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Place of Origin
HS-CODE
85-
Package & Delivery Lead Time
Detailed Description
Vacuum Interrupter (ZKTDW-630/12-20 TYPE)
ZKTDtype vacuum switch pipe make insulation shell with high alumina porcelain, outside, cover again in pipe and the insulating material of high-strength ripple form, make medium with high vacuum, thus endure high voltage and minute to break, ability is strong the length of service life , Chu head need not repair , especially because of its electric arc not outside dew, safe reliable advantage, is coal, power, chemical engineering, metallurgy, weaving and high-rise building etc. profession department place extensive adopting.
This product matches with suitable hold motivation Gou, may assemble close the business flow out circuit breaker , happen as three-phase exchange , power supply system in distribution and motor concentration control equipment.
Technical parameter
Specified working voltage 10KV
Specified is short endure by time 4S
Specified working current 630A
Specified work frequency withstand voltage 42KV
The specified switched current of short circuit 20KA
Impact withstand voltage 75KV
Specified short circuit is opened broken frequency 30Frequency
Chu head from close force 100+_10N
Specified barrier joins current (Peak value )50KA
Specified is away from open take off Chu head turn over force 140+_14N
Specified current breaks open frequency 1000 times
Specified Chu first pressure contact resistance ≤100μΩ
Mechanical life 10000Is ten thousands
Match to use circuit breaker ZW8-12type
Specified is short withstand current 20KA
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