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DC Electrical Contactor

DC Electrical Contactor
DC Electrical Contactor
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Product Code : 3TB-OB44
Product Description

SPECIFICATIONS 

Type

Rated insulation voltage

(×106)
Mechanical endurance

(×106)
electric endurance

Rated operational current(380V)

Rated outputs of three-phase motors at 50Hz

AC-3

AC-4

AC-3

AC-4

AC-3

AC-4

230/220V

400/380V

500V

690/660V

400/380V

690/660V

3TB-9/Z

660

10

1.0

0.2

9

3.3

2.4

4

5.5

5.5

1.4

2.4

3TB-12/Z

660

10

1.0

0.2

12

4.3

3.3

5.5

7.5

7.5

1.9

3.3

3TB-16/Z

660

10

1.0

0.2

16

7.7

4

7.5

10

10

3.5

6

3TB-22/Z

660

10

1.0

0.2

22

8.5

6.1

11

11

11

4

6.6

3TB-32/Z

660

10

1.0

0.2

32

15.6

8.5

15

21

23

7.5

13

 

Coil voltage lolerance

Coil voltage lolerance

(1/h)Switching frequency

Convention althermal current

ãâ€˜Rated operational 
current of auxiliary contacts


Conventional thermal current of auxiliary contacts


Conventional
insulation voltage of auxilary contacts

Weight

AC(50Hz)

DC

ï¼Ë†VAï¼â€°closed

p.f.

(VA)
/Closing

P.f.

(W)Closed
&closing

AC-3

AC-4

AC-15

DC-13

380/220V

110/220V

10

0.29

68

0.82

6.2

0.8ï½Å¾1.1Us

1000

250

20

6/10

10

660

0.43

10

0.29

68

0.82

6.2

0.8ï½Å¾1.1Us

1000

250

20

6/10

10

660

0.43

10

0.29

68

0.82

6.2

0.8ï½Å¾1.1Us

750

250

30

6/10

10

660

0.49

10

0.29

68

0.82

6.2

0.8ï½Å¾1.1Us

750

250

30

6/10

10

660

0.49

10

0.29

68

0.82

6.2

0.8ï½Å¾1.1Us

750

250

55

4/6

10

660

0.7

 

Type

MAX

MAX

MAX

a

b

3TB-9Z-12Z/10 01 11 22

46

79

123

35±0.50

60±0.60

3TB-9Z-12Z/10 01 11 22

46

79

142

35±0.50

60±0.60

3TB-16Z-12Z/22

46

89

148

35±0.50

75±0.60

3TB-32Z-12Z/22

74

90

148

50±0.50

75±0.60

 



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