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Product name:
HR20型低压刀熔开关
specification:
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Category:
low-voltage electrical apparatus
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刀熔开关
Price:
factory price
Brand:
Shanghai
Place of Origin:
China
Available Quantity:
batch
delivery cycle:
Spot goods (or inquire by telephone)
Shanghai Beiyuan
Industry and Trade Co.,Ltd
+86-21-66770508
+86-139101609058
91way@163.com
13916500500
(Wechat)
HR20型低压刀熔开关
Detailed product description:
HR20型低压刀熔开关(低压熔断开关)是由刀开关和熔断器构成的组合电器.适用于户外低压电路中使用.在正常馈电的情况下作为接通和切断电源用,在有短路或过载的情况下电路的保护用.对农网、农林场、城网改造、铁路石化、户内外、大小工厂等凡有变压器输出到户外线路均可使用.
结构特征
HR20型低压熔断开关采用三极共基座式装配,每极有夹型动、静触头分别由支柱绝缘固定在底座上,动触头部分由瓷刀把两部分互相绝缘的导电件刚性的连在一起,由用户选择合适的熔断片接在这两导电件之间,起开关和熔断器作用.在动、静触头间装有消弧触头,设计好在主要触头要接触时,消弧触头先接触、防止电弧烧坏主触头.在动触头上方有环型脱扣装置,可用绝缘钩具在地面实行远距离操作分闸.具有结构简单、性能可靠.使用方便等优点.
外型及安装尺寸
HR20-0.5(2型)
HR20型低压刀熔开关
HR20型低压刀熔开关
(schematic diagram)
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