| Product name: | ZKBD-1250/12-31.5型真空开关管 | ||||||
| specification: | ![]() |
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| Category: | spare parts and accessories -- 玻璃真空灭弧室 | ||||||
| Price: | factory price | ||||||
| Brand: | Shanghai | ||||||
| Place of Origin: | China | ||||||
| Available Quantity: | batch | ||||||
| delivery cycle: | Spot goods (or inquire by telephone) | ||||||
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| 额定电压12KV |
额定峰值耐受电流80KA |
额定触头压力下的接触电阻≤30μΩ |
| 额定工作电流1250、1600A | 额定工频耐受电压42KV | 触头允许磨损厚度3mm |
| 额定短路开断电流25、31.5KA | 额定短时耐受电流31.5KA | 储存期20年 |
| 额定电流开断次数30次 | 额定短时耐受时间4S | 配用断路器ZN28-12型 |
| 额定冲击耐受电压75KV | 触头自闭力190±40N | |
| 额定短路关合电流80KA | 额定开矩下的触头反力240±40N | |
外形尺寸及安装尺寸: