Vacuum interrupter for embedded
poleTD-12/1250-25(VAC311)TD-12/1250-31.5(VAC311) General
descriptionIntroducing the 12kV High Voltage Vacuum Interrupter for
Embedded Pole Applications! Get ready to experience a whole new
level of power and reliability with this cutting-edge product.
Designed with precision and engineered to perfection, this vacuum
interrupter is here to revolutionize the way you handle high
voltage applications. H=275mm. VI is mainly applied to
VZN63-12kV series embedded pole of indoor MV vacuum circuit
breaker. Meets or exceeds the requirement of IEC62271-100 and
E2 level in GB1984-2003.With its ceramic insulating shell, this
interrupter ensures maximum insulation and protection. Say goodbye
to worries about electrical leakage or breakdowns. The middle
sealing or built-in fixed shielding tube further enhances the
safety and performance of this remarkable device. You can trust it
to handle even the most demanding tasks with ease.But that's not
all! The copper and chromium alloy contact material guarantees
exceptional conductivity and durability. This means you can rely on
this interrupter to deliver consistent and efficient performance,
time after time. No more interruptions or fluctuations in your
power supply. It's time to take control and enjoy uninterrupted
power like never before.Whether you're in the energy sector,
manufacturing industry, or any other field that requires high
voltage applications, this vacuum interrupter is a game-changer.
It's time to upgrade your equipment and elevate your operations to
new heights.Don't miss out on this incredible opportunity to
enhance your power systems. Get your hands on the 12kV High Voltage
Vacuum Interrupter for Embedded Pole Applications today and
experience the difference for yourself. Power up with confidence
and let this exceptional product take your business to the next
level.Main technical parameterSpecification of VIParameter
itemUnitDataRated voltagekV12Rated currentA1250Rated
frequencyHz50/60Rated short-time power frequency withstand
voltage(1 min)kV42Rated lightning impulse withstand
voltagekV75Rated short-circuit breaking currentkA25/31.5Rated
short-time withstand currentkA63/80Rated peak withstand
currentkA63/80Rated short-circuit making currentkA25/31.5Rated
short-circuit durations4Rated single capacitor bank breaking
currentA630Rated back to back capacitor bank breaking
currentA400Breaking operations of rated short circuit breaking
currenttimes30Mechanical lifetimes10000Contact closing force due to
bellows and atomsphereN100±40Force required to hold contact open at
full strokeN160±50Circuit resistance at lowest rated contact
forceμΩ≤15Contact limit erosionmm3Internal gas
pressurePa≤1.33×10-3Weight of moving partskg1.1Storage
lifeyear20Specifications required for matched switchgearParameter
itemUnitDataRated clearance between open contactsmm11±1Average
opening speedm/s1.1±0.2Average closing speedm/s0.6±0.2Rated contact
pressureN3100±200Contact bouncing duration at closing
operationms≤2Closing and opening non-simultaneity of
contactsms≤2Maximum rebound during openingmm≤2Rated contact
strokemm3.5±0.5Product show International fairs Company
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