50Hz MV Circuit Breaker Pole Mounted SF6 Gas Circuit Breakers Outdoor
Price:
$1000-$2000
MOQ:
1 pc
Delivery Time:
15 days
Brand:
MacweyTEK
Product Description
12kV 630A Outdoor Pole-Mounted SF6 Circuit Breaker
The 12kV outdoor pole-mounted SF6 circuit breaker is a new generation product developed to meet the primary and secondary integration requirements of the national grid. This switch features a compact structure, rational layout, and comprehensive functionality, with all indicators meeting State Grid integration standards.
Equipped with unified parameter protection CT, zero sequence CT, and zero sequence voltage sensors, this breaker offers wide measurement range, high accuracy, and exceptional reliability. The complete analog system enables precise detection of various line faults.
Operating Environmental Conditions
- Ambient air temperature: -40℃ to +40℃
- Altitude: ≤3000m
- Pollution level: Grade IV (tolerant of dust, smoke, corrosive gases, steam, or salt mist)
- Maximum wind speed: 34m/s (equivalent to 700Pa surface pressure)
- Minimal external vibration or ground motion
- Secondary system electromagnetic interference ≤1.10kV
Main Technical Parameters
Electrical Technical Parameters
| Project | Unit | Parameter |
|---|---|---|
| Rated voltage | kV | 12 |
| Rated frequency | Hz | 50 |
| Rated current | A | 630 |
| Rated short-time withstand current | kA | 20 |
| Rated short-time withstand current passing time | S | 4 |
| Rated short-time withstand current (peak value) | kA | 50 |
| Rated short-circuit making current (peak value) | kA | 50 |
| Rated cable charging current | A | 25 |
| Rated short-circuit breaking current | kA | 20 |
| Rated operating sequence | Points-0.3s-he points-180s-he points | |
| Rated working pressure (gauge pressure at 20℃) | Mpa | 0.35 |
| Minimum functional pressure (gauge pressure at 20℃) | Mpa | 0.25 |
| Project | Unit | Parameter |
|---|---|---|
| Rated power frequency withstand voltage (1 minute) | kV | 42 (alternately and relatively) 48 (insulation break) |
| Rated lightning impulse withstand voltage (BIL) | kV | 75 (alternately and relatively) 85 (insulation break) |
| Rated mechanical stability | 10,000 times (E2 level) | |
| Annual leakage rate of SF6 gas | ≤0.5% | |
| Rated closing/opening operating voltage | V | DC24V |
| Total weight | kg | 175 |
| Dimensions (L×W×H) | mm | 1015×950×580 |
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Get in Touch
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Company
Ningbo Macwey Industrial Technology Co.,Ltd
Location
No.218, Weier Road, Chongshou Industrial Park, Cixi City (Ningbo), China
Contact Person
Alec Sung