Specification
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3.9.8 ENCLOSURE CLASSIFICATIONS
3.9.8.1 IP CLASSIFICATIONS
The modules specification under BS EN 60529 Degrees of protection provided by enclosures
IP65 (Front of module when module is installed into the control panel with the optional sealing gasket).
IP42 (Front of module when module is installed into the control panel WITHOUT being sealed to the panel)
First Digit
Second Digit
Protection against contact and ingress of solid objects
Protection against ingress of water
0
No protection
0
No protection
1
Protected against ingress solid objects with a diameter
of more than 50 mm. No protection against deliberate
access, e.g. with a hand, but large surfaces of the body
are prevented from approach.
1
Protection against dripping water falling vertically. No
harmful effect must be produced (vertically falling drops).
2
Protected against penetration by solid objects with a
diameter of more than 12 mm. Fingers or similar objects
prevented from approach.
2
Protection against dripping water falling vertically. There
must be no harmful effect when the equipment
(enclosure) is tilted at an angle up to 15° from it s normal
position (drops falling at an angle).
3
Protected against ingress of solid objects with a
diameter of more than 2.5 mm. Tools, wires etc. with a
thickness of more than 2.5 mm are prevented from
approach.
3
Protection against water falling at any angle up to 60°
from the vertical. There must be no harmful effect (spray
water).
4
Protected against ingress of solid objects with a
diameter of more than 1 mm. Tools, wires etc. with a
thickness of more than 1 mm are prevented from
approach.
4
Protection against water splashed against the equipment
(enclosure) from any direction. There must be no harmful
effect (splashing water).
5
Protected against harmful dust deposits. Ingress of dust
is not totally prevented but the dust must not enter in
sufficient quantity to interface with satisfactory operation
of the equipment. Complete protection against contact.
5
Protection against water projected from a nozzle against
the equipment (enclosure) from any direction. There must
be no harmful effect (water jet).
6
Protection against ingress of dust (dust tight). Complete
protection against contact.
6
Protection against heavy seas or powerful water jets.
Water must not enter the equipment (enclosure) in
harmful quantities (splashing over).
