Solenoid Valve Ingress Protection

Ingress Protection

IP or Ingress Protection are the ratings as defined by the EN60529 international standard and BS EN 60529:1992 and Eurozone IEC 60509:1989. The are used to define (rate) the levels of electrical sealing effectiveness of electrical enclosures against ingress or intrusion of external foreign bodies such as hands, fingers, tools, electrical wire, dust and water or moisture.

The numbers that follow the IP each have a specific ingress protection defined meaning. The first number defines the intrusion protection and the second water or mositure protection.

IP ratings are assigned to all electrical equipment from solenoid valves, actuated valves down to even mobile phones.

NEMA ingress protection is a similar system of measuring ingress protection, the numbering system and ratings are different however we have details below a cross reference guide to help.

NEMAIPNEMA DefinitionIP DefinitionSuggestion
1 IP10 Enclosures constructed for indoor use to provide a degree of protection to personnel against incidental contact with the enclosed equipment and to provide a degree of protection against falling dirt. 1 = Protected against solid foreign objects of 50mm in diameter and greater 0 Not ProtectedNot recommended.
2 IP11 Enclosures constructed for indoor used to provide a degree of protection to personnel against incidental contact with the enclosed equipment, to provide a degree of protection against falling dirt, and to provide a degree of protection against dripping and light splashing of liquids. 1 = Protected against solid foreign objects of 50mm in diameter and greater 1 = Protected against vertically falling water drops.
3 IP54 Enclosures constructed for either indoor or outdoor used to provide a degree of protection to personnel against incidental contact with the enclosed equipment; to proved a degree of protection against falling dirt, rain, sleet, snow, and windblown dust; and that will undamaged by external formation of ice on the enclosure. 5 = Protected against dust - Limited to ingress (no harmful deposit) 4 = protected against water sprayed from all directions - limited ingress permitted.
3 IP54 Enclosures constructed for either indoor or outdoor used to provide a degree of protection to personnel against incidental contact with the enclosed equipment; to proved a degree of protection against falling dirt, rain, sleet, snow, and windblown dust; and that will undamaged by external formation of ice on the enclosure. 5 = Protected against dust - Limited to ingress (no harmful deposit) 4 = protected agsinst water sprayed from all directions - limited ingress permitted.
3R IP14 Enclosures constructed for either indoor or outdoor used to provide a degree of protection to personnel against incidental contact with the enclosed equipment; to provide a degree of protection against falling dirt, rain, sleet, and snow; and that will be undamaged by external formation of ice on the enclosure. 1 = Protected against solid foreign objects of 50mm in diameter and greater 4 = protected against water sprayed from all directions - limited ingress permitted.
3S IP54 Enclosures constructed for either indoor or outdoor use to provide a degree of protection to personnel against incidental contact with the enclosed equipment; to provide a degree of protection against falling dirt, rain, sleet, snow, and windblown dust; and in which the external mechanism(s) remain operable when ice laden. 5 = Protected against dust - Limited to ingress (no harmful deposit) 4 = protected against water sprayed from all directions - limited ingress permitted.
4 IP56 Enclosures constructed for either indoor or outdoor use to provide a degree of protection to personnel against incidental contact with the enclosed equipment; to provide a degree of protection against falling dirt, rain, sleet, snow, windblown dust, splashing water, and hose-directed water; and that will be undamaged by the external formation of ice on the enclosure. 5 = Protected against dust - Limited to ingress (no harmful deposit) 6 = Protected against strong jets of water from all directions - Limited to ingress permitted.
4X IP56 Enclosures constructed for either indoor or outdoor use to provide a degree of protection to personnel against incidental contact with the enclosed equipment; to provide a degree of protection against falling dirt, rain, sleet, snow, windblown dust, splashing water, hose-directed water, and corrosion; and that will be undamaged by thee external formation of ice on the enclosure. 5 = Protected against dust - Limited to ingress (no harmful deposit) 6 = Protected against strong jets of water from all directions - Limited to ingress permitted.
5 IP52 Enclosures constructed for indoor use to provide a degree of protection to personnel against incidental contact with the enclosed equipment; to provide a degree of protection against falling dirt; against settling airborne dust, lint, fibers, and flyings; and to provide a degree of protection against dripping and light splashing of liquids. 5 = Protected against dust - Limited to ingress (no harmful deposit) 2 = Protected against direct sprays of water up to 15° from the vertical.
6 IP67 Enclosures constructed for either indoor or outdoor use to provide a degree of protection to personnel against incidental contact with the enclosed equipment; to provide a degree of protection against falling dirt; against hose-directed water and the entry of water during occasional temporary submersion at a limited depth; and that will be undamaged by the external formation of ice on the enclosure. 6 = Totally protected against dust 7 = Protected against the effects of temporary immersion between 15cm and 1m. Duration of test 30 minutes
6P IP67 Enclosures constructed for either indoor or outdoor use to provide a degree of protection to the personnel against incidental contact with the enclosed equipment; to provide a degree of protection against falling dirt; against hose-directed water and the entry of water during prolonged submersion at a limited depth; and that will be undamaged by the external formation of ice on the enclosure. 6 = Totally protected against dust 7 = Protected against the effects of temporary immersion between 15cm and 1m. Duration of test 30 minutes.
12 & 12K IP52 Enclosures constructed (without knock-outs) for indoor use to provide a degree of protection to personnel against incidental contact with the enclosed equipment; to provide a degree of protection against falling dirt; against circulating dust, lint, fibers, and flying; and against dripping and light splashing of liquids. 5 = Protected against dust - Limited to ingress (no harmful deposit) 2 = Protected against direct sprays of water up to 15° from the vertical.
13 IP54 Enclosures constructed for indoor use to provide a degree of protection to personnel against incidental contact with the enclosed equipment; to provide a degree of protection against falling dirt; against circulating dust, lint, fibres, and flyings; and against the spraying, splashing, and seepage of water, oil, and non-corrosive coolants. 5 = Protected against dust - Limited to ingress (no harmful deposit) 4 = protected against water sprayed from all directions - limited ingress permitted.

NEMA Definitions

Definitions [from NEMA 250-2003]. In Non-Hazardous Locations, the specific enclosure Types, their applications, and the environmental conditions they are designed to protect against, when completely and properly installed, are as follows: