Trolex Engineering - Slip Ring Collector Units, Ex d Connectors, Cable Reels, Junction Boxes for Hazardous Areas
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Ingress Protection - Explained

13/8/2014

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The IP classification system designates by means of a number, the degree of protection provided by an enclosure against impact or dust and water ingress.  Please note that the IP classification should not be construed as indicating corrosion resistance.

Degrees of Protection to IEC 529
FIRST NUMBER
Degree of Protection against solid objects
0 Non-protected
1 Protected against a solid object greater than 50mm, such as a hand
2 Protected against a solid object greater than 12mm, such as a finger
3 Protected against a solid object greater than 2.5mm, such as a tool or wire
4 Protected against a solid object greater than 1.0mm, such as wire or thin strips
5 Dust-protected.  Prevents ingress of dust sufficient to cause harm.
6 Dust tight.  No dust ingress.
SECOND NUMBER
Degree of Protection against water
0 Non-protected
1 Protected against a water dripping vertically, such as condensation
2 Protected against dripping water when tilted up to 15°
3 Protected against water spraying at an angle of up to 60°
4 Protected against water splashing from any direction
5 Protected against jets of water from any direction
6 Protected against heavy seas or powerful jets of water.  Prevents ingress sufficient to cause harm.
7 Protected against harmful ingress of water when immersed between a depth of 150mm to 1 metre
8 Protected against submersion.  Suitable for continuous immersion in water
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T.E.L. Engineering Ltd t/a Trolex Engineering  |  Unit 2 Levens Road, Newby Road Industrial Estate, Hazel Grove, Stockport, SK7 5DL UK
                                                                                        t: +44 (0) 161 456 6545  |  e: sales@txeng.co.uk
  • Home
  • About
    • Past, Present and Future
    • Quality & Certification >
      • Marine Specification Paint
    • Design
    • Privacy
    • Terms and Conditions of Sale
    • Useful Information >
      • What is a Slip Ring?
      • Useful Links
  • Slip Rings
    • Small Slip Rings >
      • TX4700 Series Slip Ring Collector
      • TX4705 Series Slip Ring Collector
      • TX4706 Series Slip Ring Collector
      • TX4707 Series Slip Ring Collector
      • TX4845/6 Series Slip Ring Collector
      • TX4847 Series Slip Ring Collector
      • TX4709/TX4849 Slip Ring Collector
    • Medium Slip Rings >
      • TX4714 Series Slip Ring Collector
      • TX4715 Series Slip Ring Collector
      • TX4815 Series Slip Ring Collector
      • TX4825 Series Slip Ring Collector
    • Large Slip Rings >
      • TX4716 Series Slip Ring Collector
      • TX4717 Series Slip Ring Collector
      • TX4726/7/8 Series Slip Ring Collector >
        • TX4727 Series Slip Ring Collector
      • TX4827 Series Slip Ring Collector
    • Cylindrical Slip Rings >
      • TX4740 Series Slip Ring Collector
      • TX4741 Series Slip Ring Collector
      • TX4820 Series Slip Ring Collector
      • TX4850 Series Slip Ring Collector
      • TX4890 Series Slip Ring Collector
      • TX4891 Series Slip Ring Collector
  • Other Products
    • Fibre Optic Rotary Joints >
      • TX4956 Fibre Optic Rotary Joint
    • Ex d Connectors >
      • TX3700/3701 Ex d Connectors
    • Cable Reeling >
      • TX4920 Series Reeling Drum
      • TX4921 Series Manually Operated Cable Reel
      • TX4925 Series Cable Reel
    • Junction Boxes >
      • TX6900/6901 Junction Box
      • TX6910/6911 Junction Box
    • Fluid/Gas Swivel >
      • TX4900 Fluid / Gas Swivel
  • Markets
    • Marine - Offshore
    • Marine - Dockside
    • FPSO's
    • Nuclear
    • Food & Pharmaceutical
    • General Industry
    • Offshore Wind Turbines
  • Applications
    • Cranes
    • Winches
    • Wireline/Logging
    • Coil Tubing
  • News
  • Vacancies
  • Certification
  • Contact