ISO 20653设备防水。防尘等级标准

simonlxh

【文件名】:ISO20653 Protection against foreign objects, water and contact Electrical equipment.pdf
【格　式】:pdf
【大　小】:228K
【简　介】:
【目　录】:Scope.....................................................................................................................................................3
Normative references...........................................................................................................................3
Structure and significance of the IP-Code.........................................................................................4
Structure of the IP-Code......................................................................................................................4
Significance of IP-Code........................................................................................................................4
Degrees of protection against ingress of solid foreign objects (including dust) and against
contact with hazardous parts..............................................................................................................4
Degrees of protection against ingress of water................................................................................5
Designation examples..........................................................................................................................8
IP-Code using the supplementary letter K for protection against ingress of water......................8
IP-Code using the additional letter B and the supplementary letter K for protection against
ingress of water....................................................................................................................................8
Different IP-Codes for different parts of a whole using the supplementary letter K for
protection against ingress of dust......................................................................................................8
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zhouyong1945

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zyy1029

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