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ZW20-12/T630-25 Series outdoor 11 kv vacuum circuit breaker

ZW20A-12 Type of outdoor high voltage vacuum circuit breaker for a period of 12KV, rated voltage of the three-phase AC 50HZ outdoor distribution equipment. It adopts vacuum arcing and SF6 gas as insulating medium is ZW20-12 column type vacuum circuit breaker on the modified products.

Description

  • Place of Origin: Liaoning, China (Mainland)
  • Brand Name: Dandong Danli
  • Model Number: ZW20-12/T630-25
  • Type: Vacuum, DL-027
  • Poles Number: 3
  • Model: ZW20-12/T630-25
  • Material: rubber
  • Application: High Voltage Equipment
  • Product Name: Circuit Breaker
  • Standard: IOS9001:2000
  • Color: Grey
  • Rated Voltage: 12 KV

 

Overview:

ZW20A-12 Type of outdoor high voltage vacuum circuit breaker for a period of 12KV, rated voltage of the three-phase AC 50HZ outdoor distribution equipment. It adopts vacuum arcing and SF6 gas as insulating medium is ZW20-12 column type vacuum circuit breaker on the modified products.

The product suitable for substation industrial and mining establishments rural power network and occasions with frequent operation to protect and control. ZW20A outdoor AC high voltage vacuum circuit breaker is mainly used to break and close load current, over-load current and short-circuit current in outdoor 36kv three-phase alternating current 50Hz power system, also suitable for occasion with frequent operations.

 

Service conditions:

1. Ambient Temperature: -40℃ ~ +40℃

2. Altitude: ≤2000m

3. Wind speed: ≤34m/s

4. Earthquake intensity: ≤8

5. Relative humidity: daily≤95%, month≤90%

6. Installation site: Not including inflammable, explosive, chemical corrosion.

 

Technical parameters:

NO.

Item

Unit

 Numeric

1

Nominal  Voltage

KV

12

2

Rated  Frequency

HZ

50

3

Rated  Current

A

630

4

Rated Short-circuit Breaking Current

KA

20

5

Dynamic Stability rated current

KA

50

6

RMS/Rated the rmal stabilization

KA/S

20/4

7

Mechanism life

Times

10000

8

Rated short-circuit closing breaking Number

Times

30

9

Rated operating sequence

 

O-0.3s-CO-180s-CO

10

Rated breaking current number

Tmes

10000

11

Rated short-circuit close-open current

KA

50

12

Rated insulation level

KV

 

Short Power-frequency withstand

Thunder

shocking

PE

42/34

75

PP

42/34

75

Fracture

48/34

85

Assist

2

 

13

SF6 rated pressure (20 spend pressure)

MPa

0.01

14

Rated short-circuit closing breaking Number

T

30

15

Rated short-circuit cut-off current's DC component

%dc

51.3

ZW20-12/T630-25 Series outdoor 11 kv vacuum circuit breaker

Year Established:

Business Type:Manufacturer, Trading Company

Management Certifiation:

Operational Address: Wuying Street, Yalu River Office, Zhenan District, Dandong, Liaoning, China (Mainland)