Home > Products > Other Electrical Equipments > China Wholesales ZW8-12 Outdoor Vacuum Circuit Breaker
China Wholesales ZW8-12 Outdoor Vacuum Circuit Breaker
- 600 Set / Sets per Month
- TianJin/ShangHai or any port in China as per customers' requests
- T/T Credit Card PayPal
Product Details
Place of Origin: | Hebei, China | Brand Name: | HZ | Model Number: | ZW8-12 |
Type: | High Voltage | Poles Number: | 3 |
Product Description
China Wholesales ZW8-12 Outdoor Vacuum Circuit Breaker
Model: ZW32-12
China Wholesales ZW8-12 Outdoor Vacuum Circuit Breaker Overview: ZW8-12 Outdoor high-voltage vacuum circuit breaker is outdoor distribution equipment with 12kV rated voltage and 50HZ three phase alternating current It is applied to lead current, over current and short circuit current during the breaking-closing electric system It is suit for protecting and controlling in the transformer substation, industrial and mining establishments' distribution system or other rural power grids.
Operation and Installation Conditions: Elevation: ≤1000m (For special order, please keep informed in advance) Ambient temperature: -30°C ~ +40°C Wind Pressure: ≤700Pa (equivalent with wind speed 35m/s) Seismic intensity: ≤8° Pollution level: Class Ⅲ Installation site: The installation site should be kept from fire and explosive hazard, or chemical corrosion or regular strenuous vibration.
Outdoor HV Vacuum Circuit Breaker Main Features: 1. The breaker has strong breaking capacity, with short arcing time and long electrical encurance. It could break the short-circuit current for 30 times without maintenance. The mechanical features are good with reliable insulation and simple structure. 2. Circuit breaker consists of conductive circuit, insulation system, seals, and enclosure. General structure is three phases in one enclosure. 3. Creepage distance of silastic bushing is 26.9mm/KV. 4. Vacuum arc-control chamber is the arc-control component of the breaker, which enclosed with external insulation porcelain housing, and middle sealing-in.
high voltage Vacuum Circuit Breaker Parameters:
SI. NO. | Item | Unit | Data | Remark |
1 | Rated voltage | kV | 12 |
|
2 | Rated frequency | Hz | 50 | |
3 | Rated current | A | 630 | |
4 | Rated short-circuit breaking current | kA | 20 | |
5 | Rated peak withstand current (peak) | kA | 50 | |
6 | Rated short-time withstand current/duration | kA/s | 20/4 | |
7 | Rated short-circuit closing current (peak) | kA | 50 | |
8 | Rated operation sequence | Break-0.3S-close, break-180S- close, break | ||
9 | Mechanical life | Times | 10000 |
|
2000 | Disconnector | |||
10 | Rated current breaking times | Times | 10000 |
|
11 | Rated short-circuit current breaking times | Times | 30 | |
12 | Main circuit 1min power frequency withstand voltage | kV | 42/48 | Wet 34 |
13 | Lightning impulse withstand voltage | kV | 75/85 |
|
14 | Secondary circuit 1min power frequency withstand voltage | kV | 2 |
Outdoor HV Vacuum Circuit Breaker Installation Diagram:
Good after sales service
Quality Warranty: one year. Products with any quality problem emerged in this period would be free repair or even replacement.
Long life maintenance and technical service.
HuaZheng Electric Manufacturing (Baoding) Co.,Ltd is the supplier of the State Grid in China.It means we are the supplier of the Chinese Government.And our products spread throughout the whole China.
What's more, our customers come from different countries like America, England, Bulgaria, Brazil, Chile, Malysia, Vietnam and so on.
Our main products are Insulation Oil Tester, Cable Fault Locator, Power Quality Analyzer, High Voltage Generator, High Voltage Capacitor, Testing Transformer and so on.
Contact Us
- Huazheng Electric Manufacturing (Baoding) Co., Ltd.
- Contact nameDavid Cai
- Phone86-312-6775757
- AddressElecteicity Valley Tech Centre, No.3088 Lekai Street, Hi-tech Zone, Baoding , Hebei , China Baoding,Hebei
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