Description
Description of ZW32-12M Series Outdoor High-voltage Permanent Magnet Vacuum Circuit Breaker
The ZW32-12M Series Outdoor High-voltage Permanent Magnet Vacuum Circuit Breaker is a high-performance outdoor power distribution device specifically developed for three-phase AC 50Hz power systems, with a rated voltage of 12KV. Different from traditional vacuum circuit breakers, it adopts an advanced permanent magnet operating mechanism, which fundamentally optimizes the operational stability and service life of the product, making it a core component for safe and efficient operation of outdoor power distribution networks.
As a key protection and control device in outdoor power systems, its core function is to reliably open and close load currents, overload currents, and short-circuit currents in power grids. It can quickly respond to abnormal current changes in the system, cut off faulty circuits in time, effectively avoid damage to power equipment and large-scale power outages, and ensure the integrity of the power distribution network and the continuity of power supply.
Designed exclusively for outdoor working environments, the product integrates excellent weather resistance and environmental adaptability. It can maintain stable operational performance under harsh conditions such as extreme temperature changes (-40℃ to +70℃), high humidity, heavy dust, strong UV radiation, and salt spray corrosion, solving the pain points of poor stability of ordinary circuit breakers in outdoor complex environments.
Based on the basic functions of traditional outdoor circuit breakers, the ZW32-12M series has been upgraded in terms of structure and performance. It combines the advantages of a permanent magnet mechanism and vacuum arc-extinguishing technology, with the characteristics of compact structure, low energy consumption, and easy operation, and is widely used in various outdoor power distribution scenarios, providing users with safe, reliabl,e and cost-effective power protection solutions.
Parameter of ZW32-12M Series Outdoor High-voltage Permanent Magnet Vacuum Circuit Breaker
| order number | project | unit | parameter |
| 1 | rated voltage | kV | 12 |
| 2 | rated frequency | Hz | 50 |
| 3 | rated current | A | 630 |
| 4 | rated short-circuit breaking current | kA | 20 |
| 5 | rated peak current (peak) | kA | 50 |
| 6 | rated short-time current | kA | 20 |
| 7 | rated short-circuit closing current (peak) | kA | 50 |
| 8 | mechanical life | Next | 10000 |
| 9 | rated short-circuit breaking current, breaking times | Next | 30 |
| 10 | Power frequency withstand voltage (1 min): Same for wet and dry conditions, to ground/short circuit | kV | 42/48 |
| 11 | Interphase, ground/short circuit lightning impulse withstand voltage (peak) | kV | 75/85 |
| 12 | Secondary circuit withstands power frequency voltage for 1 minute | kV | 2 |
Feature of ZW32-12M Series Outdoor High-voltage Permanent Magnet Vacuum Circuit Breaker
- Advanced Permanent Magnet Operating Mechanism: Replaces traditional spring mechanisms, eliminating mechanical wear and fatigue, ensuring stable operation, fast response, and long service life even under harsh conditions.
- Efficient Vacuum Arc-extinguishing: Equipped with high-quality vacuum interrupters, it achieves fast arc extinction without pollution, strong breaking capacity, and avoids equipment damage caused by electric arcs.
- Superior Outdoor Adaptability: High-strength anti-corrosion shell with IP65 protection level, resistant to extreme temperatures, humidity, UV radiation, and salt spray, adapting to various outdoor harsh environments.
- Flexible Application: Suitable for multiple scenarios such as power substations, rural power grids, and new energy plants, serving as both protection equipment and a sectional switch to meet diverse user needs.
- Intelligent Compatibility: Easy integration with distribution network automation systems after simple debugging, supporting remote operation and fault handling, and reducing manual maintenance costs.
- Easy Installation & Low Maintenance: Compact structure, small size, and light weight for convenient on-site installation and transportation; permanent magnet mechanism requires no regular maintenance, lowering operational costs.
- Standard Compliance: Manufactured in strict accordance with GB/T 1984-2014 and GB/T 11022-2021 standards, ensuring stable quality and good compatibility with other power equipment.
