Your location：Home → spare parts and accessories → vacuum interrupter → Ceramic vacuum arc extinguishing chamber → ZMF-12/400-20型真空负荷开关用真空灭弧室 |
Product name： | ZMF-12/400-20型真空负荷开关用真空灭弧室 | |||||
| specification： |   Zoom in on the image |
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| Category： | spare parts and accessories -- 陶瓷真空灭弧室 | ||||||
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Price： | factory price | |||||
| Brand： | Shanghai | ||||||
| Place of Origin： | China | ||||||
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Available Quantity： | batch | |||||
| delivery cycle： | Spot goods (or inquire by telephone) | ||||||
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型 号 |
ZMF-12/400-20 |
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额定电压 |
2KV |
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额定电流 |
400A |
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额定工作频率 |
50HZ |
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真空自闭力 |
90±20N |
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触头最大开距 |
4mm |
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触头开距4mm时的拉力 |
120±20N |
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触头自然闭合时的接触电阻 |
≤200μΩ |
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触头开距4mm时工频耐压(1min) |
20KV |
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最大关合电流 |
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