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FEIYUE UNITED ELECTRICAL GROUP CO.,LTD.

China Manufacturer with main products: circuit breakers, contactors, thermal overload relays, fuses, current transformers, pushbutton, indicator, power supply, meters, starter,...

Home  >Products Catalog > 3TF 3TB(CJX1) AC Contactor

3TF 3TB(CJX1) AC Contactor

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Place of Origin: Zhejiang in China

Specifications

3TF AC Contactor

 

APPLICATION

3TF series AC contactors are suitable in electrical system with AC 50/60HZ, rated operational voltage up to 660V, in AC-3 usage, rated operational voltage up to 380V, rated operational current up to 630A to make or break remote motors or system. They can form electromagnetic starters with suitable thermal overload relays 3UA series to protect system and motors against overload or phase-failure. They are made according to IEC947-2, BS5424 & VDE0660.
The contactor is a straight motion mechanism having double-breaking contacts. The auxiliary contacts are arranged 2NO, 2NC at most. It is employed the flexible locking connection between the contact support and core. There are no arc-isolated panel in the le≤22A contactors. In the In≥32A contactors, there are moulded arc-chute with arc-isolated panel. Because all contacts are made of high non-fusibility and against corrosion silver alloy. All series products can be mounted by screws, le≤32A contactor also by installation rail.
SPECIFICATION

Type

Rated thermal
current(A)

Rated operation current(A)

Controllable power of motor(KW)

Type of auxliliary
contact

AC-3

AC-4

380V

660V

380V

660V

380V

660V

3TF40

20

9

7

4

5.5

1.4

2.4

NO
NC
1NO+1NC
2NO+2NC

3TF41

20

12

7.5

5.5

7.5

1.9

3.3

3TF42

30

16

12.5

7.5

11

3.5

6

3TF43

30

22

16.5

10

15

4

6.6

3TF44

55

32

24

15

22

7.5

13

3TF45

55

38

24

18.5

22

9

15.5

3TF46

80

45

40

22

37

12

20.8

3TF47

80

63

60

30

55

14

24.3

 

2NC+2NO

4NC+4NO

3TF48

100

75

60

37

55

17

29.5

3TF49

100

85

80

45

75

21

36

3TF50

160

110

95

55

90

27

46.9

3TF51

160

140

120

75

110

35

60

3TF52

200

170

160

90

150

38

66

3TF53

210

205

165

110

160

50

86

3TF54

300

250

230

132

220

58

100

3TF55

300

300

260

160

250

66

114

3TF56

400

400

380

200

355

81

140

3TF68

630

630

600

335

560

160

278

Service Process

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