ZW20-12F(M) Outdoor High Voltage Intelligent (Permanent Magnet)
Vacuum Circuit Breaker Overview
ZW20-12F(M) outdoor high-voltage intelligent vacuum circuit breaker is rated at 12kV, suitable for three-phase AC 50/60Hz power systems. It is mainly used for opening/closing load current, overload current, and short-circuit current in outdoor distribution networks. This circuit breaker is widely used in substations, industrial and mining enterprises, rural power grids, especially in urban and rural power distribution systems with automation requirements. Featuring smart control and communication interfaces, it can work with distribution automation systems. Its compact design and advanced vacuum arc-extinguishing chamber ensure reliable and maintenance-free operation.
Product Features
- Compact and modular design
- Integrated insulation housing with excellent sealing and anti-corrosion performance
- Simple and efficient transmission structure
- Compatible with isolating switch structures for enhanced operation flexibility
- Suitable for automation systems with remote control and monitoring
- Maintenance-free vacuum interrupter chamber
- Optional external voltage transformer and isolating switch
Operating Conditions
- Ambient temperature: -25°C to +40°C; daily average not exceeding 35°C
- Altitude: ≤2000 meters
- Relative humidity: daily ≤95%, monthly ≤90%
- Water vapor pressure: daily ≤2.2kPa, monthly ≤1.8kPa
- Surrounding environment: no flammable/explosive gas, no severe pollution
- Capable of operating under moderate icing or snow conditions
- Applicable to pollution degree ≤ level IV
- Withstand voltage under lightning conditions not exceeding 1.6kV
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