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HCJ3 7.2kv 630A Ѵҧ٭ҡ VI vacuum interrupter for vacuum contactors


Թ :    HCJ3 7.2kv 630A Ѵҧ٭ҡ VI vacuum interrupter for vacuum contactors
觫 (Order Code) :    TTN00-09435
(Model) :    7.2kv 630A Ѵҧ٭ҡ VI
(Brand) :    Jucro

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HCJ3 7.2 kv 630A Ѵҧ٭ҡ vacuum interrupter for vacuum contactors

1. Brief introduction

The 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

 

 2. Vacuum Tube main technique parameter

No.

Parameter name

Unit

Value

1

Rated voltage

kV

7.2

2

Rated current

A

630

3

Rated frequency

Hz

50

4

Rated making current

kA

6.3

5

Rated breaking current

kA

5.04

6

Limiting breaking current

kA

6.3

7

Rated short-time withstand current

kA

6.3

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

 



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