Types of protection via case (IP Code) • IEC 529 • EN 60529
The degrees of protection of this standard define
• Protection of persons from danger of this case
• Protection against the penetration of foreign bodies
• Protection against the penetration of water

1	With Large Parts of the body (Back of the hands)	Large foreign bodies, diameter greater than or equal to 50mm		1	Vertical falling drops of water
2	With the finger	Medium size foreign bodies, diameter greater than or equal to 12mm		2	Obliquely falling drops of water up to 15° towards vertical
3	With tools and wires, diameter greater than or equal to 2.5mm	Small size foreign bodies, diameter greater than or equal to 2.5mm		3	Spray water up to 60° towards vertical
4	With tools and wires, diameter greater than or equal to 1.0mm	Grain-size foreign bodies, diameter greater than or equal to 1.0mm		4	Spray water from all sides
5	Complete Protection	Dust Deposit		5	Jets of Water
6	Complete Protection	Ingress of Dust		6	Power of Jets of Water
				7	Partial Immersion
				8	Immersion
Example Entry: IP 21 The first number means Contact protection with the finger and foreign bodies, which are greater than 12.5mm in diameter. The second number means The device is protected against vertical drops of water.