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IP Rating - SMLease Design

IP Rating is used to define the level of sealing effectiveness against foreign objects (water & solid objects) in enclosures. International Standard EN 60529 and IEC 60509:1988 has  defined the IP rating. 

You can Contact Us for support in design and development of rugged waterproof enclosures


IP Stands for Ingress Protection: It consists of 2 numbers.

  • 1st number indicates protection of persons against access to hazardous parts and protection of machines/equipment against entry of solid parts.
  • 2nd number indicates protection of machines/equipment against harmful ingress of water. 

Download IP Rating Comparison Sheet

IP Rating XX


First Number

1st number in IP Rating indicates protection of persons against access to hazardous parts and protection of machines/equipment against entry of solid parts.

X- Protection is not specified

0 - No Protection

Level 1 - Protection of the back of hand against access to hazardous parts and protection of the equipment from objects larger than 50 mm in size 

 

Level 2- Protection of fingers against access to hazardous parts and protection of the equipment from objects larger than 12.5 mm in size 

 

 

Level 3- Protection of persons holding tools and wires (greater than 2.5 mm) against access to hazardous parts and protection of the equipment from objects larger than 2.5 mm in size 

Level 4- Protection of persons holding tools and wires (greater than 1 mm) against access to hazardous parts and protection of the equipment from objects larger than 1 mm in size 

 

 

 

Level 5- Protection against entry of dust in sufficient quantity to interfere with satisfactory operation of product.

 

 

 

Level 6- Complete Protection against entry of dust.

 

 


Second Number

Second number in IP Rating indicates protection of machines/equipment against harmful ingress of water.

X- Protection is not specified

0 - No Protection

 

Level 1 -Protection against drops of water falling vertically.              

Test- Water equivalent to 1 mm of rainfall per minute for 10 minutes

 

 

Level 2 -Protection against drops of water falling vertically when housing is tilted at an angle 15 degree from vertical.

Test- Water equivalent to 3 mm of rainfall per minute for 10 minutes

 

 

Level 3 -Protection against spraying of water at angle 60 degree from vertical.

Test- Water volume= 0.7 Ltr/min, Pressure= 80-100 K-pa for 10 minutes

 

 

Level 4 -Protection against spraying of water at from all directions.0

Test- Water volume=10 Ltr/min, Pressure= 80-100 K-pa for 10 minutes

 

 

Level 5 -Protection against low pressure water jets from all directions.

Test- Water Volume = 12.5 Ltr/min, Pressure=30 K-pa from a distance of 3 meter for 3 minutes, Nozzle Size=6.3 mm

 

 

Level 6 -Protection against heavy sea or high pressure water jets from all directions.

Test- Water volume=100 Ltr/min, Pressure=100 K-pa from at a distance 3 meter for 3 minutes, Nozzle Size – 12.5mm

 

 

Level 7 -Protection against temporary immersion in water at least 1 meter for 30 minutes

 

 


If any product is certified with IP 67 rating, that means it is fully protected from dust and can also withstand being submerged in 1 meter of static water for up to 30 minutes.

You can Contact Us for support in design and development of rugged waterproof enclosures


 

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