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IP 54

IP stands for ingress protection and is a rating code commonly used for security equipment. It consists of two digits, which show the level of protection a device has against dust and water.

The IP rating normally has two numbers:

  • First digit: protection from solid objects or materials (dust)
  • Second digit: protection from liquids (water)

The NEPTUN chrom keyboard has the following rating:

Dust: 5. Protected against dust limited ingress (no harmful deposit)
Water: 4. Protection against water sprayed from all directions


DESKO develops and manufactures hardware solutions for automated data entry and document checks. DESKO has your ideal solution for airlines and airports, banking, retail, hospitality, security and government applications, self-service, and more.