Name |
Unit |
Value |
Main circuit |
Rated working voltage (Ue) |
kV |
7.2 |
12 |
Rated working current (Ie) |
A |
400,630 |
Rated frequency (fr) |
Hz |
50~60 |
Rated making capacity |
A |
10Ie |
Rated breaking capacity |
A |
8Ie |
Rated short time withstand current |
A |
10Ie |
Rated peak withstand current |
A |
25Ie |
Rated short circuit duration |
s |
4 |
Power frequency withstand voltage |
Wiring terminal to earth |
kV |
32 |
42 |
Vacuum breaks |
kV |
32 |
42 |
Lightening impulse withstand voltage |
kV |
60 |
75 |
Control circuit |
Rated voltage (Us) |
V |
AC or DC. 110/220 |
Rated power (Ps)electric holding |
VA |
≤1000/100 (absorbing/holding) |
Auxiliary circuit |
Form |
|
3a+2b |
Rated value |
|
AC 380V/10A,
DC 380V/2A |
Control circuit, auxiliary circuit to earth power frequency withstand voltage |
kV |
2 |
Rated operating frequency |
Long-term |
time/h |
300 |
Short-term |
time/h |
600 |
Mechanical endurance |
10000 times |
30 |
Electrical endurance |
10000 times |
10 |
Mechanical characteristics |
Closing time |
ms |
≤200 |
Original opening time |
ms |
≤160 |
3-phase synchronism |
ms |
≤3 |
Closing tripping |
ms |
≤20 |
Remark: rated control voltage can be made according to customer’s requirements. |
