| Model Number: | HCJ3-7.2/630 |
|---|---|
| Brand Name: | Jucro |
| Place of Origin: | China (Mainland) |
| Rated voltage: | 7.2KV |
Quick Details
Specifications
HCJ3 7.2 kv 630A 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 |