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桩工机械用电安全技术 | 2009-12-5 8:36:00
1．潜水式钻孔机电机的密封性能，应符合国际GB 1498—79《电机低压电器外壳防护等级》中的IP68级规定。
2．潜水电机的负荷线应采用YHS型潜水电机用防水橡皮护套电缆，长度应不小于1.5m，不得承受外力。
3．潜水式钻孔机所装设的漏电保护器应符合额定漏电动作电流应不大于15mA，额定漏电动作时间应小于0.1s的要求。
- 上一篇：触电事故应急准备与响应预案
- 下一篇：危险化学品的泄漏控制
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