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Vacuum Interrupter HCJ3 7.2KV 400A for vacuum contactor from JUCRO Electric

Vacuum Interrupter HCJ3 7.2KV 400A (JUC510A)  for vacuum contactor from JUCRO Electric

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Product Detail

Vacuum InterrupterHCJ3 7.2KV 400A for vacuum contactor from JUCRO Electric


Brief introduction

The vacuum interrupter adoption porcelain and ceramics makes to insulate the outer shell. Contact is WCCu metal alloy material advanced technique of adoption Including bulk small. Breaking the abiliting strong the life span is long maintenance is simple .no explosion dangerous no contaminate and the noise is low . The pack vacuum contactor can operate the ebery kind of electric appliances equipments, and fuse match f-c cabinet

       

 Vacuum Tube main technique parameter

No.

Parameter name

Unit

Value

1

Rated voltage

kV

7.2

2

Rated current

A

400

3

Rated frequency

Hz

50

4

Rated making current

kA

4

5

Rated breaking current

kA

3.2

6

Limiting breaking current

kA

4

7

Rated short-time withstand current

kA

3.2

8

Rated short-time withstand voltage

kV

32

9

Rated lighting impulse voltage

kV

60

10

Circuit resistance at lowest rated contacts force

μΩ

≤80

11

Electrical life

Times

250000

12

Mechanical life

times

500000

13

Closing force due to bellows and atmosphere

N

70±20

14

Force required to hold contacts open at full stroke

N

100±30

15

Limiting abrasion of contacts

mm

3

16

Internal gas pressure

Pa

≤1.33×10 -3

17

Storage life

years

20

Vacuum Contactor technical specifications

No.

Parameter name

Unit

Value

1

Clearance between opening cantacts

mm

5±1

2

Contacts travel

mm

2±0.5

3

Average opening speed

m/s

0.6±0.2

4

Average closing speed

m/s

0.3±0.1

5

Rated contacts pressure

N

110±20

6

Contacts bouncing duration at closing operation

m/s

≤2

7

Closing synchronism

m/s

≤2

8

Contacts re-bouncing duration at opening operation

mm

≤1.5


 





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Product Detail

Vacuum InterrupterHCJ3 7.2KV 400A for vacuum contactor from JUCRO Electric


Brief introduction

The vacuum interrupter adoption porcelain and ceramics makes to insulate the outer shell. Contact is WCCu metal alloy material advanced technique of adoption Including bulk small. Breaking the abiliting strong the life span is long maintenance is simple .no explosion dangerous no contaminate and the noise is low . The pack vacuum contactor can operate the ebery kind of electric appliances equipments, and fuse match f-c cabinet

       

 Vacuum Tube main technique parameter

No.

Parameter name

Unit

Value

1

Rated voltage

kV

7.2

2

Rated current

A

400

3

Rated frequency

Hz

50

4

Rated making current

kA

4

5

Rated breaking current

kA

3.2

6

Limiting breaking current

kA

4

7

Rated short-time withstand current

kA

3.2

8

Rated short-time withstand voltage

kV

32

9

Rated lighting impulse voltage

kV

60

10

Circuit resistance at lowest rated contacts force

μΩ

≤80

11

Electrical life

Times

250000

12

Mechanical life

times

500000

13

Closing force due to bellows and atmosphere

N

70±20

14

Force required to hold contacts open at full stroke

N

100±30

15

Limiting abrasion of contacts

mm

3

16

Internal gas pressure

Pa

≤1.33×10 -3

17

Storage life

years

20

Vacuum Contactor technical specifications

No.

Parameter name

Unit

Value

1

Clearance between opening cantacts

mm

5±1

2

Contacts travel

mm

2±0.5

3

Average opening speed

m/s

0.6±0.2

4

Average closing speed

m/s

0.3±0.1

5

Rated contacts pressure

N

110±20

6

Contacts bouncing duration at closing operation

m/s

≤2

7

Closing synchronism

m/s

≤2

8

Contacts re-bouncing duration at opening operation

mm

≤1.5


 







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