| Product name: | ZKBF-12/630-20型真空开关管 | ||||||
| specification: | ![]() |
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| Category: | spare parts and accessories -- 陶瓷真空灭弧室 | ||||||
| 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50KA | 额定触头压力下的接触电阻≤30μΩ |
| 额定电流630A | 额定短时耐受时间4S | 触头允许磨损厚度3mm |
| 额定有功负载开断电流630A | 额定短路关合电流50KA | 储存期20年 |
| 额定闭环开断电流630A | 额定工频耐受电压42KV | 配用负荷开关FZN21-12D/T630-20型 |
| 额定电缆充电开断电流10A | 触头自闭力190±20N | |
| 额定开断空载变压器容量1250KVA | 额定开矩下的触头反力240±24N |
外形尺寸及安装尺寸: