What is the IP protection level?

The protection level is mostly expressed by IP followed by two numbers, and the numbers are used to clarify the level of protection.
The first digit indicates the extent to which the device is resistant to fine dust, or the degree to which people are protected from hazards in a sealed environment. Represents the level of preventing the entry of solid foreign objects, the highest level is 6;
The second digit indicates how waterproof the device is. Represents the level of protection against water ingress, the highest level is 8.

The first digit after IP dustproof level

Number	Protection Range	Illustrate
0	No protection	No special protection against outsiders or things
1	Prevent the intrusion of solid foreign objects with a diameter greater than 50mm	Prevent the human body (such as the palm) from accidentally touching the internal parts of the electrical appliance, and prevent the intrusion of large-sized (diameter greater than 50mm) foreign objects
2	Prevent the intrusion of solid foreign objects with a diameter greater than 12.5mm	Prevent human fingers from touching the internal parts of the electrical appliance, and prevent foreign objects of medium size (diameter greater than 12.5mm) from intruding
3	Prevent the intrusion of solid foreign objects with a diameter greater than 2.5mm	Prevent tools, wires and similar small foreign objects with a diameter or thickness greater than 2.5mm from intruding and touching the internal parts of the electrical appliance
4	Prevent the intrusion of solid foreign objects with a diameter greater than 1.0mm	Prevent tools, wires and similar small foreign objects with a diameter or thickness greater than 1.0mm from intruding and touching the internal parts of the electrical appliance
5	Prevent foreign objects and dust	Completely prevent the intrusion of foreign objects, although it cannot completely prevent the intrusion of dust, but the intrusion of dust will not affect the normal operation of electrical appliances
6	Prevent foreign objects and dust	Completely prevent the intrusion of foreign objects and dust

The second digit after IP: waterproof level

Number	Protection Range	Illustrate
0	No protection	No special protection against water or moisture
1	Prevent water droplets from immersing	Vertically falling water droplets (e.g. condensation) will not damage the appliance
2	When tilted at 15 degrees, it can still prevent water droplets from immersing	When the appliance is tilted from vertical to 15 degrees, dripping water will not cause damage to the appliance
3	Prevent sprayed water from entering	Prevent rain or prevent water sprayed in a direction with an angle of less than 60 degrees from the vertical from invading electrical appliances and causing damage
4	Protected against splashing water	Prevent water splashing from all directions from invading the electrical appliances and causing damage
5	Protection from sprayed water immersion	Protected against low pressure water jets lasting at least 3 minutes
6	Protection from high waves	Protected against heavy water spray lasting at least 3 minutes
7	Prevent water intrusion when submerged in water	Resistant to the effects of immersion in water up to 1 meter for 30 minutes
8	Prevent water ingress when sinking	Resistant to continuous immersion in water deeper than 1 meter. The exact conditions are specified by the manufacturer for each device.

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