The meaning of IP protection index
the meaning of the first number after letter IP
NUMBER | Scope of protection | Description |
0 | No protection | No special protection for people or things outside |
1 | Prevent the intrusion of solid foreign objects larger than 50mm in diameter | Prevents the human body (such as the palm) from coming into contact with the internal parts of the appliance due to accidents, preventing the invasion of foreign objects of larger size (greater than 50mm in diameter) |
2 | Prevent the intrusion of solid foreign objects larger than 12.5mm in diameter | Prevents human fingers from coming into contact with parts inside the appliance to prevent intrusion of medium-sized (larger than 12.5mm diameter) foreign objects |
3 | Prevent the intrusion of solid foreign objects larger than 2.5mm in diameter | Prevents intrusion of tools, wires, and similar small foreign objects with a diameter or thickness greater than 2.5 mm into contact with parts inside the appliance |
4 | Prevent the intrusion of solid foreign objects larger than 1.0mm in diameter | Prevents intrusion of tools, wires, and similar small foreign objects with a diameter or thickness greater than 1.0 mm into contact with parts inside the appliance |
5 | Prevent foreign objects and dust | Completely prevent the invasion of foreign objects, although it can not completely prevent dust from invading, the intrusion of dust will not affect the normal operation of the electrical appliances. |
6 | Prevent foreign objects and dust | Completely prevent foreign objects and dust from intruding |
the meaning of the second number after letter IP
NUMBER | Scope of protection | Description |
0 | No protection | No special protection against water or moisture |
1 | Prevent water droplets from entering | Vertical drops of water (such as condensate) do not damage the appliance |
2 | Prevents water droplets from immersing when tilted 15 degrees | When the appliance is tilted vertically to 15 degrees, dripping water will not cause damage to the appliance. |
3 | Prevent spraying of water into the water | Prevent rain or prevent water sprayed in the direction of vertical angle less than 60 degrees from invading the appliance and causing damage |
4 | Prevent splashing water from immersing | Prevent water from splashing in all directions from invading the appliance and causing damage |
5 | Prevent jetting of water into the water | Prevents water from the nozzle from in all directions from invading the appliance and causing damage |
6 | Prevent large waves from immersing | Electrical appliances installed on the deck to prevent damage from large waves |
7 | Prevent water immersion when immersed in water | The appliance is immersed in water for a certain period of time or the water pressure is below a certain standard to ensure that it will not be damaged by water immersion. |
8 | Prevent water from immersing when sunk | The appliance is sunk indefinitely under the specified water pressure to ensure that it is not damaged by water immersion. |