Brochure/Catalogue

IP class of protection
Denition of the protection degrees
according to NEMA, UL and CSA
Type
NEMA UL CSA
Designation
National Electrical Manufacturers
Association
NEMA 250-1991
Underwriters Laboratories Inc.
UL 50 und UL 508
Canadian Standards Association
CSA-C22.2 No. 94-M91
Type 1
Enclosure predominately for indoor use.
Protection against penetration by solid foreign
bodies.
Enclosure predominately for indoor use.
Protection against penetration by solid foreign
bodies.
Enclosure for general use.
Protection against accidental contact with live
components.
Type 2
Enclosure predominately for indoor use.
Protection against penetration by solid foreign
bodies and water.
Enclosure predominately for indoor use.
Protection against penetration by solid foreign
bodies and water.
Enclosure for indoor use.
Protection against non-corrosive drops/splashes of
liquid and foreign bodies.
Type 3
Enclosure predominately for indoor use.
Protection against penetration by rainfall and dust
as well as damage due to ice formation.
Enclosure predominately for indoor use.
Protection against penetration by rainfall and dust
as well as damage due to ice formation.
Enclosure for indoor or outdoor use.
Protection against penetration by rainfall and snow
as well as damage due to ice formation.
Type 3R
Enclosure predominately for indoor use.
Protection against rain and snow as damage due
to ice-formation.
Enclosure predominately for indoor use.
Protection against rain and snow as damage due
to ice-formation.
Enclosure for indoor or outdoor use.
Protection against penetration by rainfall and snow
as well as damage due to ice formation.
Type 3S
Enclosure predominately for indoor use.
Protection against rain, snow and foreign bodies.
External mechanisms can be operated despite ice
accumulation.
Enclosure predominately for indoor use.
Protection against rain, snow and foreign bodies.
External mechanisms can be operated despite ice
accumulation.
Enclosure for indoor or outdoor use.
Protection against rain, snow and foreign bodies.
External mechanisms can be operated despite ice
accumulation.
Type 4
Enclosure for indoor or outdoor use.
Protection against rain, foreign bodies, splashing
water and hose water as well as damage due to
ice-formation on the outside of the enclosure.
Enclosure for indoor or outdoor use.
Protection against rain, foreign bodies, splashing
water and hose water as well as damage due to
ice-formation on the outside of the enclosure.
Enclosure for indoor or outdoor use.
Protection against rain, snow, foreign bodies,
splashing water and hose water as well as damage
due to ice-formation on the outside of the enclosure.
Type 4X
Enclosure for indoor or outdoor use.
Protection against corrosion, rain, foreign bodies,
splashing water and hose water as well as damage
due to ice-formation on the outside of the enclosure.
Enclosure for indoor or outdoor use.
Protection against corrosion, rain, foreign bodies,
splashing water and hose water as well as damage
due to ice-formation on the outside of the enclosure.
Enclosure for indoor or outdoor use.
Protection against rain, foreign bodies, splashing
water and hose water as well as damage due to
ice-formation on the outside of the enclosure.
Type 6
Enclosure for indoor or outdoor use.
Protection against hose water as well as against pene
-
tration by water during immersion; protection damage
due to ice formation on the outside of the enclosure.
Enclosure for indoor or outdoor use.
Protection against hose water as well as against pene-
tration by water during immersion; protection damage
due to ice formation on the outside of the enclosure.
Enclosure for indoor or outdoor use.
Protection against penetration by water during
immersion; protection damage due to ice formation
on the outside of the enclosure.
Type 12
Enclosure for indoor use.
Protection against dust accumulation, foreign
bodies and non-corrosive drops of liquids.
Enclosure for indoor use.
Protection against dust accumulation, foreign
bodies and non-corrosive drops of liquids.
Enclosure for indoor or outdoor use.
Protection against a build-up of dust, bres and
foreign bodies as well as against non-corrosive
liquid drips, without pre-formed openings.
Type 13
Enclosure for indoor use.
Protection against dust build-up, splashing water,
oil, and non-corrosive coolants.
Enclosure for indoor use.
Protection against dust build-up, splashing water,
oil, and non-corrosive coolants.
Enclosure for indoor or outdoor use.
Protection against a build-up of dust, bres and
foreign bodies as well as against non-corrosive
liquid sprays including oil and coolants.
W
W.11
Technical appendix
2712630000