Operating instructions

Appendix
110
Pepperl+Fuchs Inc. • 1600 Enterprise Parkway • Twinsburg, Ohio 44087-2245 • www.am.pepperl-fuchs.com
Telephone [phone] • FAX [phone] • E-Mail: [e-mail]
®
PEPPERL+FUCHS
IP Ratings
Definition:
The first numeral defines the amount of
protection against penetration of solid objects into
the housing.
The second numeral defines the amount
of protection against liquids penetrating the housing.
A
dditional information on ratings can be found
in the following chart or the 1976 IEC Publication,
Classification of Degrees of Protection Provided
by Enclosures.
Example: What is IP67?
Complete protection of live parts. Protection
against the penetration of dust. Additionally,
it will be protected while immersed in water.
Testing Criteria:
1. Test Class: IP67 test
Conditions: 1m head of water over the test
piece for a duration of 30 minutes.
Room temperature ±5°C
Test: Insulation and operation
2. Test Class: IP68 test (Encapsulated products)
Conditions: 1m head of water over the test
piece for 24 hours of operation
under water, with cyclical
activation and deactivation
under nominal loading
Cycle time 2 hours
Room temperature ±5°C
Test: Insulation and operation
IP
Degree of Protection
Against Contact and
Entrance of Solid Foreign Bodies
Degree of Protection
Against Ingress of Liquid
Numeral Degree of Protection
0 No protection
1 Protection against drops
of condensed water. Condensed
water falling on housing shall have no
effect.
2 Protection against drops of liquid.
Drops of falling liquid shall have no
effect when housing is tilted to 15°
from vertical.
3 Protection against rain. No harmful
effect from rain at angle less than 60°
from vertical.
4 Protection against splashing from any
direction.
5 Protection against water jets from any
direction.
6 Protection against conditions on
ships' decks. Water from heavy seas
will not enter.
7 Protection against immersion in water
for the stated conditions.
8 Pr
9 Protection against high pressure,
high temperature washdown
otection against indefinite
immersion in water at a specified
pressure.
Numeral Degree of Protection
0 No protection against
contact or entry of solids
1 Protection against accidental
contact by hand, but
not deliberate contact.
Protection against large
objects.
2 Protection against contact
by fingers. Protection against
medium-size for
eign objects.
3 Protection against contact
by most tools, wires and
small objects.
4 Protection against contact
by small tools, wires and
small objects.
5 Protection against contact
with energized or moving
parts, and against deposits
of dust.
6 Protection from energized or
moving parts, and against
penetration of dust.