Page 9 - Catalogue - tecnosteel
P. 9
Degrees of protection of the cabinets 30
CEI EN 60529 (CEI 70-1) IEC 60529
First characteristic numeral Second characteristic numeral
Protection against ingress of solid Protection against access to Protection against ingress of
foreign objects hazardous parts water harmfull effects
Non protected Non protected 0 0 Non protected
Protected against Protected against Protected against
ingress of solid access of back of
foreign object with hand 1 1 vertically falling
water drops
diam ≥ 50 mm
Protected against
Protected against vertically falling
ingress of solid Protected against
foreign object with access of test finger 2 2 water drops when
enclosure tilted up
diam ≥ 12,5 mm
to 15°
Protected against Protected against
ingress of solid access of 3 3 Protected against
foreign object with an access probe spraying water
diam ≥ 2,5 mm
Protected against
ingress of solid Most wires, screws, Protected against
foreign object with etc. 4 4 splashing water
diam ≥ 1 mm
Durst must not enter
in quantity to inter-
fere with the satisfac- Protected against
Dust protected tory operation of 5 5
the equipment; water jets
complete protection
against contact
No ingress of
dust; complete Protected against
Dust tight 6 6
protection against powerful water jets
contact
Protected against
the effects
7
of temporary
immersion in water
Protected against
8 the effects of
continuous
immersion in water
9
