负荷开关和跌落保险的安全检查内容--杨远锋的博客

负荷开关和跌落保险的安全检查内容

[ 2012-2-3 8:45:00 | By: 杨远锋 ]

1 负荷开关只能用来切断和接通正常线路，其消弧装置应完好。合闸时，触头应动作一致，各相前后相差不应超过3mm；

2 负荷开关操作机构应灵活可靠；

3 跌落式熔断器断开后，其带电部分距地面的垂直距离在室外应大于或等于4.5m，室内应大于或等于3m；

4 跌落式熔断器应倾斜安装，与垂直线保持15°～30°夹角；

5 有爆炸、火灾危险及剧烈震动的场所，不能使用跌落保险；

6 所有开关的各部件应完整无损，操作机构安全可靠，并有额定电压、电流值和分合位置的标志

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原创

[ 2016-9-6 21:36:44 | By: 原创(游客) ]

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原创

[ 2016-9-28 21:11:06 | By: 原创(游客) ]

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原创

[ 2016-9-30 15:54:03 | By: 原创(游客) ]

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Re:在漫画中识别身边的违章

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Re:在漫画中识别身边的违章

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Re:在漫画中识别身边的违章

[ 2016-10-16 9:47:16 | By: vhwce(游客) ]

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Re:在漫画中识别身边的违章

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Re:在漫画中识别身边的违章

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Re:在漫画中识别身边的违章

[ 2017-2-19 23:31:22 | By: czouw(游客) ]

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Re:在漫画中识别身边的违章

[ 2017-2-20 15:43:33 | By: qfhlp(游客) ]

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