24KV vacuum interrupter for contactor

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Product Overview

Description



Main Technical Data


 


 


 

























































































































ELECTRICAL RATINGS(3PHASE) SYMMETRICAL BASIS 



1.Rated Voltage



1.14KV



2.Rated Current



250/400/630A



3.Rated Frequency



50Hz 



4.Rated Short-time Power Frequency Withstand Voltage(1min) 



10KV



5.Rated lightring Impulse Withstand Voltage



15KV



6.Rated making Current



2.5/4.0/6.3KA



7.Rated breaking current,max



2.0/3.2/5.0kA



8. Rated breaking current,min



50/80/125A



9. Rated breaking current,limit



2.5/4.0/6.3KA



10.Rated Short-time Withstand current(3Phase Symmetrical Basis)



2.5/4.0/6.3KA



11. Rated Duration of Short-circuit



4s 



12. Mechanical Life



50*104Operations 



13.Electricity life AC-3



25*104Operations 



14. Electricity life AC-4



10*104Operations 



15.Rated contact stroke



3±0.5mm



16.Contact closing force due to bellows and atmosphere



730N



17.Counterforce at rated contact stroke



1140N



18. Circuit Resistance at Rated Contact Froce Atmosphere Force



60Micro ohms



19. Shelf Life



20Years



20. Contact Erosion Limit



3mm 



21.Weight of moving parts



0.3kg



MECHANICAL REQUIREMENTS(REF. VCB) 



1. Rated Contact Compressive Force



1110N 



2.Opening Speed(average)



0.6±0.2m/Sec 



3.Closing Speed(average)



0.3±0.1m/Sec 



4. Maximum Contact Bounse Duration at closing operation



≤2ms



5. Contact Bouncing Bank Amplitude of Opeing Operation



≤2mm 



6.Three-pole simultaneity



1ms




 


 


Company Information


 


Wuhan Feite Electric Co.,Ltd is the very big manufactory in China,


specializing in Vacuum interrupter (VI) ranging from 1.14KV upto 40.5KV,it is more than 100 types vacuum interrupters ,we also provide embedded poles and indoor and outdoor vacuum circuit breaker


(VCB),vacuum load breaking switch and vacuum contactor


 


Our vacuum interrupters meets and exceeds the electrical endurance requirement of class E2 for autoreclosing duty per IEC62271-100 and 


GB19842003.Our qualtity is guaranteed!our products are


 tested by Xi'an High Voltage Apparatus Research Institute Co.,Ltd


(www.xihari.com)in China,and pass the KEMA test in New Zealand.


Our Services


Our after-sales service:
Special process (once seal-exhaust ) present the qualified rate of 99.56%,
Company rate of finished products reached 99.24%.And as the retesting before delivery, so we can make sure the 100% qualified vacuum interrupters  be deliveried.


If quality problems,we guarantee change or refund the vacuum interrupter or free maintain in one year.



 


We are willing to hear your opinion and tell you the details about the product.      


 


Welcome come to visit and inquiry!


 


 


0.2079 s.