• ISO9001-2000 Zw20 12kV Mingde Outdoor Vacuum Circuit Breaker

ISO9001-2000 Zw20 12kV Mingde Outdoor Vacuum Circuit Breaker

Rated Power of The Motor: 40W Circuit Breaker; Trademark: Mingde Circuit Breaker; Specification: CE, ISO9001 Circuit Breaker; HS Code: 8535210000;

Product Details

Quick Details

Description

  • Model NO.: 12kV Mingde Outdoor Circuit Breaker
  • Operation: Electric & Manual Circuit Breaker
  • Arc-extinguishing Medium: Vacuum
  • Structure: High and Medium Voltage Circuit Breaker
  • Type: Circuit Breaker
  • Certification: ISO9001-2000, CE
  • Rated Frequency: 50Hz Circuit Breaker
  • Mechanical Life: 10000 Times Circuit Breaker
  • Rated Short Circuit Breaking Times: 30 Times Circuit Breaker
  • Transport Package: Wooden Case Packing Circuit Breaker
  • Origin: Cixi, Ningbo. Zhejiang Circuit Breaker
  • Breaking Capacity: Middle& High Voltage Circuit Breaker
  • Speed: Normal Type Circuit Breaker
  • Installation: Fixed
  • Poles Number: 3
  • Function: Overcurrent Protection
  • Rated Current: 630A Circuit Breaker
  • Rated Short-Circuit Making Current: 50ka Circuit Breaker
  • Rated Power of The Motor: 40W Circuit Breaker
  • Trademark: Mingde Circuit Breaker
  • Specification: CE, ISO9001 Circuit Breaker
  • HS Code: 8535210000

 

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

ISO9001-2000 Zw20 12kV Mingde Outdoor Vacuum Circuit Breaker

Company Profile

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.

 

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