Sell Vacuum Interrupter (ZKBDW-630/12-20 TYPE)

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Vacuum Interrupter (ZKBDW-630/12-20 TYPE)
ZKTD type 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 voltage 10KV
Specified is short withstand current 20KA
Specified working current 630A
Specified is short endure by 4 time Ss
The specified switched current of short circuit 20KA
Chu head from close force 190+_40N
Specified current Break open Frequency 30Frequency
Specified open rules take off Chu head turn over force 240+_40N
Specified impact withstand voltage 75KV
Specified Chu the contact resistance under first pressure <=305(Ohms)
The specified barrier of short circuit joins 50 current KAs ( peak value)
Chu the first thickness of permissible wear 3mm
The 50 specified KAs of peak value of withstand current
The 20 years of storage life
Is specified Work frequency withstand voltage 42KV
Match to use the 8-12 ZW type of circuit breaker