ZW32-40.5 Outdoor Hv Vacuum Circuit Breaker
Description
◆ Use Conditions
1.Ambient temperature: -30℃~+60℃;
2.Altitude: ≤3000m;
3.Wind speed: ≤34m/s;
4.Pollution grade: ≤IV.
5.Storage temperature: -40℃~+85℃.
◆ Main Technical Parameters
NO. |
Items |
Unit |
Value |
1 |
rated voltage |
kV |
40.5 |
2 |
1min power frequency withstand voltage |
kV |
95 |
3 |
lightning impulse withstand voltage |
kV |
185 |
4 |
rated frequency |
Hz |
50 |
5 |
rated current |
A |
630,1250, 1600 |
6 |
rated short circuit breaking current |
kA |
20, 25, 31.5 |
7 |
rated short circuit making current (peak) |
kA |
50, 63, 80 |
8 |
rated peak withstand current |
kA |
50, 63, 80 |
9 |
4s withstand current |
kA |
20, 25, 31.5 |
10 |
rated operating sequence |
S |
O-0.1s-CO-3s-CO-6S-60s recovery |
11 |
rated short circuit current breaking number |
times |
30 |
12 |
mechanical life |
times |
10000 |
13 |
mechanism control voltage |
V |
AC/DC220 |
14 |
secondary circuit 1min power frequency withstand voltage |
kV |
2 |
15 |
clearance distance between open contacts |
mm |
16±1 |
16 |
over travel |
mm |
4±0.5 |
17 |
opening speed |
m/s |
1.4-1.8 |
18 |
closing speed |
m/s |
0.4-0.8 |
19 |
contact closing bounce time |
ms |
≤5 |
20 |
three phase opening/closing asynchronism |
ms |
≤2 |
21 |
closing time |
ms |
≤100 |
22 |
opening time |
ms |
≤50 |
23 |
weight |
kg |
270 |
◆ Overall Drawing