Model Meaning
Functions and Features
◆Using prefabricated live touchable silicone rubber cable head, fully sealed, fully insulated, maintenance-free, and reliable to ensure personal safety;
◆Compact structure, small and beautiful appearance, stainless steel double-layer box, the service life can reach more than 20 years;
◆Under the premise of not affecting the operation of the main network, realize regional power outage maintenance and reduce the scope of power outages;
◆It can be equipped with one or more SF6 load switches. The wiring methods are flexible and diverse, and the branch outgoing line can reach up to 8 circuits;
◆Optional arrester, short-circuit fault indicator, current-limiting fuse, etc., to meet various requirements of users.
The main technical parameters
|
Serial number |
Name |
Significance |
|
1 |
Rated voltage |
12kV |
|
2 |
Rated current |
630A |
|
3 |
Power frequency withstand voltage (phase to ground) |
42kV/min |
|
4 |
Lightning impulse voltage |
75kV |
|
5 |
Rated breaking current |
630A |
|
6 |
Rated short-circuit breaking current (peak value) |
50kA |
|
7 |
Rated short-time withstand current |
25kA/4S |
|
8 |
Rated peak withstand current |
50kA |
|
o9 |
Rated breaking capacitor current |
45A |
|
10 |
Rated breaking inductor current |
16A |
|
11 |
Full load breaking times |
>100 |
|
12 |
Number of opening and closing mechanical operations |
2000 |
