Vacuum interrupter for contactorVTJ4340AZKTJ 400/12-6.3ZKTJ
630/12-6.3 Vacuum Interrupter for ContactorVacuum arc
extinguishing chamber, also known as vacuum switch tube, is the
core component of the high voltage power switch, its main role is
to cut off the arc and inhibit the electric current by its high
inside insulation performance to avoid accidents.Wuhan Feite
Electric brand vacuum arc extinguishing chamber adopts a corrugated
ceramic insulation shell, copper tungsten tungsten carbide alloy
materials contact, using advanced one exhuast technology process
makes the vacuum interrupter has the advantages of small volume,
high insulating level, low closure value, long service lifetime,
easy-maintenance, explosion-free, low noise, low maintenance costs,
reliable operation and non-pollution etc.. The vacuum arc
extinguishing chamber mainly been used in power transmission and
distribution control system. It is also can be used in metallurgy,
mine, petroleum, chemical industry, railway, broadcasting,
communications, industrial high frequency heating power
distribution system.Wuhan Feite Electric vacuum arc extinguishing
chamber for vacuum contactor rated voltage is 1.14~40.5kV, rated
current is 630A~1250AMain Technical Data ELECTRICAL
RATINGS(3PHASE) SYMMETRICAL BASIS 1.Rated Voltage12KV2.Rated
Current400/630A3.Rated Frequency50Hz 4.Rated Short-time Power
Frequency Withstand Voltage(1min) 70KV5.Rated Lighting Impulse
Withstand Voltage107KV6.Rated Making Current6.3KA7.Rated Breaking
Current,Max5.0KA8.Rated Breaking Current,Min125A9.Rated Making
Current,Limit6.3KA10.Rated Short-time Withstand
current6.3KA11.Rated Duration of Short-circuit4s12.Mechanical
Life30×times13.Electricity Life AC-325×times14.Electricity Life
AC-410×times15.Rated Contactl Stroke8±1mm16.Contact Closing Force
Due to bellows and atmosphere120±50N17.Counterforce at rated
contact stroke190±60N18.Circuit resistance at rated contact
atmosphere force≤45 µ 19. Shelf life20years20.Contact erosion
limit3mm21.Weight of moving parts≤1.2kgMECHANICAL REQUIREMENTS(REF.
VCB) 1.Added contact force500±50N 2.Average opening
speed1.0±0.2m/Sec 3.Average closing
speed0.6±0.2m/Sec 4.Contact Bouncing Duration at closing
operation≤2ms5.Contact Bouncing Bank Amplitude of Opeing
Operation≤2mm 6.Three-pole simultaneity≤1msNotes:1.Meets or
exceeds the electrical endurance requirements of class E2 for
autoreclosing duty per IEC 62271-100 and GB 8738-2008.2.* Rated
Characteristics to be given on request 1> Vacuum
Interrupter Components2> Vacuum Interrupter Production
Equipments3> Different Types Vacuum Interrupter and Embedded
Poles4> Honors5> Vacuum Interrupter and Embedded Poles
Stock6> Company Introduction /* January 22,
2024 19:08:37 */!function(){function s(e,r){var
a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
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