1. Storage, making and breaking by motor, It can operating by handle.
2. Breaking short-circuit current up to 25kA.
3. Mini motor spring mechanism (about 30W).
4. Installation method: adopt two type installation method.
5. Sealing performance: adopt reliable sealing technical.
6. Incoming & Outgoing method: adopt silicon bushing to make enough insulate distance.
7. Safe operating: there is an equipment to protect explosion.
Description:
Type ZW7-36 outdoor high-voltage vacuum circuit breaker is a kind of outdoor high-voltage switchgear under three-phase AC 50Hz, 36kv rated voltage and below. It can be used to switch on and off the loading, overloading and short-circuit current.
Features:
1. Storage, making and breaking by motor, It can operating by handle.
2. Breaking short-circuit current up to 25kA.
3. Mini motor spring mechanism (about 30W).
4. Installation method: adopt two type installation method.
5. Sealing performance: adopt reliable sealing technical.
6. Incoming & Outgoing method: adopt silicon bushing to make enough insulate distance.
7. Safe operating: there is an equipment to protect explosion.
Techincal data:
|
No. |
Item |
Unit |
Data |
||
|
1 |
Rated voltage |
KV |
36 |
||
|
2 |
Rated current |
A |
1250,1600,2000 |
||
|
3 |
Rated short-circuit breaking current |
KA |
20,25,31.5 |
||
|
4 |
Rated insulation level |
Power frequency withstand voltage |
Dry |
KV |
95 |
|
Wet |
KV |
80 |
|||
|
Lightning impulse withstand voltage (peak value) |
KV |
185 |
|||
|
5 |
Rated operating sequence |
|
O-0.3s-CO-180s-CO |
||
|
6 |
Rated capacitor group breaking current |
A |
400 |
||
|
7 |
Rated short-circuit breaking current |
Time |
20 |
||
|
8 |
Rated peak withstand current |
KA |
50,63,80 |
||
|
9 |
Rated short - time withstand current |
KA |
20,25,31.5 |
||
|
10 |
Rated Short-circuit Continuing Time |
S |
4 |
||
|
11 |
Machinery life |
Time |
10000 |
||
|
12 |
Permissible gross wearing thickness for dynamic/static contacts |
mm |
3 |
||
