| Certification: | CCC, ISO9001 |
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| Shell Material: | Stainless Steel |
| Voltage Level: | Medium Voltage |
| Installation: | Fixed |
| Structure: | Withdrawable |
| Current: | AC |
| Samples: |
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| Customization: |
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Audited Supplier Introducing the incredible 40.5kv Pole-mounted Medium Voltage Vacuum Circuit Breaker! Get ready to experience the power and efficiency of this outdoor vacuum circuit breaker that will revolutionize your electrical systems. With its cutting-edge technology and unbeatable performance, this Vcb on Pole is the ultimate solution for all your high voltage switch equipment needs.
The ZW37-40.5 type vacuum circuit breaker is designed to handle the toughest challenges with ease. With a rated voltage of 40.5 kV and a tri-phase AC 50 Hz capability, this circuit breaker is built to withstand the harshest conditions and deliver exceptional results. Whether you need to open or close electric power system load current, this powerhouse will get the job done efficiently and effectively.
But what sets this vacuum circuit breaker apart from the rest? Its outdoor capabilities make it the perfect choice for any environment. Rain or shine, this circuit breaker will continue to perform at its peak, ensuring uninterrupted power supply and maximum safety. Say goodbye to worries about weather conditions affecting your electrical systems!
Don't miss out on the opportunity to upgrade your electrical systems with the best in the industry. Choose the 40.5kv Pole-mounted Medium Voltage Vacuum Circuit Breaker and experience the excitement and spirit of cutting-edge technology. Trust in its power, reliability, and efficiency to take your electrical systems to new heights. Get yours today and witness the difference it can make!
1) Altitude above sea level not exceeding 1000m
2) Air pollution degree: IV
3) Environmental ambient temperature:-35ºC~+40ºC
4) Ice covering thickness: 20mm
5) Monthly average relative humidity not exceeding 90%
Daily average relative humidity not exceeding 95%
6) Wind speed not exceeding 34m/s
7) Installation site: without flammable, explosive, or corrosive material and frequent violent vibration.
8) Earthquake intensity not exceeding 8 degree
| Item | Unit | Data | ||
| Rated voltage | kV | 40.5 | ||
| Rated insulation level Lightning impulse withstand voltage | kV | 185 | ||
| Rated insulation level 1min P.F.withstand voltage | kV | 95 | ||
| Rated current | A | 630, 1250, 1600, 2000 | ||
| Rated short-circuit breaking current | kA | 20 | 25 | 31.5 |
| Rated short circuit making current (peak) | kA | 50 | 63 | 80 |
| Rated short time withstand current | kA | 20 | 25 | 31.5 |
| Rated peak withstand current | kA | 50 | 63 | 80 |
| Rated short circuit duration | s | 4 | ||
| Rated operating sequence | O-0.3s-CO-180s-CO | |||
| Rated short-circuit current breaking times | time | 20 | ||
| Mechanical life time | time | 10000 | ||
| Rated operation voltage | V | 220(DC, AC) | ||
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Audited Supplier 
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