Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.
ZW8-12 Outdoor 12kV MV Vacuum Circuit Breaker 630A: Permanent magnet mechanism, epoxy resin solid insulation, 10000 mechanical life, maintenance-free, 20/25/31.5kA breaking current, small size, light weight, pollution-free, 10kV urban grid, -40°C to +40°C.
| ZW8-12 Outdoor 12kV MV Vacuum Circuit Breaker Specifications | Parameter | Unit |
|---|---|---|
| Brand | Bepto Insulation Systems | – |
| Model Number | ZW8-12 | – |
| Category | Switchgear & High Voltage VCB | – |
| Product Type | Outdoor 12kV MV Vacuum Circuit Breaker (630A Permanent Magnet Mechanism) with Epoxy Resin Solid Insulation and 10000 Mechanical Life for 10kV Urban Grid Load/Short-Circuit Current | – |
| Core Technology | Three-Phase AC 50/60Hz + 10kV Urban Grid Load/Overload/Short-Circuit Current Breaking/Closing + World’s Latest Permanent Magnet Mechanism + Epoxy Resin Integral Casting Solid Insulation Technology + Advanced Vacuum Breaking Technology + Long Electrical Life + Reliable Breaking + Long-Term Complete Maintenance-Free + Small Size + Light Weight + Convenient Operation + Reliable Performance + Pollution-Free + Maintenance-Free | – |
| Rated Voltage | 12 | kV |
| Rated Current | 630 (1250) | A |
| Rated Short Circuit Breaking Current | 20/25/31.5 | kA |
| Rated Short Circuit Making Current | 16/31.5/50 | kA |
| Rated Peak Withstand Current | 16/31.5/50 | kA |
| 4S Rated Withstand Current | 6.3/12.5/20 | kA |
| Rated Insulation Level – Frequency Withstand Voltage | 42 | kV |
| Rated Insulation Level – Impulse Withstand Voltage | 75 | kV |
| Rated Operating Sequence | O-0.3s-CO-180s-CO | – |
| Mechanical Life | 10000 | Times |
| Rated Short Circuit Current Breaking Times | 30 | Times |
| Rated Close Brake Voltage of Operating Machine | AC/DC 110, 220 | V |
| Rated Break Brake Voltage of Operating Machine | AC/DC 110, 220 | V |
| Contact Stroke | 11±1 | mm |
| Exceed Range (Compress Length of Contact Spring) | 3.5±0.5 | mm |
| Different Period of Three-Phase Break and Close Brake | ≤2 | ms |
| Jump Time of Contact Close Brake | ≤2 | ms |
| Average Break Speed | 0.9~1.5 | m/s |
| Average Closing Speed | 0.4~0.8 | m/s |
| Closing Time | 0.1 | s |
| Contacts Limit | 3 | mm |
| Frequency | 50/60 | Hz |
| Phases | Three-Phase | – |
| Installation Type | Outdoor | – |
| 10kV Urban Grid | Yes (Mainly Used for Breaking and Closing 10kV Urban Grid Load Current, Overload Current and Short-Circuit Current) | – |
| Load Current Breaking/Closing | Yes (Load Current Breaking and Closing) | – |
| Overload Current Breaking/Closing | Yes (Overload Current Breaking and Closing) | – |
| Short-Circuit Current Breaking/Closing | Yes (Short-Circuit Current Breaking and Closing) | – |
| Permanent Magnet Mechanism | Yes (World’s Latest Permanent Magnet Mechanism) | – |
| Epoxy Resin Integral Casting Solid Insulation | Yes (Epoxy Resin Integral Casting Solid Insulation Technology) | – |
| Vacuum Breaking Technology | Yes (Advanced Vacuum Breaking Technology) | – |
| Long Electrical Life | Yes (Long Electrical Life) | – |
| Reliable Breaking | Yes (Reliable Breaking) | – |
| Long-Term Complete Maintenance-Free | Yes (Long-Term Complete Maintenance-Free Features) | – |
| Small Size | Yes (Small Size) | – |
| Light Weight | Yes (Light Weight) | – |
| Convenient Operation | Yes (Convenient Operation) | – |
| Reliable Performance | Yes (Reliable Performance) | – |
| Pollution-Free | Yes (Pollution-Free) | – |
| Maintenance-Free | Yes (Maintenance-Free) | – |
| Ambient Temperature | -40°C to +40°C | °C |
| Altitude | ≤2000m | m |
| Relative Humidity Daily Average | ≤95% | % |
| Relative Humidity Monthly Average | ≤90% | % |
| Saturated Vapor Pressure Daily Average | ≤2.2×10³MPa | MPa |
| Saturated Vapor Pressure Monthly Average | ≤1.8×10³MPa | MPa |
| Earthquake Intensity | ≤8 Degrees | ° |
| Installation Location | No Fire, Explosion Hazard, Serious Filthy, Chemical Corrosion, Intense Vibration | – |
| FOB Port | Ningbo/Shanghai | – |
| Terms of Payment | Western Union, T/T, Paypal | – |
| Key Advantages | Permanent Magnet Mechanism, Epoxy Resin Solid Insulation, 10000 Mechanical Life, 20/25/31.5kA Breaking Current, 30 Times Short Circuit Breaking, Maintenance-Free, Small Size, Light Weight, Pollution-Free, Convenient Operation, Reliable Performance, -40°C to +40°C, Altitude ≤2000m | – |
| Primary Applications | 12kV/630A Three-Phase AC 50/60Hz, 10kV Urban Grid Load/Overload/Short-Circuit Current Breaking/Closing, Outdoor Installation, No Fire/Explosion/Corrosion/Vibration, Maintenance-Free Operation | – |
Bepto is a leading Chinese company in electrical insulation, focused on developing advanced solutions for future power systems. We support transmission and distribution safety and growth, with long-term partners including State Grid, ABB, Schneider, Siemens, and GE. Our services reach clients in over 22 countries.
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Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.
