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VS1-12 Indoor Vacuum Circuit Breaker
VS1-12 Indoor Vacuum Circuit Breaker
VS1-12 Indoor Vacuum Circuit Breaker
VS1-12 Indoor Vacuum Circuit Breaker
VS1-12 Indoor Vacuum Circuit Breaker
VS1-12 Indoor Vacuum Circuit Breaker

VS1-12 Indoor Vacuum Circuit Breaker

Member Details

SINOAMIGO POWER T&D CORP

China

Trading Company,Manufacturer

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VS1-12 Indoor Vacuum Circuit Breaker

Summary


VS1-12 medium voltage vacuum circuit breaker is a kind of indoor medium voltage switch equipment with 50Hz/60Hz three phase AC 12kV rated voltage, which combined the technology of the ABB corporation in Switzerland and developed in China. Product complies with the standard GB1984 & IEC62271-100.

VS1-12 VCB usually mounted into switchgear panel KYN28 and XGN. It is applicable in occasions with frequent operation, has functions of high-speed recloser, Multiple Opening/Closing, reliable mechanical interlock. It has fixed type & withdrawable type.

It adopts the composite insulated material, there is no pollution and explosion danger, the insulation level is high.

 

Technical parameter

 

ItemUnitData
Rated voltagekV

10

Maximum working voltagekV12
Rated currentA6306301250
12501250 16001600, 2000
Rated short circuit breaking currentkA202531 . 5
Rated short circuit making current (peak)kA506380
Rated withstand current (peak)kA506380

Rated short-duration withstand current (4s)

kA202531 . 5
Rated insulation level1 min power frequency withstand voltageKV42( fracture 48)
Rated lightning impulse withstand voltage75( fracture 85)
Rated operating sequence
O-0. 3s-CO-180s-CO
Mechanical lifeTimesSpring Operation 10000                                                  Permanent Magnetic 30000

Breaking number for rated short-circuit current 

Times50

Rated operating voltage of closing coils (DC/AC)

V110,220

Rated operating voltage of opening coils (DC/AC)

V110,220

Clearance between open contacts

mm11±1

Contacting travel 

mm4±0.5

Three phase opening and closing bouncing time

ms≤2

Contact closing bouncing time

ms≤2

Average opening speed

m/s0.9 ~1.2

Average closing speed

m/s0.5 ~0.8

Opening time

Under maximum operating voltage

s≤ 0.05

Under minimum operating voltage

≤ 0.08

Closing time

s≤0.1

Main circuit resistance of each phase

μΩ630≤50      1250≤40

Permissible wearing accumulated depth for movable and fixed contact 

mm3


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