FZW32-12(40.5)Outdoor high voltage vacuum load switch
Model and meaning
Environmental conditions for use
◆Ambient air temperature: +40℃~30℃; (lower limit -45℃ is available upon special requirements of users)
◆Altitude not exceeding 1000m, 2000m, 3000m;
◆The wind pressure does not exceed 700Pa (equivalent to a wind speed of 34m/s);
◆The pollution level does not exceed level IV;
◆No frequent severe vibration, earthquake intensity does not exceed 8 degrees.
Technical Parameters
|
Name |
Unit |
Numeric |
|
Rated voltage |
kV |
12 |
|
Rated frequency |
Hz |
50 |
|
Rated current |
A |
630 |
|
1min power frequency withstand voltage: vacuum break, phase-to-phase, phase-to-ground/isolation break |
kV |
42/48 |
|
Lightning impulse withstand voltage: phase-to-phase, phase-to-ground/isolation break |
kV |
75/85 |
|
Rated short-time withstand current (thermal stability) |
kV |
20 |
|
Rated short-time duration |
S |
4 |
|
Rated peak withstand current (dynamic stability) |
kA |
50 |
|
Rated short-circuit making current |
KA |
50 |
|
Mechanical life |
Second-rate |
1000 |
|
Allowable wear thickness of vacuum interrupter contact |
mm |
0.5 |
|
Manual operating torque |
Nm |
≤200 |
|
weight |
kg |
100 |