June 28, 2011

Ingress Protection - IP Rating

Ingress Protection - IP Rating


 Degree of protection of the enclosures for electrical equipment in accordance with the IEC 529 and EN 60529 standards.

Ingress Protection (IP) or IP Rating consist of 2 numbers, that is IP ??.

The first number mean protect against solid bodies
  • 0 - No protection
  • 1 - Protected against solid bodies larger than 50mm (hand)
  • 2 - Protected against solid bodies larger than 12.5mm (finger)
  • 3 - Protected against solid bodies larger than 2.5mm (tools, wires)
  • 4 - Protected against solid bodies larger than 1mm (fine tools, small wires)
  • 5 - Protected against dust (no harmful deposit)
  • 6 - Completely protected against dust.
Second number mean protect against liquids
  • 0 - No protection
  • 1 - Protected against vertically-falling drops of water
  • 2 - Protected against drops of water falling at up to 15 degree from the vertical.
  • 3 - Protected against drops of water falling at up to 60 degree from the vertical.
  • 4 - Protected against drops of water from all directions.
  • 5 - Protected against jets of water from all directions.
  • 6 - Completely protected against jets of water of similar force to heavy  seas.
  • 7 - Protected against the effect of immersion.
  • 8 - Protected against effect of prolonged immersion under specific conditions
Weather Proof        - IP54
Water Tight            - IP65
Dust Tight               - IP66
Immersion Proof     - IP67
Explosion Proof      - Exd
Dust Ignition Proof  - D.I.P.




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