92%

1.48

<12%

<1.7

F40T8

3

112

0.93

>99%

94%

0.84

<10%

<1.7

F32T8

3

92

0.77

>99%

96%

1.04

<10%

<1.7

F31T8

3

89

0.76

>99%

96%

1.08

<9%

<1.7

F25T8

3

74

0.61

>99%

97%

1.31

<11%

<1.7

F25T12

3

77

0.64

>99%

94%

1.22

<10%

<1.7

FB24T8

3

71

0.60

>99%

97%

1.37

<11%

<1.7

F17T8

3

56

0.44

>98%

99%

1.77

<14%

<1.7

 

4 or 3 lamp operation @277V



4 or 3 lamp operation @277V
 

Lamps

Input
Watts

Line
Current(amps)

Power
Factor

Ballast
Factor

Ballast
Efficacy Factor

Harmonic
Total

Crest
Factor

Type

#

F32T8

4

112

0.41

>99%

87%

0.78

<10%

<1.7

F31T8

4

111

0.39

>99%

87%

0.78

<10%

<1.7

F25T8

4

87

0.32

>99%

91%

1.05

<10%

<1.7

F25T12

4

92

0.33

>99%

89%

0.97

<10%

<1.7

FB24T8

4

85

0.31

>99%

91%

1.07

<10%

<1.7

F17T8

4

62

0.23

>98%

92%

1.48

<12%

<1.7

F40T8

3

112

0.40

>99%

94%

0.84

<10%

<1.7

F32T8

3

92

0.33

>99%

96%

1.04

<10%

<1.7

F31T8

3

89

0.32

>99%

96%

1.08

<9%

<1.7

F25T8

3

74

0.27

>99%

97%

1.31

<11%

<1.7

F25T12

3

77

0.28

>99%

94%

1.22

<10%

<1.7

FB24T8

3

71

0.26

>99%

97%

1.37

<11%

<1.7

F17T8

3

56

0.20

>98%

99%

1.77

<14%

<1.7


Performance:
Inherent thermal protection　　　　　　　Low harmonic distortion
Minimum starting temp. : 0ºF(-18ºC)　　 Ballast case must be grounded
High power factor　　　　　　　　　　  Install lamps with 3/4″of grounded metal plane.
Sound rate A　　　　　　　　　　　　  Class P , Type 1 outdoor
No PCBs　　　　　　　　　　　　　   Open circuit voltage: 600V

WARNING:
Disconnect power when installing or servicing.
 

Copyright(C)：Zhenjiang Welkin Electronics Co., Ltd.