- Contact Person : Mr. Chen Jack
- Company Name : Zhejiang Haigui Import Export Co., Ltd.
- Tel : 0086-577-62898852
- Fax : 0086-577-62898853
- Address : Zhejiang,Wenzhou,Changcheng High-Tech Industrial Zone, North Baixiang, Yueqing, Zhejiang, China.
- Country/Region : China
- Zip : 325603
ZW32M-12 Vacuum circuit breaker
ZW32M-12 Series Outdoor Permanent Magnet-Type Vacuum Circuit Breaker
ZW32M-12 series outdoor permanent magnet-type vacuum circuit breaker is composite by ZW32-12 Series Outdoor circuit breakers and CH-1 series line protection controller, after to increase the PT power composed outdoor intelligent switch system and recloser . The intelligent system can achieve three reclosing, overload protection, three-stage over-current protection, automatic fault isolation section, improve system reliability in order to achieve distribution network automation.
The use of environmental conditions:
1. Altitude: ≤2000m.
2. Air temperature: -40°C ~ +50°C
3. Relative humidity: ≤95%
4. Maximum wind speed
5. No fire, explosion hazard, serious filthy, chemical corrosion, as well as places of intense vibration.
Mainly Technical parameters
No | Item | Unit | Parameters | |||
12kV | 24vK | |||||
1 | Rated frequency | Hz | 50/60 | |||
2 | Rated voltage | kV | 12kV | 24kV | ||
3 | Rated insulation level | 1min power frequency withstand voltage dry wet | Dry | kV | 42 | 65 |
Wet | 34 | 50 | ||||
Rated lightning impulse withstand voltage | 75 | 125 | ||||
Current data | ||||||
1 | Rated current | A | 630 | 630 | ||
2 | Loop resistance with limited on rated contact pressure | µΩ | ≤80 | ≤80 | ||
3 | Rated short-circuit breaking current | kA | 20 | 20 | ||
4 | Rated short-time withstand current | kA | 20 | 20 | ||
5 | Rated short-circuit duration | S | 4 | 4 | ||
6 | Rated peak withstand current | kA | 50 | 50 | ||
7 | Rated short-circuit closed current | kA | 50 | 50 | ||
8 | Rated operating sequence |
| O-0.3s-CO-180s-CO |
ZW32M-12 Vacuum circuit breaker