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What are the standards for "protection" and "explosion protection" in industrial lighting fixtures?

Datetime: 2021-07-02 14:04:20


I believe that industrial lighting colleagues know that many applications in the manual of industrial lighting lamps will state the product "protection level IP65" and "explosion-proof standard ExdⅡCT6". Many specific places have corresponding protection levels and explosion-proof lamps when installing industrial lighting lamps. Requirements. So what are the standard definitions of "protection" and "explosion-proof" for industrial lighting fixtures? The following editor will give you a popular science.



Protection level

IP is the abbreviation of Ingress and Protection. The IP level is the protection level against the intrusion of foreign objects in the enclosure of electrical equipment, such as explosion-proof electrical appliances, waterproof and dustproof electrical appliances. The source is the standard IEC60529 of the International Electrotechnical Commission.

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The protection level is usually expressed by two numbers followed by IP, and the numbers are used to clarify the protection level. The first number indicates the range of equipment resistance to dust, or the degree to which people are protected from hazards in a sealed environment. Represents the level of preventing solid foreign objects from entering, the highest level is 6; the second number indicates the degree of waterproofing of the equipment. Represents the level of preventing water ingress, the highest level is 8.



Dust protection class IPXX (the first X indicates)

0: no protection

1: Prevent the intrusion of large solids

2: Prevent the intrusion of medium-sized solids

3: Prevent small solids from entering and intruding

4: Prevent solid objects larger than 1mm from entering

5: Prevent the accumulation of harmful dust

6: Completely prevent dust from entering