Zhejiang Pingchao Electric Co.,Ltd

12KV Indoor Vacuum Circuit Breaker

VCB for 12KV Switchgear

VS1 -12KV fixed type indoor vacuum circuit breaker is rated voltage 12kV, three-phase AC 50Hz/60Hz Indoor high-voltage switchgear ,applied for power stations, substations...
Chat Now

General Introduction:

VS1 -12KV fixed type indoor vacuum circuit breaker is rated voltage 12kV, three-phase AC 50Hz/60Hz Indoor high-voltage switchgear ,applied for power stations, substations, and industrial and mining enterprises to control or  protection transmission and distribution systems , specially for the important high altitude breaking load and frequent operation place.

Circuit breaker operating mechanism for the spring energy storage type, can use AC and DC energy storage operations, can also be used manually.Circuit breaker can also be equipped with long life permanent magnetic actuator, mechanical life can reached 60000 times , can be used for extremely Frequent operation place.


Working Conditions

1.Ambient temperature: not higher than +40 °C, not less than -15°C

2. Altitude: not exceed 1000m.

3. Relative humidity: daily average of not more than 95%, month average of not more than 90%.

4. Earthquake intensity: not more than ten.

5. No fire, explosion hazard, serious filthy, chemical corrosion, as well as places of intense vibration.


Technical Specification: 

NO

Item

Units

Parameters

1

Rated voltage

KV

12

2

Rated Frequency

HZ

50

3

Rated Current

A

630.1250.1600.2000.3150

4

Rated short-circuit breaking current

KA

20 25 31.5

5

Rated short-circuit closing current   (peak)

KA

50 63 80

6

Rated short-circuit duration

S

4

7

Rated short-circuit breaking current   breaking number

nos

50s

8

Rated operating sequence


0-0.3s-CO-180s-CO

9

Rated lightning impulse withstandvoltage

kv

125

10

1min power frequency withstand voltage

KV

65

11

Closing time

ms

≤ 70

12

opening time

ms

≤ 50

13

Mechanical life

Times

20000

14

Rated Storage and operation voltage

V

AC DC 220/110

15

Breaking life

ms

≤ 80

16

Storage life

s

≤ 10

Hot Tags: VCB for 12KV switchgear, China, manufacturers, factory, customized, wholesale, free sample
Related Products