Wankong Group Co., Ltd.

home products Vacuum circuit breaker VS1 Indoor High Voltage vacuum circuit breaker

VS1 Indoor High Voltage vacuum circuit breaker

Product Details:

Type Vacuum
Poles Number 3
Place of Origin Zhejiang, China (Mainland)
Brand Name WANKONG
Model Number VS1

Payment & Shipping Terms:

Minimum Order Quantity: 1 Piece/Pieces
Packaging Details: wooden
Delivery Time: Within 30days
Payment Terms: L/C,T/T
Supply Ability: 150 Piece/Pieces per Day

Detailed Product Description


1. General

    VS1 series vacuum circuit breaker is indoor high voltage switchgear with rated voltage 7.2-12kV, three-phase AC 50Hz, It is used for the This product conforms to the national standard GB1984-2003 "Alternate current high-voltage circuit breaker", and international standard IEC 62271-100"High-voltage alternate current circuit breaker".
    
2. Service Environment
     Altitude:1000m and below;
     Environmental temperature is from:-15~40°C;
     Environmental humidity:
     Daily average of relative humidity≤95%
     Daily average saturated vapor pressure≤2.2×10-3Mpa
     Monthly average of relative humidity≤90%
     Monthly average saturated vapor pressure≤1.8×10-3Mp
    No operating in such environment as subject to dust, dirt, smog, corrosive/flammable gas, vapor and salt pollution.
    Earthquake intensity: No more than 8 degree.
 
3. Technical data

Code

Item

Unit

Data

1

Rated voltage

kV

12

2

rated frequency

Hz

50

3

Rated lighting impact withstand voltage(peak value)

kV

75

4

power frequency withstand voltage (1 min)

kV

42

5

Rated current

A

     630   630   1250
    1250  1250  1600

6

Rated short-circuit breaking current

kV

  20    25    31.5

7

Rated short-time withstand current (virtual value)

kV

  20    25    31.5

8

Rated peak withstand current (peak value)

kV

  50    63    80

9

Rated short-circuit making current (peak value)

kV

  50    63    80

10

Duration of rated short-circuit current

s

4

11

Rated operating order

0-0.3-CO-180S-CO  0-180S-CO-180S-CO

12

Rated breaking current of single/symmetrical capacitor bank

A

630/400 (40kA:800/400)

13

Rated making surge current of capacitor bank

kV

20 (frequency:4250Hz)

14

Contact clearance

mm

11±1

15

Contact travel

mm

3.5±0.5

16

Bounce time of contact making

ms

≤2

17

Out of simultaneity of three-phase making and breaking

ms

≤2

18

Average breaking speed

m/s

0.9~1.2

19

Average making speed

m/s

0.5~0.8

20

Breaking time (rated voltage)

ms

20~50

21

Making time (rated voltage)

ms

35~70

22

Rated operation voltage of making and breaking

V

AC110/220, DC110/220

23

Rated voltage of energy storage motor

V

AC110/220, DC110/220

24

Rated power of energy storage motor

W

70,100 (40kA)

25

Energy storage time

s

≤15

26

Permitted abrasion thickness of moving and fixed contacts

mm

≤3

27

Rebound amplitude of contact breaking

mm

≤2

28

Main circuit resistance

         630A      ≤50µΩ
        1250A     ≤45µΩ

VS1 Indoor High Voltage vacuum circuit breaker VS1 Indoor High Voltage vacuum circuit breaker

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Company Info

Wankong Group Co., Ltd.
[China (Mainland)]
[Verified Member]

City: Wenzhou
Province/State: Zhejiang
Country/Region : China (Mainland)

Business Type:Manufacturer

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