FZN25 12KV Электрический трех полюсный вакуумный выключатель нагрузки цена

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Product parameters


















































































































































































NO



Item



Units



Technical parameters



1



Rated voltage



KV



12



2



Rated short-duration power frequency withstand voltage



 



42/48(Interphase, ground/fracture)



3



Rated lightning impulse withstand voltage



 



42/48(Interphase, ground/fracture)



4



Rated frequency



Hz



50



5



Rated current



A



630   1250



630 1250 1600


2000 2500 3150



630 1250 1600


2000 2500 3150



6



Rated short-circuit breaking current



KA



20/25



31.5



40



7



Rated short-time withstand voltage



 



20/25



31.5



40



8



Rated short circuit duration



S



4



9



Rated peak withstand current



KA



50/63



80



100



10



Rated short circuit closing current



 



50/63



80



100



11



Secondary circuit power frequency withstand voltage (1min)



 



2000



12



Rated single / back to back capacitor group breaking current



A



630/400(40kA:800/400)



13



Rated capacitor bank closing current



 



12.5 (frequency is not greater than)



14



Mechanical life



KA



20000



15



Rated current breaking times (electrical life)



 



20000



16



Rated short circuit current breaking times



times



50(40KA≤30)



17



Dynamic and static contacts allow wear cumulative thickness



mm



3



18



Energy storage time



s



≤10



19



Contact opening distance



mm



11±1



20



Overtravel



 



3.5±0.5



21



Contact closing bounce time



ms



≤2(40KA≤3)



22



Three-phase split/closed period



 



≤2



23



Average opening speed (contacts are separated by -8mm)



m/s



1.2±0.2



24



Main conductive loop resistance



 



0.6±0.2



25



Main conductive loop resistance



μΩ



≤50(630A)≤45(1250A)


≤40 (1600,2000A)≤35 (2500A or more)



26



Rated operation sequence



 



0-0.3s-Co-180s-Co






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