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Reliability-Differences between IP69 and IP 69K in IP protection

2026-07-22
93 Author:Xuntong Standard
Article Keywords:

1.background introduction

IP level protection testing is a basic project that electronic products often need to do. Many customers often get confused when choosing whether to make IP69 or IP69K for their products. This article combines GB4208 (IEC 60529), a representative standard for general consumer electronics products, and GB30038 (ISO 20653), a representative standard for automotive parts.

2. Specific test conditions for IP protection

  • Reference standard GB/T 4208-2017 Enclosure Protection Level (IP Code)
  • Conditions for IP1X~IP6X 
可靠性——IP防护中的IP69和IP69K的差异Illustration

  The solid foreign matter prevention conditions for IP5X are as follows: 1. Place the sample in the dust box according to the normal working position and not connected to the vacuum pump; 2. Test dust: talc powder; 3. Test time: 8 hours. nbsp;    The solid foreign body prevention conditions for IP6X are as follows: 1. Place the sample in a dust box according to the normal working position and connect it to the vacuum pump; 2. Test dust: talc powder; 3. Test time: pumping rate per hour is 40~60 times the shell volume, test time is 2 hours; hourly pumping rate <40 times the shell volume, test time is 8 hours vacuum pressure difference: ≤2kPa(20mbar) 

  • Reference standard GB/T 4208-2017 Enclosure Protection Level (IP Code)
  • Conditions for IPX1 ~ IPX9  
可靠性——IP防护中的IP69和IP69K的差异Illustration 1
可靠性——IP防护中的IP69和IP69K的差异Illustration 2
  • Reference standard GB/T 30038-2013 Protection levels of electrical and electronic equipment for road vehicles
  • Conditions for IP1X~IP6X  
可靠性——IP防护中的IP69和IP69K的差异Illustration 3
可靠性——IP防护中的IP69和IP69K的差异Illustration 4
可靠性——IP防护中的IP69和IP69K的差异Illustration 5

 The solid foreign matter prevention conditions for IP5 KX/IP6 KX are as follows:

 1. Place the sample in the dust box according to the normal working position;

 2. Test dust: Arizona powder;

 3. Test time: Spray the air dust mixture for 6S and pause for 15 minutes. This is one cycle, a total of 20 cycles.

 4. Judgment standard: IP5KX: A small amount of dust is allowed to enter, but it does not affect performance and safety;

 IP6KX: No dust entering.

  • Reference standard GB/T 30038-2013 Protection levels of electrical and electronic equipment for road vehicles
  • Conditions for IPX1 ~ IPX9 
可靠性——IP防护中的IP69和IP69K的差异Illustration 6
可靠性——IP防护中的IP69和IP69K的差异Illustration 7
可靠性——IP防护中的IP69和IP69K的差异Illustration 8

3. Summary-Differences and Differences between IP69 and IP 69K 

可靠性——IP防护中的IP69和IP69K的差异Illustration 9