Appendix
42
12.2 ENCLOSURE CLASSIFICATIONS
12.2.1
IP CLASSIFICATIONS
TemTransfer 2 series 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 supplied 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 its
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).
