10kV 12kV Permanent Magnetic Circuit Breaker Switch Three Phase For Smart Grid
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
T+30
Brand:
Dong Sheng Yuan
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
Similar Products
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Shenzhen Dong Sheng Yuan Electrical Equipment Co., Ltd.
Location
1B601, Lefu Plaza, No. 481 Guangming Avenue, Dongkeng Community, Fenghuang Street, Guangming District, Shenzhen
Contact Person
Leo