)
–
its sealing against the ingress water
The type protection defined two
degrees protection accordance with
IEC 529:
–
degree shock-hazard protection and
protection against ingress solid foreign
bodies (1st digit)
–
degree protection against the ingress
of water (2nd digit)
IP 3
INGRESS PROTECTION
Protection against ingress solid foreign bodies
having (medium-sized solid bodies),
insertion fingers objects. There must be
no adverse effect (spray water).172
The Lighting Handbook
Degrees protection
Degrees protection indicate the following
properties equipment:
–
the quality its protection against direct
contact
–
its sealing against ingress solid foreign
bodies (dust, stones, sand, etc.5 mm
Protection against solid bodies mm
Dust-protected (limited ingress dust)
Dust-tight (no ingress dust)
Protection against moisture per second digit
IPX0
IPX1
IPX2
IPX3
IPX4
IPX5
IPX6
IPX7
IPX8
No special protection
Drip-proof protection against water drops
Protection against water drops 15º from the vertical
Rainproof protection against spray water 60º
Splash-proof protection against spray water from all directions
Jet-proof protection against jets water
Protection against heavy seas (conditions ship decks)
Watertight protection against immersion (pressure and time specified)
Protection against immersion under pressure (with instructions from manufacturer)
For example
IP23:
.
Degrees protection for technical luminaires
Protection against ingress solid foreign bodies per first digit
IP0X
IP1X
IP2X
IP3X
IP4X
IP5X
IP6X
Unprotected against ingress solid foreign bodies
Protection against solid bodies mm
Protection against solid bodies mm
Protection against solid bodies 2.
Protection against ingress water falling at
any angle 60º from vertical