| Product name: | ZKTJ-125/1140(Ⅱ)型陶瓷真空开关管 | ||||||
| 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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额定工作电压1140V; |
额定工作电流125A; | 额定接通能力1.25KA,100次 |
| 额定分断能力1KA.25次; | 极限分断能力2.5KA,3次 | 额定短时耐受电流1KA; |
| 额定短路持续时间10S; | 工频耐受电压10KV; | 电寿命AC4.6万次 |
| 机械寿命 100万次; | 触头额定开距1.8±0.2mm; | 触头自闭力20±3N; |
| 触头额定开距时的反力45±5N; | ||
| 触头自闭力下的接触电阻≤120μΩ; | ||
| 触头允许磨损厚度1mm; | ||
| 开关管的最大质量0.3KG; | ||
| 配用接触器CKj5--125(ⅱ)型; |