IP protection:

The first digit indicates the level of protection against access to hazardous parts and the ingress of solid foreign objects:

  • IP 0x Not protected
  • IP 1x Protected against solid foreign objects of 50mm diameter and greater
  • IP 2x Protected against solid foreign objects of 12,5mm diameter and greater
  • IP 3x Protected against solid foreign objects of 2,5mm diameter and greater
  • IP 4x Protected against solid foreign objects of 1,0mm diameter and greater
  • IP 5x Protected from the amount of dust that would interfere with normal operation
  • IP 6x Dust tight (dust must not interfere with the satisfactory operation of the equipment)

The second digit indicates the level of protection against the ingress of water:

  • IP x0 Not protected
  • IP x1 Protected against vertically falling water drops
  • IP x2 Protected against vertically falling water drops when enclosure is tilted up to 15°
  • IP x3 Protected against water sprayed at an angle up to 60° on either side of the vertical
  • IP x4 Protected against water splashed against the component from any direction
  • IP x5 Protected against water projected in jets from any direction
  • IP x6 Protected against water projected in powerful jets from any direction
  • IP x7 Protected against temporary immersion in water (under defined conditions of pressure and time)
  • IP x8 Protected against continuous immersion in water (water must not not interfere with the satisfactory operation of the equipment)