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Product Details:
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| Working Voltage: | 12KV | Working Current: | 630A 1250A 2000A |
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| Frequency: | 50/60Hz | Standards: | ISO9001:2015,CCC,ISO9001,CE, CB,IEC60898 |
| OEM/ODM: | Inquiry By Email | Manufactory: | KNKONG |
| High Light: | 2000A Gis VCB,ZW20-12 Switchgear Vacuum Circuit Breaker,Gis Switchgear Vacuum Circuit Breaker |
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Product Introduction
ZW20-12 outdoor AC high voltage demarcation vacuum circuit breaker is a user demarcation switch. It is mainly composed of three parts: ZW20-12 vacuum circuit breaker body, fault detection controller and external voltage transformer.
Normal service condition:
1. Altitude≤2000
2. Ambient temperature: -15℃~+50℃
3. Maximum water vapor pressure:24 hours ≤2.2kpa1 month ≤1.8kpa
4. Wind pressure:≤700pa(34m/s)
5. Earthquake intensity ≤8
6. Ice thickness ≤10mm
7. No fire, explosion danger, chemical corrosion, violent vibration
Technical Parameters
|
No. |
Item |
Unit |
Parameter |
|
1 |
Rated voltage |
KV |
12 |
|
2 |
Rated frequency |
Hz |
50 |
|
3 |
Rated current |
A |
630 1250 |
|
4 |
Power frequency withstand voltage(DryWet isolation fracture) |
KV |
423448 |
|
5 |
Lightning shock withstand voltage |
KV |
75 |
|
6 |
Rated short-circuit breaking current |
KA |
2025 |
|
7 |
Rated short circuit breaking current breaking times |
times |
30 |
|
8 |
Rated operating sequence |
O-0.3s-CO-180s-CO |
|
|
9 |
Rated short-circuit closing current |
KA |
50 63 |
|
10 |
Rated short-time withstand current |
20 25 |
|
|
11 |
Rated peak value of withstanding current |
50 63 |
|
|
12 |
Rated short circuit duration |
s |
4 |
|
13 |
Mechanical endurance |
times |
10000 |
|
14 |
Contact allowable wear thickness |
mm |
3 |
Contact Person: Ken Chan (English)
Tel: 0086 13938551009
