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contactor 3TB

Application

3TB

Application
The contactor is suitable for using in the circuit up to the rated voltage 660V AC 50Hz or 60Hz, rated current 630A, for making and breaking, and for frequent starting and controlling the motor.After combined with the mechanical interlocking device, it becomes 3TD Series convertible contactor for Controlling, starting, breaking and Reversing of the motor.
The products comply with IEC947 & VDE0660.

Technical Data

Type

3TB-40

3TB-41

3TB-42

3TB-43

3TB-44

Rated insulation voltage

660

660

660

660

660

Rated operational current(380V)

AC-3

9

12

16

22

32

AC-4

3.3

4.3

7.7

8.5

15.6

Rated outputs of three-phase
motors at 50Hz

AC-3

230/220V

2.4

3.3

4

6.1

8.5

400/380V

4

5. 5

7.5

11

15

500V

5.5

7 .5

10

11

21

690/660V

5.5

7.5

11

11

23

1000V

-

-

-

-

-

AC-4

400/380V

1.4

1.9

3.5

4

7.5

690/660V

2.4

3.3

6

6.6

13

(×106)Mechanical endurance

10

10

10

10

10

Switchina frequency

AC-3

1.0

1.0

1.0

1.0

1.0

AC-4

0.2

0.2

0.2

0.2

0.2

(×106)Mechanical endurance

AC-3

1000

1000

750

750

750

AC-4

250

250

250

250

250

Coil voltage lolerance

(0.8~1.1)Us

Power consumption of coil
(50Hz)

Closed

10

10

10

10

10

Cos

0.29

0.29

0.29

0.29

0.29

Closing

68

68

68

68

68

Cos

0.82

0.82

0.82

0.82

0.82

Convention althermal current

20

20

30

30

45

Conventional thermal current
of auxiliary contacts

10

10

10

10

10

Rated operational current
of auxiliary contacts

AC-15
380/220V

6/10

6/10

6/10

6/10

4/6

Weight

0.43

0.43

0.49

0.49

0.7

The number of AC coil voltage

Coil for 50Hz AC

Coil for 50Hz/60Hz AC

24

BO

24

C1

42

DO

42

D1

110

FO

110

G1

220

MO

220

P1

240

UO

240

R1

380

QO

-

-

Specifications
TEL : 0577-62786986
ADD : No119 Xinguang Road Industry Liushi Town Yueqing City
Zhejiang Province China
WEB : www.chinahorel.com
E-mail : alan@chinahorel.com

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