Home > Products > Circuit Breaker > outdoor intelligent high voltage vacuum circuit breaker ZW20-12
outdoor intelligent high voltage vacuum circuit breaker ZW20-12
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Product Details
Place of Origin: | Shaanxi, China | Brand Name: | YS | Model Number: | ZW20-12 |
Product Description
Specifications
ZW20-12 outdoor sf6 circuit breaker is with modularized design, anti-interference design, compact structure, free maintenance, l
ZW20-12 Vacuum Circuit Breaker, Outdoor Type
1. Prodcut Overview
1.1.Application: for the control and protection of substation and equipments; making and breaking short-circuit current under various operating status of electric network
1.2.Standards: IEC 62271-100
1.3.Parameters: Rated voltage: 12kV.
Rated current: 1000A .
Rated frequence:AC50HZ.
2. Features:
2.1 Impact and vibration reduced, Less maintenance
Easy operation and installation.
Copact design and reliable interlock.
.
Mainly technical parameters | |||
NO | Item | Units | parameters |
1 | Rated voltage | KV | 12 |
2 | Rated Frequency | HZ | 50 |
3 | Rated Current | A | 630 |
4 | Rated short-circuit breaking current | KA | 16 20 25 |
5 | Rated short-circuit closing current (peak) | KA | 40 50 63 |
6 | Rated short-circuit duration | S | 4 |
7 | Rated short-circuit breaking current breaking number | nos | 30s |
8 | Rated operating sequence | 0-0.3s-CO-180s-CO | |
9 | Rated lightning impulse withstand voltage | kv | 85 |
10 | 1min power frequency withstand voltage | KV | 48 |
11 | Closing time | ms | ≤ 100 |
12 | opening time | ms | ≤ 50 |
13 | Mechanical life | Times | 20000 |
14 | Rated Storage and operation voltage | V | AC DC 220/110 |
15 | Breaking life | ms | ≤ 80 |
16 | Storage life | s | ≤ 10 |
Adjust the parameters of mechanical properties: | |||
No | Item | Unit | Parameters |
1 | Contact distance | mm | 9±1 |
2 | Contact Over-travel | mm | 3±1 |
3 | Closing speed | m/s | 0.6±0.2 |
4 | Opening speed | m/s | 1.2±0.2 |
5 | Contact closing spring time | ms | ≤2 |
6 | Rated contact pressure | N | 20KA(2400±200) |
7 | Three phase closing opening asynchrony | ms | ≤2 |
Contact Us
- Xian Yuanshun Electrical Co., Ltd.
- Contact nameRachel Hu
- Phone86-029-63652215
- AddressRm. 3006, Bldg. D, Wangzuo Xiandai City, High-Tech Zone
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