VS1-12 type indoor high voltage vacuum circuit breaker

Short Description:

Specification:10-2000 USD/PIECEUse Parts:1 PIECESupply Ability:1000 PIECEPayment Terms:TT , LC , Others Tags:


Product Detail

Product 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

Ratedvoltage

KV

12

2

Max.voltage

KV

12

3

Ratedcurrent

A

1250/1600/2000/2500/3150

4

Ratedbreakcurrentonshorting

KA

31.5/40/50

5

Ratedshortcircuitmakingcurrent

KA

80/100/125

6

Ratedpeakwithstandcurrent

KA

80/100/125

7

4SRatedwithstandcurrent

KA

31.5/40/50

8

Ratedinsulationlevel

Powerfrequencyvoltage(whenlosingacircuit)

KV

Dreaker48

Impulsewithstandvoltage(whenlosingacircuit)

Dreaker84

9

Ratedoperatingsequence

OC-0.3s-CO-180S-CO

10

Mechanicallife

Times

10000

11

Opencircuittimesofratedshortdropoutcurrent

Times

50

12

Ratedclosebrakevoltageofoperatingmachnie

V

110,220

13

Ratedbreakbrakevoltageofoperatingmachnie

V

110,220

14

Clearancebetweenopencontacts

mm

11±1

15

Exceedrange(thecompresslengthofcontactsping)

mm

4±0.5

16

Differentperiodofthree-phasebreakandclosebreak

ms

≤2

17

Thejumptimeofcontactclosebreak

ms

≤2

18

Averagebreakspeed

m/s

0.9~1.2

19

Averageclosingspeed

m/s

0.6~1.2

20

Openingtime

Ubdermax.operatingvoltage

S

≤0.05

Undermin.operatingvoltage

≤0.08

21

Closingtime

s

≤0.1

22

Resistanceofeachphasemainloop

μΩ

≤40

23

Contactslimitersion

mm

3

Note:Please contact the factory to confirm the latest parameters

Outline and installation dimension

12722


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