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CJX5 Series AC Contactor(GMC AC CONTACTOR)
CJX5 Series AC Contactor(GMC AC CONTACTOR)

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Quality/Safety Certification: 0.00


This series compact size AC Contactors are suit in aggressive environment.

Application:

CJX5 series AC Contactor is suitable for using in the circuits up to the rated voltage 660V AC50Hz or 60Hz, rated current up to 85A, for making, breaking, frequently starting & controllingthe AC motor. Combined with the auxiliary contact block, timer delay & machine-interlockingdevice etc, it becomes the delay contactor, mechanical interlocking contactor, star-delta starter.With the thermal relay, it is combined into the electromagnetic starter. It conforms to IEC60947-1 standard.Fulfill following Standard:

IEC60947-4-1, EN60947-4-1

Contact material: Silver cadmium oxide

Contactors damages and repairs:

Contactor damages and effects of these damages:

 

There can be damages when the contactors are not used according to technical datas and then failures begin to occur at the feeding system. Reasons of probable cancellation of Contactors:

 

Generally, contactors are the devices, which do not damage easily. If the selection is made correctly and operating conditions are not out of order, contactor can make millions times opening and closing safely. The reasons of the cancellation and their solutions are given below.

 

Excessive length of cable of command circuit (coil) can cause some problems. Voltage is low during the long cables and this reason makes the closing difficultly and over big cross-sectioned cable capacitance obstruct opening. Generally advised cable cross-selection and length are mentioned in catalogues. If the command circuit is longer than the advised value, higher contactor and more lower coil voltage, resistance or inductive impedance connection should be used.

 

Dirt or foreign particles in the contactor, hard atmosphere conditions and corrosion can obstruct the closing operation of contactor. If we face a problem like this, contactor should be cleaned, appropriately. Then the circuit should be checked and modified for a more protective environment for the contactor. If there is a factor damaging the conduction, it should be removed.

 

Events that can cause the contactors, noisy operation is dust and having foreign particles in the air space etc, unsuitable voltage and frequency. Also defect of the nucleus surface because of long time operation. To obstruct all these, we should provide the clearness of the nucleus face and (if needed) coil changing should be made for voltage and frequency.

Changing the coil:

New coil is put on by pulling up screws, which are taking place on both sides of the contactor, separating the upper parts and taking the coil out off its socket. Much attention should be paid to placing on its spring that at the bottom side, during re-assembling.

2.Specification

Type

CJX5-9

CJX5-12

CJX5-18

CJX5-22

CJX5-32

AC1 duty

20A

20A

25A

32A

50A

AC3 duty

200~240V

2.5kW11A

3.5kW13A

4.5kW18A

5.5kW22A

7.5kW32A

380~440V

4kW9A

5.5kW12A

7.5kW18A

11kW22A

15kW32A

500~550V

4kW7A

7.5kW12A

7.5kW13A

15kW22A

18.5kW28A

690V

4kW5A

7.5kW9A

7.5kW9A

15kW18A

18.5kW21A

Continuous current(Ith)

20A

25A

30A

32A

45A

AC motor

Single phase

115V

0.5HP

0.5HP

1HP

2HP

2HP

230V

1HP

2HP

3HP

3HP

5HP

Three phase

200V

2HP

3HP

5HP

7HP

7.5HP

230V

3HP

3HP

5HP

7.5HP

10HP

460V

2HP

7.5HP

10HP

10HP

20HP

575V

5HP

10HP

15HP

15HP

20HP

 

Type

CJX5-40

CJX5-50

CJX5-65

CJX5-75

CJX5-85

AC1 duty

60A

80A

100A

110A

135A

AC3 duty

200~240V

11kW40A

15kW55A

18.5kW65A

22kW75A

25kW85A

380~440V

18.5kW40A

22kW50A

30kW65A

37kW75A

45kW85A

500~550V

22kW32A

30kW43A

37kW60A

45kW64A

45kW75A

690V

22kW25A

30kW33A

37kW47A

45kW47A

45kW52A

Continuous current(ITD)

50A

70A

80A

90A

100A

AC motor

Single phase

115V

3HP

3HP

5HP

5HP

7.5HP

230V

5HP

7.5HP

10HP

15HP

15HP

TDree phase

200V

10HP

10HP

15HP

20HP

25HP

230V

10HP

15HP

20HP

25HP

30HP

460V

25HP

30HP

40HP

50HP

50HP

575V

25HP

30HP

40HP

50HP

50HP

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