易卖工控网(www.ymgk.com)提供”ZW8-12/630-25真空断路器”,产品详情:品牌/厂家:西安华仪、型号:ZW8-12/630-25、成色:全新、货期:期货 1天内发货、保修:365天,更多产品详情就上易卖工控网。
主要用途 Mostly purpose
ZW8-12/□型户外高压真空断路器用于交流50Hz、电压10?12kV的三相电力系统,作为分断、关合负荷电流之用,它具有过载及短路保护功能,可根据用户需要配装浪涌电流延时保护器和加装避雷器或隔离开关即断路器与隔离开关组合等。
ZW8-12/□Series Outdoor HV Vacuum Automatic Circuit Reclosers, are used for switching on/off load current, overload current and short circuit current in three-phase power systems with AC 50HZ and rated voltage 10~12kV. Matching with recloser controllers, the breaker can identify current characteristics and realize repetitious autoeclosing or permanent fault isolation. With its own PT power.
使用环境条件 Use Circumstance Condition
1、环境温度:+40℃~-40℃;
2、海拔高度:≤2000m (若海拔增高,则额定绝缘水平相应提高);
3、风压:≤700Pa(相当于风速34m/s);
4、地震烈度:≤Ⅷ;
5、污秽等级:IV;
6、***日温差:≤25℃。
1. Ambient temperature: +40℃ ~-40℃;
2. Altitude: ≤2000m(If the place is at higher altitude, enhance rated insulation level);
3. Wind pressure: ^700Pa (Equivalent to wind speed 34m/s);
4. Earth quake intensity: ≤Ⅷ;
5. Pollution class: IV;
6. Maximum day temperature difference: ≤25℃。
主要技术参数 Technic Parameter
项目Item | 单位Unit | 参 数Parameter |
额定电压Rated voltage | KV | 12 |
额定绝缘水平 Rated insulation level | 1 min工频耐压 Power frequency Withstand voltage | 干式Dry | 42 |
湿式 Wet | 34 |
雷电冲击耐压(峰值) Lightning impulse with stand voltage (peak value) | 75 |
额定电流Rated current | A | 630;400;200 |
额定短路开断电流 Rated short circuit breaking current | KA | 20;16;12.5 |
额定操作顺序 Rated operating sequence | | O-0.3s-CO-180s-CO |
额定短路开断次数 Breaking current frequency under rated short circuit | 次Times | 30 |
额定短路关合电流(峰值)Rated short curient switching current (Peak value) | KA | 50 |
额定峰值耐受电流 Rated peak value withstand current | KA |
额定短时耐受电流 Rated short time withstand current | KA | 20; 16; 12.5 |
额定短路持续电流时间Rated short circuit duration time | s | 4 |
易卖工控网供应商西安华仪为您提供ZW8-12/630-25真空断路器的详细产品价格、产品图片等产品介绍信息,您可以直接联系商家获取ZW8-12/630-25真空断路器的具体资料,联系时请说明是在易卖工控网看到的。