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误区一 防爆电气设备能防雨水 有些人认为,既然防爆电气设备能在含有爆炸危害性气体的环境中正常工作,它的密封性能一定非常好,安装在户外露天场所应该不会发生问题,在搞设备卫生时,也常用水冲洗电动机,认为防爆电动机当然防水。其实这是混淆了电气设备的防爆等级和外壳防护等级这两个概念。
Misunderstanding an explosion-proof electrical equipment can prevent rain Some people think that, since the explosion-proof electrical equipment in the atmosphere with the explosion of hazardous gases in the normal work of its sealing performance must be very good, outdoor open-air installation in place should not be a problem, engage in When equipment is hygienic, it is also common to rinse the motor with water, of course, that the explosion-proof motor is of course waterproof. In fact, this is a confusion of the electrical equipment, explosion-proof rating and enclosure protection of these two concepts.