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10kV 12kV Permanent Magnetic Circuit Breaker Switch Three Phase For Smart Grid
Product Details:
| Place of Origin: | Zhuhai, China |
| Brand Name: | Dong Sheng Yuan |
| Model Number: | 10kV permanent magnet circuit breaker switch |
Payment & Shipping Terms:
| Delivery Time: | T+30 |
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| Payment Terms: | TT |
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Detail Information |
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| Rated Voltage: | 12kV | Rated Frequency: | 50Hz |
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| Ambient Temperature Range: | -40°C To +70°C | Protection Functions: | Overload/Short Circuit/Ground Fault |
| Arc Extinguishing Method: | Vacuum Circuit Breaker | ||
| Highlight: | 12kV Permanent Magnetic Circuit Breaker,10kV Permanent Magnet Circuit Breaker,Three Phase Magnetic Circuit Breaker |
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Product Description
10kV Permanent Magnet Circuit Breaker Switch
Product Overview
The outdoor high-voltage fast permanent magnet vacuum circuit breaker is a three-phase AC 50Hz distribution vacuum circuit breaker with a rated voltage of 12kV. Designed for smart grid applications, it serves as an advanced solution for outdoor column installations.
Key Applications
- Switching loads of different properties with frequent operation capability
- Multiple short-circuit current interruption capacity
- 10kV side outgoing line of substation main transformers
- Distribution network column switches
- Preferred equipment for intelligent, automated, and compact distribution networks
Technical Parameters
| Item | Unit | Parameter |
|---|---|---|
| Rated voltage | kV | 12 |
| Rated current | A | 630/1250 |
| Rated frequency | Hz | 50 |
| Rated lightning impulse withstand voltage (peak) | kV | Ground 75/Fracture 85 |
| Rated short-time power frequency withstand voltage (1min) | kV | Wet test 34/Dry test 42/Fracture 48 |
| Rated short-circuit breaking current | kA | 25 |
| Rated short-circuit breaking current times | Times | 30 |
| Rated short-time withstand current | kA | 25 |
| Rated short circuit duration | s | 4 |
| Rated peak withstand current | kA | 50 |
| Rated short-circuit making current | kA | 50 |
| Power frequency withstand voltage of secondary circuit (1min) | kV | 2 |
| Rated operating sequence | O-0.3s-CO-180S-CO | |
| Mechanical life | Times | 30000 |
Operating Conditions
- Ambient temperature range: -40°C to +70°C
- Relative humidity: Daily average ≤95%, Monthly average ≤90%
- Altitude: <2000m
- Wind pressure: ≤700Pa (equivalent to 34m/s wind speed)
- Pollution level: Class V (specific creepage distance ≥31mm/kV)
- Icing thickness: ≤10mm
- Seismic intensity: ≤8 degrees
- Installation site requirements: Free from fire hazards, explosions, severe pollution, chemical corrosion, or violent vibration
Main Functions
- Protection: Three-stage voltage blocking directional overcurrent protection, inverse time overcurrent protection, zero sequence protection, acceleration protection, overload protection, low-frequency load shedding, low-voltage splitting, and three-phase triple reclosing
- Measurement: Three-phase voltage, current, power factor, frequency monitoring
- Control: Configurable automatic reclosing, local control, and remote control
- Communication: Standard RS232, RS485, or Ethernet interfaces supporting multiple communication modes including fiber optic, distribution network carrier, wireless, and twisted pair
- Additional Features: Local display, parameter setting, fault recording, and alarm functions
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