| Product name: | ZKTD-500/1140型陶瓷真空开关管 | ||||||
| specification: | ![]() |
||||||
| 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) | ||||||
|
|||||||
|
额定工作电压1140V; |
额定工作电流500A; | 额定短路开断电流9KA |
| 额定短路开断次数16次; | 额定电流开断次数3000次; | 机械寿命1.5万次; |
| 额定短时耐受电流9KA; | 额定短时耐受时间4S; | 额定工频耐受电压10KV |
| 触头额定开距4±0.4mm; | 触头自闭力100±10N; | |
| 触头额定开距时的反力140±14N; | ||
| 触头自闭力下的接触电阻≤100μΩ; | ||
| 配用断路器ZN20--500型。 |
外形尺寸及安装尺寸