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VS1-12 type indoor high voltage vacuum circuit breaker

Specification: 10-2000 USD/PIECE
Use Parts: 1 PIECE
Supply Ability: 1000 PIECE
Payment Terms: TT , LC , Others
Tags:
Place of OriginChina

VS1-12 type indoor high voltage vacuum circuit breaker, three-phase AC 50Hz, rated voltage for indoor switchgear 12KV power system, protection of power equipment enterprises. As a condition of power equipment and control unit. The frequent operation is suitable for requirements in the rated working current, or multiple breaking short circuit current.
The circuit breaker adopts the operating mechanism and the circuit breaker body integral design, can be used as a fixed installation unit, also can be equipped with a special propelling mechanism, which is composed of the action of the hand car unit.

Advantages

Simple structure

Adapt ultra low resistance type vacuum interrupter

Adapt optimization and modular spring operating mechanism

Suitable for occasions with frequent operation

Free maintenance and long service life

High reliable performance

Environmental Conditions

Ambient temperature: not higher than +40 °C, not less than -10°C (at -30 °C to allow storage and transportation).

Altitude: not exceed 1000m.

Relative humidity: daily average of not more than 95%,saturated vapor pressure on the average of not more than 2.2 × 10-3MPa, On average not more than 1.8 × 10-3MPa.

Earthquake intensity: not more than eight.

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

Main Technical Parameters

 

Item

Description

Unit

Data

1

Rated voltage

KV

12

2

Max. voltage

KV

12

3

Rated current

A

1250/1600/2000/2500/3150

4

Rated break current on shorting

KA

31.5/40/50

5

Rated short circuit making current

KA

80/100/125

6

Rated peak withstand current

KA

80/100/125

7

4S Rated withstand current

KA

31.5/40/50

8

Rated insulation level

Power frequency voltage(when losing a circuit)

KV

Dreaker 48

Impulse withstand voltage(when losing a circuit)

Dreaker 84

9

Rated operating sequence


OC-0.3s-CO-180S-CO

10

Mechanical life

Times

10000

11

Open circuit times of rated short dropout current

Times

50

12

Rated close brake voltage of operating machnie

V

110,220

13

Rated break brake voltage of operating machnie

V

110,220

14

Clearance between open contacts

mm

11±1

15

Exceed range(the compress length of contact sping)

mm

4±0.5

16

Different period of three-phase break and close break

ms

≤2

17

The jump time of contact close break

ms

≤2

18

Average break speed

m/s

0.9~1.2

19

Average closing speed

m/s

0.6~1.2

20

Opening time

Ubder max.operating voltage

S

≤0.05

Under min.operating voltage

≤0.08

21

Closing time

s

≤0.1

22

Resistance of each phase main loop

μΩ

≤40

23

Contacts limit ersion

mm

3

Note:Please contact the factory to confirm the latest parameters

Outline and installation dimension

 

 


Send a message to us

CONTACT US

+86-577-62697170
Liushi Town, Yueqing, Wenzhou, Zhejiang Province.

COMPANY DETAILS

Yueqing Aiso Electric Co.,Ltd. is located in Liushi Town, Yueqing, Wenzhou, Zhejiang Province. Industrial Zone, Liushi town is China's high and low voltage electrical appliances.
Yueqing Aiso Electric Co., Ltd