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防爆配電箱里IP56指的是什么？依客思為你解答什么是防護等級
2015-12-24 09:23:05 來源：
防護等級：是指外殼防止外物落入內(nèi)部和防止水浸入內(nèi)部的能力。外殼具有相應的防護等級對保持防爆電機的防爆安全性能是十分重要的。外殼的防護等級用IP代碼和后續(xù)的兩位數(shù)字表示。
數(shù)字的第1位表示防外物等級，數(shù)字的第2位表示防水等級。GB208將外殼的防外物等級分為6個級別，防水等級分為8個級別。
例如：BEP56-4K防爆配電箱的防護等級為IP55，第1個5表示防塵等級為5級（不能完全防止粉塵浸入，但是，進入的粉塵量不得影響電機的正常運行，不得影響安全）；第2個5表示防水等級為5級（向外殼各個方向噴水時，噴水不應該對電機產(chǎn)生有害的影響）。
What does IP56 mean in the explosion-proof distribution box? According to customer thinking for you to answer what is the level of protection
Protection level: refers to prevent foreign objects from falling into the internal shell and the ability to prevent internal water immersion. It is very important that the shell has the corresponding protection level to keep the explosion-proof safety performance of the explosion-proof motor. The protection level of the enclosure is represented by the IP code and the following two digit numbers.
The number first said that the anti material level, digital second bitsrepresents waterproof grade. GB208 will prevent outside shell level is divided into 6 levels, the waterproof grade is divided into 8 levels.
For example: the protection level of the BEP56-4K explosion-proof distribution box IP55, the first 5 said dustproof grade 5 level (can not completely prevent dust immersion, however, the amount of dust entering shall not the normal operation of the machine, should not affect safe); the second five said waterproof grade to grade 5 (outward shell each direction of spraying water should not have harmful effects on motor).
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