Basic information about IP 55.


The IP Code reflects the degree of protection as “IP” followed by two numbers; the first digit shows the extent to which enclosures are protected against particles and protection to others from enclosed hazards.

Characteristics of IP 55 FTTH box:

  • Protection from dirt, dust, oil, and other non-corrosive material
  • Protection from water, up to water projected by a nozzle against FTTH box from any direction
  • Available in aluminium, and stainless steel
  • Available in wall-mounted, free standing and Rack mounted box
  • Custom with cutouts, insulation, hinges, latches, or locks

The rating consists of the letters IP followed by 2 digits, the first digit stands for the level of protection that the enclosure provides against solid bodies,

IP 55   =  First Digit – Solids

The second digit describes the degree of protection of the equipment inside the enclosure against water.

IP 55   =  Second Digit – Liquids