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IP Ratings

 

Table 1 - IP rating 1st digit

IP Rating
(1st digit)
Meaning for protection
of Equipment Against
Solid Objects
Tested by Meaning for Protection
of Persons (Protected
Against Access to
Hazardous Parts)
0 No protection None No protection
1 Solid objects 50 mm 50mm dia. sphere applied
with 50N force.
Accidental touch by back of hand
2 Solid objects 12.5 mm 12.5 mm dia. sphere applied
with 30N force.
Accidental touch by fingers
3 Solid objects 2.5 mm 2.5 mm dia. steel rod
applied with 3N force.
Accidental touch by tool
4 Solid objects 1 mm 1 mm dia. steel wire applied
with 1N force
Accidental touch by small wire
5 Dust-protected (limited
ingress, no harmful
deposit)
Dust chamber with or without
under-pressure
Accidental touch by small wire
6 Dust-tight (totally
protected against dust)
Dust chamber with
under-pressure
Accidental touch by small wire

 

Table 2 - IP Rating 2nd digit

IP Rating
(2nd digit)
Protection against water with harmful effects Tested by Meaning for Protection
from water
0 No protection None No protection
1 Vertically Dripping Drip box for
10 min
Falling drops of water, condesation
2 Dripping 15º from the vertical Drip box 2.5 min per side. Direct light streams of water up to 15º from the vertical
3 Spraying Oscillating Tube ±60º, 10 min, 10 I/min Direct light streams of water, upto 60º from the vertical
4 Splashing Oscillating Tube ±180º, 10 min, 10 I/min Water sprayed from all directions, limited ingress
5 Jetting 6.3 mm dia. nozzle from 2.5 to 3 Meters distance,12.5 I/min for 3 min Low pressure water jets from all directions, limited ingress
6 Powerful Jetting 6.3 mm dia. nozzle from 2.5 to 3 Meters distance,100 I/min for 3 min Strong jets of water, limited ingress
7 Temporary Immersion Immersed in tank with water 0.15 m below top and 1 m above bottom for 30 min. Protected against the effects of temporary immersion in water
8 Continuous Immersion water level and time Protected against the effects of continuous immersion in water

 

IQC IQC
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