Where it is not necessary to specify a characteristic number, the letter “X” should be used instead.
(“XX” when both digits are removed).
Additional letters and/or complementary letters can be removed without changing their positions.
If more than one complementary letter is used, alphabetical order should be applied.
First Character: This character indicates the level of protection against the entry of foreign solid objects.
|one||Diameter ≥ 50 mm||with the back of the hand|
|2||Diameter ≥ 12.5 mm||fingering|
|3||Diameter ≥ 2.5mm||with tool|
|4||Diameter ≥ 1.0 mm||Such|
|5||Protected against dust||Such|
Second Character: This character effects express the level of protection against harmful water ingress.
|2||Drip (15° inclined)|
Additional Letter: Indicates information about preventing access to hazardous parts. Its use is optional.
|A||with the back of the hand|
Supplementary Letter: Indicates special situations. Its use is optional.
|H||high voltage device|
|M||Moving during water test|
|S||Motionless during water test|