VS1-12/4000 Trolley Type Vacuum Circuit Breaker Insulation Cylinder High Current 4000A
-
VS1-12/4000 Trolley Type Vacuum Circuit Breaker Insulation Cylinder High Current 4000A
The VS1-12/4000-275 vacuum circuit breaker is a high-performance medium-voltage switchgear component, engineered for demanding industrial and distribution applications requiring reliability, efficiency, and superior safety. This model is designed with a draw-out, making installation and maintenance easy and convenient, and it fits a variety of switchgear configurations.
Key Specifications:
- Rated Voltage: 12kV
- Rated Current: 4000A
- Pole Center Distance: 275mm
- Breaking Capacity: 40kA
- Operating Mechanism: VS1 spring-operated mechanism
- Structure Type: Draw-out design
- Insulation Structure: Encased in an insulated cylinder to enhance dielectric strength and protection
Product Highlights:
- Superior Breaking Performance: Employs advanced vacuum interrupter technology to achieve safe, reliable arc extinction, ensuring secure electrical circuit protection even in challenging conditions.
- Ease of Maintenance: The draw-out structure allows quick and straightforward access for maintenance or replacement, reducing downtime and associated costs.
- Smooth and Stable Operation: The VS1 spring-operated mechanism provides precise, responsive switching performance, designed to meet the highest industry standards.
- Enhanced Insulation Properties: The use of an insulated cylinder design improves overall dielectric strength, providing robust isolation and reducing the risk of breakdowns due to environmental factors.
- High Adaptability: Versatile for a wide range of industrial applications, including power distribution, manufacturing facilities, mining operations, and large infrastructure projects where high current and strong short-circuit breaking capacity are essential.
Applying Ambient Conditions:
1. Ambient temperature: -10℃–+40℃
2. Ambient humidity: the average humidity of a day should be no more than 95%; the average humidity of a month should be no more than 90%;
3. Earthquake intensity: not exceed 8 degrees
4. Saturated vapor pressure: average pressure of a day should be no more than2.2kPa, the average pressure of a month should be no more than 1.8kPa;
5. The height above sea level: less than 1000m;(not including special requirements)
6. It should be installed in the places without fire, explosion, serious filth, chemical corrosion and violent vibration. -
VS1-12/4000 Trolley Type Vacuum Circuit Breaker Insulation Cylinder High Current 4000A
No.ItemUnitData1Rated voltagekV122Rated frequencyHz503Rated insulation level1 min power frequency withstand voltagekV42Rated lightning impulse withstand voltagekV754Rated currentA630/1000/1250/1600/2000/2500/3150/40005Rated short circuit breaking currentRated short-time withstand current (virtual value)
kA20/25/31.5/40/506Rated short circuit making currentDynamic stability rated currentkA50/63/80/100/1257Rated short-circuit breaking current breaking timeTimes(above 40kA)8Rated short-circuit durationS49Rated operation sequenceO-0. 3s-CO-180s-CO,O-180s-CO-180s-CO(above 40kA)10Mechanical lifeTimes3000011Rated breaking current of single capacitor bankA63012Rated breaking current of back to back capacitor bankA40013Maximum D.C componen50%Dimensions reference