Name |
Unit |
Value |
Main circuit |
Rated working voltage (Ue) |
kV |
7.2 |
12 |
Rated working current (Ie) |
A |
400 |
400 |
Rated frequency (fr) |
Hz |
50~60 |
Rated making capacity |
A |
10Ie |
Rated breaking capacity |
A |
8Ie |
Rated short time withstand current |
kA |
6.3 |
Rated peak withstand current |
kA |
16 |
Rated short circuit duration |
s |
4 |
Power frequency withstand voltage |
Between phases, phase to earth |
kV |
32 |
42 |
Vacuum breaks |
kV |
32 |
42 |
Lightening impulse withstand voltage |
kV |
60 |
75 |
Control circuit |
Rated voltage1 (Us) |
V |
AC or DC. 110/220 |
Rated power (Ps) |
Electric holding |
VA |
≤1000/100 (absorbing/holding) |
Mechanical holding |
VA |
≤900/350 (closing/opening) |
Auxiliary circuit |
Form |
|
6a+6b |
Rated value |
|
AC200V/5A |
Control circuit, auxiliary circuit to earth power frequency withstand voltage |
kV |
2 |
Rated operating frequency |
Long-term or mechanical holding type |
time/h |
300 |
Short-term |
time/h |
600 |
Mechanical endurance |
10000 times |
30 |
Electrical endurance |
10000 times |
10(AC-3) |
Mechanical characteristics |
Closing time |
ms |
≤150 |
Original opening time |
ms |
≤150(electric holding)
≤60(mechanical holding) |
3-phase synchronism |
ms |
≤3 |
Closing tripping |
ms |
≤6 |
Remark: 1.rated control voltage can be made according to customer’s requirements. |
