| Breaking Capacity: | High Voltage Circuit Breakers |
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| Speed: | Normal Type Circuit Breaker |
| Arc-extinguishing Medium: | Air |
| Installation: | Fixed |
| Structure: | ACB |
| Poles Number: | 3 |
| Samples: |
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| Customization: |
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Audited Supplier Introducing the 12kv Outdoor M. V. Vacuum Circuit Breaker (ZW43) on Pole - the ultimate solution for all your circuit-breaking needs! This high-voltage vacuum circuit breaker is the perfect combination of power and efficiency, making it the ideal choice for outdoor use.
With its miniaturized design and tri-phase AC 50Hz, this breaker is capable of handling even the toughest loads with ease. Its rated voltage of 12kV ensures that it can handle high voltage applications with ease, while its ability to break and make load current makes it a versatile choice for a wide range of applications.
Whether you're looking for an outdoor vacuum circuit breaker or a 12kv vacuum circuit breaker, the ZW43-12(G) series has got you covered. Its rugged construction and reliable performance make it the perfect choice for use in a variety of industries, including power generation, transmission, and distribution.
| Item | Unit | ZW43-12(G)/630-16 | ZW43-12(G)/630-20 | |
| Rated voltage | kV | 12 | ||
| Rated current | A | 630 | ||
| Rated short-circuit breaking current | kA | 16 | 20 | |
| Rated short circuit making current (peak) | kA | 40 | 50 | |
| Rated peak withstand current | kA | 40 | 50 | |
| Rated short time withstand current | kA | 16 | 20 | |
| Rated short circuit duration | s | 4 | ||
| Rated insulation level | lighting impulse withstand voltage (peak) | kV | phase to phase, to earth 75; fracture 85 | |
| 1 min P.F. withstand voltage | kV | phase to phase, to earth 42;fracture 48 | ||
| Rated operating sequence | O-0.3s-CO-180-CO (electrical mechanism) | |||
| Rated short circuit current breaking times | time | 30 | ||
| Mechanical life time | time | 10000 | ||
| Rated operation voltage (O/C coil) | V | DC220,110; AC220 | ||
| Allowable attrition thickness of moving and fixed contact | mm | 3 | ||
| Rated current of over current release | A | 5 | ||
| Current ratio of current transformer | 200/5 400/5 630/5 | |||
| Contact opening distance | mm | 9±1 | ||
| Contact over travel | mm | 2+1(-0.5) | ||
| Average opening speed | m/s | 1.2±0.2 | ||
| Average closing speed | m/s | 0.6±0.2 | ||
| Opening time | ms | 15~50 | ||
| Closing time | ms | 25~80 | ||
| Closing bounce time | ms | ≤2 | ||
| Tri-phase O/C synchronous | ms | ≤2 | ||
| Each phase circuit DC resistance | μΩ | ≤80 | ||
| Energy-stored motor | Rated voltage | V | DC/AC 220 | |
| Rated power | W | 70 | ||
| Energy-stored time | S | ≤8 | ||
| Weight | Kg | 90 | ||
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