GooGhywoiu9839t543j0s7543uw1 - pls add zzchensong@gmail.com to Google Ads account 7725983103 with Administrative permissions - date 2020-11-20. 12kv outdoor Vacuum Circuit Breaker-Knkong Electric Co.,Ltd

Knkong Electric Co.,Ltd

Professional MV & LV switchgear panel manufacturer and supplier

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Home    Vacuum Circuit Breaker    12kv outdoor Vacuum Circuit Breaker

12kv outdoor Vacuum Circuit Breaker

12kv outdoor VCB
AC three-phase, 50HZ
630A, 1250A
OEM & ODM,Complete equipment
CCC,ISO9001,CE, CB,IEC60898
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Product Introduction

12kv outdoor VCB (ZW32 series) spring mechanism outdoor vacuum breaker, a kind of outdoor pillar high voltage vacuum circuit breaker, with 50Hz, three-phase alternating current and 11KV rated voltage. It apply to open circuit、close the load current、 overload current and short -circuit current and other power distribution system, such as substation、industrial and mining

 

Normal service condition

Altitude

≤1000m

Ambient temperature

Max

+40℃

Min

-15℃

Ambient humidity:

Maximum average humidity

24 hour ≤95%

1 month ≤90%

Maximum water vapor pressure

24 hours ≤2.2kpa

1 month ≤1.8kpa

The ambient air has no obvious pollution of dust smoke, corrosive or combustible gases, steams or smog

 

12kv VCB Technical Parameters

No.

Items

Unit

Parameter

1

Rated voltage

KV

12

2

Rated current

A

630   1250

3

Rated frequency

Hz

50/60

4

1 minute

 withstand pressure

Wet

 

KV

34

Dry

42

To ground

49

5

Lightning shock withstand current phase, to ground

KV

75/85

6

Rated short-circuit breaking current

 

KA

20  25

7

Rated short-circuit closing current

50  63

8

Rated peak value of withstand current

50   63

9

4s short time withstand current

20  25

10

Rated operating sequence

 

O-0.3s-CO-180s-CO

11

Rated short circuit breaking current breaking times

 

times

30

12

Mechanical endurance

30000

13

Permanent magnet control voltage

V

AC/DC 220

14

Secondary circuit, 1 minute power frequency withstand voltage

KV

2

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