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地址:中国 湖北 枝江市 仙女四路
电话:86 717 4209228
86 717 4209218
传真:86 717 4209218
邮箱:info@jucro.com
地址:中国 湖北 枝江市 仙女四路
HVJ3-12/400(630) vacuum interrupter for vacuum contactor
1. 主要技术参数 Main technique parameter
No. | 参数名称 Parameter name | 单位 Unit | 数值 Value |
1. | 额定电压 Rated voltage | KV | 12 |
2. | 额定电流 Rated current | A | 400/630 |
3. | 额定频率 Rated frequency | Hz | 50 |
4. | 额定接通电流 Rated making current | KA | 4/6.3 |
5. | 额定分断电流 Rated breaking current | KA | 3.25.04 |
6. | 极限分断电流 Limiting breaking current | KA | 4/6.3 |
7. | 额定短时耐受电流 Rated short time withstand current | KA | 3.2/5.04 |
8. | 额定短时工频耐压 Rated short time power frequency withstand voltage (1 minute) | KV | 42 |
9. | 额定雷电冲击耐受电压Rated lightning impulse withstand voltage | KV | 75 |
11. | 电寿命 Electrical life | 1×104 Operations | 25 |
12. | 机械寿命 Mechanical life | 1×104 Operations | 50 |
13. | 触头自闭力 Automatic closing force of the contacts | N | 70±20 |
14. | 额定开距时的触头反力 Force required to hold the contacts opening at full stroke | N | 100±30 |
15. | 触头自闭力下的回路电阻 Circuit resistance under minimum contacts force | μΩ | ≤80 |
16. | 触头允许磨损厚度 Limiting abrasion thickness of the contacts | mm | 3 |
17. | 允许储存期Storage life | Years | 20 |
18. | 内部气体压力 Internal gas pressure | Pa | ≤1.33×10-3 |
2. 配用接触器的机械参数 Vacuum contactor technical specifications
No. | 项目 Items | 单位 Unit | 数值 Value |
1. | 触头开距 Clearance between opening contacts | mm | 6±1 |
2. | 触头接触行程 Contacts travel | mm | 2±0.5 |
3. | 平均分闸速度 Average opening speed | m/s | 0.3±0.1 |
4. | 平均合闸速度 Average closing speed | m/s | 0.6±0.2 |
5. | 额定触头压力 Rated contacts pressure | N | 100±20 |
6. | 触头合闸弹跳时间 Contacts bouncing duration at closing operation | ms | ≤ 2 |
7. | 合闸同期性 Closing synchronism | ms | ≤ 2 |
8. | 分闸触头反弹幅值 Contacts re-bouncing clearance at opening operation | mm | ≤ 1.5 |