ZW20 Outdoor Circuit Breaker
| Price: |
US $ 200-220/Piece |
| Trade Terms: |
FOB,CFR,CIF |
| Min Order: |
1/Piece |
| Pay Type: |
L/C,T/T |
Product Specifications
| Prod Model: |
12kV Mingde Outdoor Circuit Breaker |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Rated Current: |
630A |
| Rated Frequency: |
50Hz |
| Rated Short-Circuit Making Current: |
50ka |
| Mechanical Life: |
10000 Times |
| Rated Power Of The Motor: |
40W |
| Rated Short Circuit Breaking Times: |
30 Times |
| Speed: |
Normal Type Circuit Breaker |
| Arc-extinguishing Medium: |
Vacuum |
| Installation: |
Fixed |
| Poles Number: |
3 |
| Certification: |
CE |
| Breaking Capacity: |
Middle& High Voltage |
| Operation: |
Electric & Manual |
| Structure: |
High and Medium Voltage Circuit Breaker |
Product Description
Main technical data of the circuit breaker ZW20| No. | Item | Unit | Numerical value |
| 1 | Rated voltage | kV | 12 |
| 2 | Rated current | A | 630 |
| 3 | Rated frequency | Hz | 50 |
| 4 | Rated short-circuit breaking current | kA | 20 |
| 5 | Rated peak withstand current | kA | 50 |
| 6 | Rated short-time withstand current | kA/S | 20/4 |
| 7 | Rated short-circuit making current (peak value) | kA | 50 |
| 8 | Rated operating sequence |
| O-0.3S-CO-180s-CO |
| 9 | Mechanical life | times | 10000 |
| 10 | Rated short-circuit breaking times | times | 30 |
| 11 | 1 min frequency withstand | (wet) between poles, to earth/ between open contacts | kV | 34 |
| (dry) (wet) between poles, to earth/ between open contacts | kV | 42 |
| 12 | Rated lightning impulse withstand current (peak value) between poles, to earth/between open contacts | kV | 85 |
| 13 | Power frequency withstand voltage of secondary circuit (1 min) | V | 2000 |
| 14 | SF6 gas pressure | Mpa | 0 |
Main technical features of the circuit breaker ZW20| No. | Item | Unit | Numerical value |
| 1 | Clearance | mm | 9±1 |
| 2 | Travel | mm | 3~4 |
| 3 | Opening speed | m/s | 1.2±0.2 |
| 4 | Closing speed | m/s | 0.6±0.2 |
| 5 | Bounce time(contacts closing) | m/s | ≤2 |
| 6 | Pole center distance | mm | 135(inside)/280(outside) |
| 7 | Three pole opening/closing non-synchronism | ms | ≤2 |
| 8 | Each pole's conductance circuit resistance | μΩ | ≤150 |
| 9 | Closing time | ms | 25~60 |
| 10 | Opening time | ms | 20~50 |
| 11 | Rated power of the motor | W | 40 |
Rende Power Technology Group
With two wholly-owned holding subsidiaries of Ningbo Mingde Electrical Science&Technology Co., Ltd. And Mingde Electrical(Shanghai) Co., Ltd., Rende Power Technology Group is a high-tech enterprise that specializes in providing high-end circuit breaker technical solutions and core equipment manufacturing for the power industry.
Established in 2007, Ningbo Mingde Electrical Science&Technology Co., Ltd. is a manufacturing base of the company which is primarily responsible for the research and development, manufacturing and logistics of all the products. Situated in Cixi of Ningbo city, south bank of Hangzhou Bay Sea-Crossing Bridge, Ningbo Mingde Electrical Science&Technology Co., Ltd enjoys a beautiful natural scenery and humanistic landscape.
Located in Jiading New City, known as "One hundred meters--a forest, One thousand meters--a lake", Mingde Electrical (Shanghai) Co., Ltd. is seated at Jiading District, the future political economic and cultural center of Shanghai. Mingde Electrical (Shanghai) Co., Ltd. is mainly responsible for the external contact and the sales of all the products and for providing integrated solutions and service for the customers in power industry.
Up to now, the company has established a long-term strategic cooperation relationship with the domestic and international famous enterprises and universities and colleges, such as ABB, Schneider, Siemens, Eton, Baoguang, Xi'an Jiaotong University and Chongqing University and so on. The company is equipped with the product design and manufacturing capacity of 18000 sets of VMD high-voltage vacuum circuit breakers, 22000 sets of VMV smart vacuum circuit breakers and 6000 sets of switchgear assembly.
Leading technology, Stable property, Quality assurance, Energy Conservation and Environmental Protection--the unremitting pursuit of our company
Business Philosophy
To be a professional enterprise in electrical industry, through pragmatic work with a high sense of responsibility to the customers, employees, industry and society!
With the objective of the market demand and the criteria of customer satisfaction, we are committed to provide professional services to the electric systems. We insist on the people-oriented concept and the spirit of innovation in technology, management and marketing. Adhering to the business philosophy of quality service, our company is dedicated to providing safe and reliable products as well as quality service, to create value for employees, shareholders and customers.
Corporate Culture:
To be a professional and qualified server in global power industry
Corporate value:
Harmony, Dedication, Integrity and Win-win cooperation
Market Achievements
Application to some Engineering Projects in domestic and foreign markets
1. VMV circuit breaker applied in Sinopec, Shanghai Branch.
2. VMD3 applied in Rosneft, an oil company in Russia, through cooperation with the local switchgear manufacturer.
3. VMD2 circuit breaker applied in GAZPROM, the largest gas company in Russia.
4. Modularized circuit breaker applied in cement company from Saudi Arab.
5.12kv VS1 circuit breaker applied in residential area, Veken Taizi Bay, Ningbo city.
6. VMD4 applied in Tenaga National Berhad, the largest power grid company in Malaysia.
7. VMV4 modularized circuit breaker applied in Persian Gulf Star Refinery.
8.24kv VS1 circuit breaker delivered and applied in Sibayak Geothermal Plant, Indonesia.
9.17.5kv VMV modularized circuit breaker applied in Jaworzno, a new plant in Poland.
10.17.5kv VS1 circuit breaker applied in TAURON
11.2010, VMD3-24 applied to BURC, FEKE II, a hydropower station in Turkey.
