Item |
Unit |
Data |
|
|
LHVC7 |
LHVC12 |
LHVC/P |
Main circuit |
Rated operational voltage（Ue） |
kV |
7.2 |
12 |
7.2 |
12 |
Rated operational current（Ie） |
A |
400 |
400 |
≤315
(due to fuse) |
≤200
(due to fuse) |
Rated frequency（fr） |
Hz |
50/60 |
Rated making capacity |
kA |
4.0 |
Rated breaking capacity |
kA |
3.2 |
Rated short time withstand current |
kA |
6.0 |
Rated peak withstand current |
kA |
15 |
Rated short circuit duration |
s |
1 |
Rated expected short circuit breaking current |
kA |
/ |
≤50 (due to fuse) |
Rated expected short circuit closing current |
kA |
100 |
Take-over current |
kA |
4.0 |
Power frequency withstand voltage |
Between phases, phase to earth |
kV |
32 |
42 |
32 |
42 |
Vacuum breaks |
kV |
32 |
42 |
32 |
42 |
Lightening impulse withstand voltage |
kV |
60 |
75 |
60 |
75 |
Resistance |
μΩ |
≤150 |
≤150 |
≤300 (due to fuse) |
Control circuit |
Rated voltage (Us) |
V |
AC or DC.110/220 |
Rated power (Ps) |
Electric holding |
VA |
≤1000/100 (absorbing/holding) |
Mechanical holding |
VA |
≤1200/800 (closing/opening) |
≤1200/350 (closing/opening) |
Control mode |
|
E type: electric holding; M type; mechanical holding |
Auxiliary circuit |
Form |
|
5a+5b |
6a+6b |
Rated value |
|
AC 220V/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 |
100 |
100 |
30 |
Electrical endurance |
10000 times |
10（AC-3） |
Closing time |
ms |
45-65 |
≤150 |
Mechanical characteristics |
Original opening time |
ms |
25-40 (electric holding)
15-30(mechanical holding) |
≤150 (electric holding)
≤60(mechanical holding) |
3-phase synchronism |
ms |
≤3 |
Net weight |
kg |
26 (electric holding)
28(mechanical holding) |
81（without fuse） |
