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Product name： | ZMD12/630-20陶瓷真空灭弧室 | |||||
| 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 |
ZMD12/630-20 |
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额定电压 |
12KV |
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额定电流 |
630A |
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额定短路开断电流 |
20KA |
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额定短路关合电流（峰值） |
50KA |
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额定峰值耐受电流 |
50KA |
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额定短时耐受电流 |
20KA |
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额定短路持续时间 |
4S |
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额定短时（lmin）工频耐受电压 |
42KV |
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额定雷电冲击电压 |
75KV |
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额定触头压力下的回路电阻 |
≤25μΩ |
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额定短路开断电流开断次数 |
50次 |
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额定电流开断次数 |
10000次 |
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机械寿命 |
10000次 |
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触头自闭力 |
150±50N |
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触头开距下的触头反力 |
210±60N |
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触头电磨损允许厚度 |
3mm |
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质量 |
3.5kg |
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