FOREIGN
BODIES
First Digit
LIQUIDS
Second Digit
0
No Protection
0
No Protection
1
Protected against solid objects greater than 50mm (e.g.
accidental touch by hands)
1
Protection against vertically falling drops of water (e.g.
condensation)
2
Protected against solid objects greater than 12mm (e.g.
fingers)
2
Protection against direct sprays of water up to 15 degrees
from the vertical
3
Protected against solid objects greater than 2.5mm (e.g.
tools and wires)
3
Protection against direct sprays of water up to 60 degrees
from the vertical
4
Protected against solid objects greater than 1mm (e.g.
small tools and wires)
4
Protection against water sprayed from all direction –
limited ingress permitted
5
Protected against dust, limited ingress (e.g. no harmful
deposits)
5
Protection against low pressure jets of water from all
direction – limited ingress permitted
6
Totally protected against dust
6
Protection against high pressure jets of water from all
direction – limited ingress permitted
7
Protection against the effects of immersion between 15cm
and 1m
8
Protection against long periods of immersion under
pressure
Fig.1.
‘IP’ (Ingress Protection) RATING
FIRST DIGIT
Protection Against ingress of foreign bodies e.g. tools, dust, finger, etc
SECOND DIGIT
Protection against ingress of liquids i.e. IP44 is protection against solid objects greater than 1mm and water sprayed from all directions
Fig.2.
Avoid installing in areas
of flooding