The EN 60529 standard covers the protection of electrical equipment by means of housings, covers or equivalent, and includes:
Protection of persons against accidental contact with live or moving parts within the housing and protection of the equipment against the ingress of solid foreign matter (touch protection and protection against ingress of solid foreign matter)
Protection of the equipment against the ingress of water (water protection)
Abbreviations for the internationally agreed degrees of protection
The degrees of protection are specified by abbreviations comprising the code letters IP and two digits.
Degree of protection
First digit? (touch protection and protection against ingress of solid foreign matter)
Second digit? (protection of the equipment against the ingress of water)
IP20
(Standard)
Protected against solid foreign matter diameter ? 12.5 mm
No water protection
IP21
(Option M21)
Protected against solid foreign matter diameter ? 12.5 mm
Protected against drip water
Vertically falling water drops shall not have a harmful effect.
IP23
(Option M23)
Protected against solid foreign matter diameter ? 12.5 mm
Protected against spray water
Water sprayed on both sides of the vertical at an angle of up to 60° shall not have a harmful effect.
Cabinet Modules fulfill the criteria for degree of protection IP20 as standard. The other degrees of protection outlined here are available as an option.
