ZW7 40.5kv 1250A наружный высоковольтный вакуумный выключатель переменного тока

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Описание и отзывы

Характеристики


 


1.pngzw7.pngZW7-40.5.png


Environmental Conditions


1.Ambient temperature: -40℃~+40℃;


2.Altitude: ≤1000m;


3.Maximum wind speed is 10km/h, minimum wind speed for the rated level (132/230kv) is


  3.2km/h;


4.Earthquake intensity: ≤8 level;


5.Minimum nominal creepage distance: 31mm/kV;


6.Air pollution degree: Class IV.



Main Technical Parameters



 











































































































No



Item



Unit



Value



1



Rated voltage



kV



40.5



2



Rated insulation level



1min power frequency


Dry test (fracture, inter-phase, to earth)


Wet test (to earth, external insulation)



kV



 95


 


85



Lightning impulse withstand voltage (peak)



185



3



Rated current



A



1250, 1600, 2000, 2500



4



Rated short circuit breaking current



kA



20, 25, 31.5



5



Rated short circuit making current (peak)



kA



50, 63, 80



6



Rated peak withstand current



kA



50, 63, 80



7



Rated short time withstand current



kA



20, 25, 31.5



8



Rated operating sequence



 



O-0.3S-CO-1 80S-CO



9



Rated short circuit breaking current breaking number



times



20



10



Mechanical life



times



10000



11



Circuit breaker net weight



kg



800



12



Average opening speed



m/s



1.4~1.7



13



Average closing speed



m/s



0.4~0.7



14



Closing time



ms



50≤t≤200



15



Opening time



ms



30≤t≤60




 General Structure Drawing and Installation Size (unit: mm)


 1.jpg


company3


 


 ♦ Establishment --- year 2000.
♦ Location ---- Xinguang Industrial Zone, Yueqing, Zhejiang Province, China, enjoys convenient transportation.
♦ Scale --- 28,000 m², construction area 40,000 m², integrates R&D, manufacture, sale and service, also has production base in Shanghai.
♦ Products --- HV & LV electrical products, including Switchgear, VCB, LBS, Vacuum Interrupter, Electrical Parts, etc.
♦ Corporate purpose --- technology makes development, quality makes survival, reputation makes friends.
♦ Business Philosophy --- integrity, practicality, innovation and efficiency.


 


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