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HCJ3 7.2kv 630A vacuum interrupter for vacuum contactors |
Create: 07/27/2018 |
Expired Date: | never |
Category: | Electronic |
Message: | 简单的介绍 采用瓷器和陶瓷的灭弧室使外壳绝缘。接触是WCCu金属合金材料采用的先进技术包括体积小。突破性强,寿命长,维护简单。无爆炸危险,无污染,噪音低。包真空接触器可以操作电器类电器设备,并熔断匹配柜 2.真空管主要技术参数 额定电压:7.2千伏 额定电流:630A 额定电流:6.3KA 额定开断电流:5.04KA 限制开断电流:6.3KA 额定短时耐受电流:6.3KA 额定短时耐受电压:32千伏 额定照明冲击电压:60千伏 最低额定接触力下的电路电阻:≤80μΩ 电气寿命:250,000次 机械寿命:50万次 波纹管和大气层产生的闭合力:70±20 N. 全触发时保持触点打开所需的力:100±30 N. 限制触点磨损:3 mm 内部气压:≤1.33×10-3 Pa 储存期限:20年 |
City: | zhijiang[CN] |
Location: | |
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