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（负荷开关用）MAIN TECHNICA DATA（FOR LOAD-BREAKING SWITCH） |
|
额定电压 Rated voltage |
40.5KV |
额定电流 Rated current |
1250A |
额定频率 Rated frequency |
50/60HZ |
短时(1min)工频耐受电压 Short-time(1min) power-frequency withstand voltage |
95KV |
雷电冲击耐受电压(峰值) Lightning impulse withstand voltage(peak) |
185KV |
额定短路关合电流 Rated short-circuit making current |
50KA |
额定峰值耐受电流 Rated peak withstand current |
50KA |
额定短时耐受电流(4秒) Rated short-time withstand current(4s) |
20KA |
额定闭环开断电流Rated closed circuit breaking current |
630A |
额定转移电流Rated transfer current |
2000A |
额定有功负载开断电流Rated load with power breaking current |
1250A |
额定电缆充电开断电流Rated cable-charging breaking current |
10A |
额定触头压力下限时的回路电阻 Circuit resistance at minimum added force |
≤40μΩ |
机械寿命 Mechanical life |
10000次 |
触头自闭力 Closing force due to bellows and atmosphere |
135±40N |
额定开距下的触头反力 Force required to hold contacts open at full stroke |
210±50N |
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 |
5.68Kg/1.26Kg |
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 |
17±1mm |
触头接触行程 Contact connection stroke |
4±1mm |
平均分闸速度（0-8mm行程） Average opening speed（0-8mm stroke） |
1.6±0.2m/s |
平均合闸速度（8mm-触头闭合） Average closing speed（8mm-contact making） |
0.8±0.2m/s |
额定触头压力 Added force on closed contacts |
1000±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） |
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Beijing Orient Vacuum Electric Co.,Ltd.
