Storage, making and breaking by motor, It can operating by handle.
Breaking short-circuit current up to 25kA.
Mini motor spring mechanism (about 30W).
Installation method: adopt two type installation method.
Sealing performance: adopt reliable sealing technical.
Incoming & Outgoing method:adopt silicon bushing to make enough insulate distance
Safe operating: there is an equipment to protect explosion.
VS1(ZN63 ) series vacuum circuit breaker is an indoor three-phase AC high-voltage switchgear of 50 Hz and rated voltage 12KV, made by introducing the technology of Swiss ABB Company and according to domestic industrial development and production capacity. The entire structure of this product presents the integrated installation of switch body and operating mechanism. It adopts the composite insulation structure, with high insulation level, no pollution or explosion danger. Its operating mechanism is of spring energy-storage type, which be operated with alternating current or by manual.
|Rated insulation level||1 min line frequency withstand voltage||kV||42|
|rated thunder impulse withstand voltage||kV||75|
|Rated short circuit breaking current||kA||20,25,31.5,40|
|Rated short circuit closing current||kA||50,63,80,100|
|Rated peak withstand current||kA||50,63,80,100|
|Rated short circuit withstand current(effective value)||kA||20,25,31.5,40|
|Rated current breaking times||times||50|
|Rated short-circuit duration||S||4|
|Rated operating sequence||times||O-0.3s-CO-180s-CO|
|Rated single capacitor bank breaking current||A||630|
|Rated back-to-back capacitor bank breaking current||A||400|
|Contactor torque||mm||11 1|
|Contact stroke||mm||3 0.5|
|Three-phase opening synchronization||ms||≤2|
|Closing bounce time||ms||≤2|
|Phase-to-phase distance||mm||210 1.5(275 1.5)|
|Contact pressure of closing contact||N||3200 100|
|Average break brake speed||m/s||0.9~1.2|
|Average close brake speed||m/s||0.55~0.8|
|Accumulative Allowable Wear Thickness of Dynamic and Static Contacts||mm||3|