10kV 12kV Outdoor Circuit Breaker Three Phase High Voltage Circuit Breaker For MV Switchgear
Price:
$1000-$2000
MOQ:
1 pc
Delivery Time:
15 days
Brand:
MacweyTEK
Product Description
10kV 12kV Outdoor High Voltage Three-Phase Permanent Magnet Vacuum Circuit Breaker for MV Switchgear
Product Overview
The AB-3S-12 series outdoor high-voltage three-phase permanent magnet vacuum circuit breaker represents the latest generation of intelligent vacuum circuit breakers, incorporating advanced domestic and international technologies. This product serves as a switch for 10kV side applications and 10kV outlets of 35kV substation main transformers, and can also function as a pole switch in distribution networks.
Designed for easy control and protection, it seamlessly integrates with various control units produced by our company. With star survey and communication capabilities, it is the preferred equipment for achieving distribution network automation and miniaturization.
Operating Environmental Conditions
- Working environment temperature: Maximum 40℃; Daily average not exceeding 35℃; Minimum ambient air temperature -25℃
- Air relative humidity: Daily average ≤ 95%, monthly average ≤ 90%; Daily water vapor pressure ≤ 2.2kPa, monthly ≤ 1.8kPa
- Altitude: ≤ 2000m
- Environment free from significant pollution by dust, smoke, corrosive/flammable gases, steam, or salt spray
- Negligible vibration or ground motion from external sources
- Secondary system electromagnetic interference amplitude ≤ 1.6kV
Main Technical Parameters
| Project | Unit | Parameter | |
|---|---|---|---|
| Rated voltage | kV | 12 | |
| Rated insulation level | 1min power frequency withstand voltage (effective value) | kV | 42 |
| Lightning impulse withstand voltage (peak value) | kV | 75 | |
| Rated frequency | Hz | 50 | |
| Rated current | A | 630/1250 | |
| Rated short-circuit breaking current | kA | 20 | |
| Rated short-circuit making current (peak value) | kA | 50 | |
| Rated operating sequence | Ot1(0.3s)-COt2(3s)-COt2(3s)-CO | ||
| Thermally stable current (4S) | kA | 20 | |
| Dynamic stable current (Peak value) | kA | 50 | |
| Breaking times of rated short-circuit current | Times | 30 |
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Ningbo Macwey Industrial Technology Co.,Ltd
Location
No.218, Weier Road, Chongshou Industrial Park, Cixi City (Ningbo), China
Contact Person
Alec Sung