Name |
Unit |
Value |
Main circuit |
Rated working voltage (Ue) |
V |
1140 |
Rated working current (Ie) |
A |
250 |
Rated frequency (fr) |
Hz |
50~60 |
Rated making capacity |
A |
12Ie (AC-4) |
Rated breaking capacity |
A |
10Ie (AC-4) |
Withstand overload current capacity/s |
A/s |
8Ie/10 |
Power frequency withstand voltage |
Between phases, phase to earth |
kV |
4.2 |
Vacuum breaks |
kV |
10 |
Lightening impulse withstand voltage |
kV |
8 |
Control circuit |
Rated voltage (Us) |
V |
220 |
Rated power (Ps)electric holding |
VA |
≤600/50 (absorbing/holding) |
Auxiliary circuit |
Form |
|
4a+3b |
Rated value |
|
AC 380V/5A |
Control circuit, auxiliary circuit to earth power frequency withstand voltage |
kV |
2 |
Rated operating frequency |
Long-term |
time/h |
600(AC-3), 300(AC-4) |
Short-term |
time/h |
3600 |
Mechanical endurance |
10000 times |
30 |
Electrical endurance |
10000 times |
6 |
Mechanical characteristics |
Closing time |
ms |
≤200 |
Original opening time |
ms |
≤160 |
3-phase synchronism |
ms |
≤3 |
Closing tripping |
ms |
≤10 |
Net weight |
kg |
7.8 |
Remark: rated control voltage can be made according to customer’s requirements. |
