ZN63 (VS1)-12 is a 12kV indoor high voltage vacuum circuit breaker for industrial and mining enterprises, power plants and substations. It is designed for frequent operation, stable performance and easy installation, especially suitable for control and protection of high voltage power systems. It complies with several standards, such as IEC 62271-100 and GB 1984, and is able to operate within a temperature range of -40°C to +40°C, with a relative humidity of up to 95%, and is suitable for environments with an altitude of up to 1000 meters above sea level.
◆ Technical Parameters
◆ Technical Parameters
1.1 技術パラメーター
項目 | 単位 | 参考値 |
定格電圧 | キロボルト | 12 |
Power frequency voltage(when losing a circuit) | キロボルト | Breaker 42 |
Rated insulation level Impulse withstand voltag(when losing a circuit) | キロボルト | Breaker 75 |
定格周波数 | ヘルツ | 50/60 |
定格電流 | A | 630/1250/1600/2000/2500/3150/4000 |
定格短絡破壊電流 | kA | 20,25,31.5,40 |
定格短絡電流(ピーク値 | kA | 50,63.80,100 |
定格短時間耐電流 | kA | 20,25,31.5,40 |
定格耐電流(ピーク値) | kA | 506,380,100 |
必要な操作順序 | 0-0.3s-CO-180s-CO | |
定格短絡時間 | S | 4 |
定格短絡電流でのメイク-ブレーク時間 | タイムズ | 30 |
機械的寿命 | タイムズ | 10000 |
重量 | kg | 110 |
1.2 機械的パラメーター
item | 単位 | Reference value |
コンタクトのギャップ | mm | 11±1 |
Contact overtrave | mm | 3.5±0.5 |
平均製造速度 | mvs | 0.6±0.2 |
平均破断速度 | m/s | 1.1±0.2 |
コンタクト時のバウンスタイム | ms | ≤2 |
非同期的なコンタクトの開始/切断 | ms | ≤2≤3(40kA |
各相回路の抵抗値 | μ Q | ≤80 |
可動/固定接点の許容総磨耗厚さ | mm | 3 |
◆ Overall And Installation Dimension
Overall dimension of VS1-12(wheeled)indoor high-voltage alternating-current vacuum circuit breaker(cabinet width:800mm)

Overall dimension of VS1-12(fixed)indoor high-voltage alternating-current vacuum circuit breaker(cabinet width:800mm)
