16
Liquid ingress protection
The second digit indicates the level of protection that the enclosure provides against
harmful ingress of water.
Dripping water (vertically
falling drops) shall have no
harmful effect.
Test duration: 10 minutes
Water equivalent to 1 mm
rainfall per minute
Dripping
water when
tilted up to
15°
Vertically dripping water
shall have no harmful effect
when the enclosure is tilted
at an angle up to 15° from
its normal position.
Test duration: 10 minutes
Water equivalent to 3 mm
rainfall per minute
Water falling as a spray at
any angle up to 60° from
the vertical shall have no
harmful effect.
Test duration: 5 minutes
Water volume: 0.7 litres per
minute
Pressure: 80–100 kPa
Water splashing against
the enclosure from any
direction shall have no
harmful effect.
Test duration: 5 minutes
Water volume: 10 litres per
minute
Pressure: 80–100 kPa
Water projected by a
nozzle (6.3 mm) against
enclosure from any
direction shall have no
harmful effects.
Test duration: at least
15 minutes
Water volume: 12.5 litres per
minute
Pressure: 30 kPa at distance
of 3 m
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