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Switch cabinet accessoriesHLVP-12(VS1) Indoor Type VCB Vacuum Circuit Breaker
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HLVP(VS1)-12 Model indoor high voltage vacuum circuit breaker applies to power system of rated voltage 12kv as a protective and control unit for power grid equipment and industrial power equipment It can equip with KYN28(GZS1), XGN, GG-1A and other types of switchgear panels. Related products: isolated handcart, fuse handcart and voltage transformer handcart.   


Ambient temperature:-10℃-+40

Relative humidity:The average humidity of a day should be no more than 95%. The average humidity of a month should be no more than 90%.

Earthquake intensity: not exceed 8 degrees.

Saturated vapor pressure the average pressure of a day should be no more than 2.2kPa; the average pressure of a month should be no more

Than1.8Kpa;

The height above sea level:≤1000 m (Except special requirements)

It should be installed in the places without fire, explosion, serious filth, and chemical erosion and violent vibration.

NO.

ITEM

Unit

Parameter

1

Rated Voltage

KV

12

2

Rated Lighting Impulse Voltage tolerance 

KV

75

3

1 min Frequency Voltage 

KV

42

4

Frequency tolerance of the secondary circuit voltage (1 min)

V

2000

5

Rated short-circuit breaking current breaking number

Times

50

6

1min power frequency

KA

42/48

7

Lightning impulse withstand voltage (peak)

75/85

8

Rated short-circuit breaking current

KA

20/25

31.5

40

9

Rated crurrent

A

630

1250

630/1250

1250/1600

1600/2000

2000/2500

2500/3150

3150/4000

10

Rated thermal stability of current(RMS)

kA

20/25

31.5

40

11

Dynamic Stability rated current(peak)

kA

63

80

100

12

Rated short-circuit closing current(peak)

kA

63

80

100

13

rated operating sequence 

O-0.3s-CO-180s-CO

O-180s-CO-180s-CO

14

Rated a single/back-to-back electric current breaking device group

A

630/400     800/400(40KA)

15

Mechanical life 

Times

10000

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