| Breaking Capacity: | High Voltage Circuit Breakers |
|---|---|
| Operation: | Electric Type |
| Speed: | Normal Type Circuit Breaker |
| Arc-extinguishing Medium: | Air |
| Installation: | Fixed |
| Structure: | ACB |
| Samples: |
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier Introducing the incredible ZW37-40.5 type vacuum circuit breaker! This outdoor high voltage switch equipment is an absolute game-changer. With a rated voltage of 40.5 kV and tri-phase AC 50 Hz, it's designed to handle all your electric power system needs.
This powerhouse is perfect for opening and closing load currents, overload currents, and short circuit currents. Whether you're in a substation, industrial or mining enterprise, or even in an urban or rural area, this vacuum circuit breaker has got you covered. It's especially ideal for sites that require frequent operation and city network automation distribution network.
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So why wait? Upgrade your electric protection and control with this remarkable vacuum circuit breaker. Don't settle for anything less than the best. Get your hands on the ZW37-40.5 type vacuum circuit breaker today and witness the difference it can make in your power system.
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) | ||
Suppliers with verified business licenses
Audited Supplier 
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