Компания BOV может производить и поставить вакуумные камеры с 12кВ до 126кВ. Продукты широко и успешно применяются в вакуумных выключателях,в выключателях нагрузки,в переключателях электрификации железных дорог и в контакторах.
主要技术参数（断路器用）MAIN TECHNICA DATA（FOR CIRCUIT BREAKER） |
|
额定电压 Rated voltage |
126KV |
额定电流 Rated current |
4000,3150A |
额定频率 Rated frequency |
50/60HZ |
额定短路开断电流 Rated short-circuit breaking current |
40kA |
额定短路开断电流开断次数Operations of short-circuit breaking current interruption |
30次 |
额定电流开断次数 Operations of rated current interruption |
10,000次 |
最大直流分量 Max.DC-component |
40% |
额定短路关合电流 Rated short-circuit making current |
100KA |
额定峰值耐受电流 Rated peak withstand current |
100KA |
额定短时耐受电流(4秒) Rated short-time withstand current(4s) |
40KA |
短时(1min)工频耐受电压 Short-time(1min) power-frequency withstand voltage |
*230KV |
雷电冲击耐受电压(峰值) Lightning impulse withstand voltage(peak) |
*550KV |
额定触头压力下限时的回路电阻 Circuit resistance at minimum added force |
≤15μΩ |
机械寿命 Mechanical life |
10000次 |
触头自闭力 Closing force due to bellows and atmosphere |
600±80N |
额定开距下的触头反力 Force required to hold contacts open at full stroke |
1000±80N |
触头允许磨损厚度 Contact erosion limit |
3mm |
贮存期 Shelf life |
20年 |
质量/动触头质量 Total mass of interrupter/Moving mass of interrupter |
61kg/16.8kg |
额定操作顺序 Rated operating sequence |
O-0.3s-CO-180s-CO |
配套真空开关的机械参数(建议值)MECHANICAL DATA OF CIRCUIT-BREAKING RECOMMENDATIONS WITH THE INTERRUPTERS |
|
触头开距 Rated contact stroke |
45±1mm |
触头接触行程 Contact connection stroke |
8±2mm |
平均分闸速度（0-30mm行程） Average opening speed（0-30mm stroke） |
3.5±0.2m/s |
平均合闸速度（30mm-触头闭合） Average closing speed（30mm-contact making） |
1.3±0.2m/s |
触头初压力 Added external contact force at contact touch point |
≥3300N |
额定触头压力 Added force on closed contacts |
4800±200N |
触头合闸弹跳时间 Max.bouncing duration |
≤5ms |
触头分合闸不同期 Out of simultaneity of contact closing and opening |
≤2ms |
分闸触头反弹幅值 Max. rebound distance |
≤2mm |
分闸触头过冲幅值 Max. overtravel |
≤2mm |
备注（Note）： * 须有外绝缘保护（With insulation cover）； |
|
Beijing Orient Vacuum Electric Co.,Ltd.
