Dust proof IP grade:

IP0X: completely no dust protection;

IP1X: can protect foreign objects with diameter greater than 50 ㎜ from falling into the equipment;

IP2X: can protect foreign objects with diameter greater than 12.5 ㎜ from falling into the equipment;

IP3X: can protect foreign objects larger than 2.5 ㎜ from falling into the equipment;

IP4X: can protect foreign objects larger than 1.00 ㎜ from falling into the equipment;

IP5X: can not completely prevent the dust from entering, but the amount of dust entering shall not affect the normal operation of the equipment, shall not affect the safety;

IP6X: Complete dustproof.

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