C 16-3
Technical Information
Chart 5
Degree of protection
2nd charact. Brief description
numeral
Definition
Electrical devices to which connectors belong to have to be protected for
safety reasons from outside influences like dust, foreign objects, direct
contact, moisture and water. This protection is provided on industrial
connectors by its housings with their latching devices and sealed cable
entries. The degree of protection can be selected depending on the type of
intended use. The standard IEC 60529 and/or DIN EN 60529 has specified
0
1
Non-protected
Protected against vertically
falling water drops
–
Vertically falling drops shall
have no harmful effects.
the degree of protection and divided into several classes.
2
3
Protected against vertically
falling water drops when
enclosure tilted up to 15°
Vertically falling drops shall
have no harmful effects when
the enclosure is tilted at any
angel up to 15° on either side
of the vertical.
The degree of protection is indicated in the following way:
IP 65
Code letters
(Internat. Protection)
1st charact. numeral (degree of protection against access
to hazardous parts and against solid foreign objects)
2nd charact. numeral (degree of protection against ingress of water)
Protected against spraying
water
Water sprayed at an angle up
to 60° on either side of the
vertical shall have no harmful
effects.
The following charts 4 and 5 give an overview about all protection degrees.
Chart 4
4
5
Protected against splashing
water
Water splashed against the
enclosure from any direction
shall have no harmful effects.
1st charact. Brief description
numeral
Definition
Protected against water jets
Water projected in jets against
the enclosure from any
direction shall have no harmful
effects.
0
1
Non-protected
Protected against access
–
The probe, sphere of 50mm
to hazardous parts with the Ø, shall not fully penetrate
back of a hand. Protected
against solid foreign
objects of ≥50mm Ø.
and shall have adequate
clearance from hazardous
parts.
6
7
Protected against powerful
water jets
Water projected in powerful
jets against the enclosure
from any direction shall have
no harmful effects.
2
Protected against access
to hazardous parts with a
finger.
Protected against solid
foreign objects of
≥12,5mm Ø.
The jointed test finger of
12mm Ø, 80mm length,
shall have adequate clearance
from hazardous parts. The
probe, sphere of 12,5mm Ø,
shall not fully penetrate.
Protected against the effects
of temporary immersion in
water
Intrusion of water in quantities
causing harmful effects
shall not be possible when
the enclosure is temporalily
immersed in water for 30 min.
in 1m depth.
3
4
5
Protected against access to
hazardous parts with a tool.
Protected against solid foreign
objects of ≥2,5mm Ø.
The probe of 2,5mm Ø shall
not penetrate at all.
8
Protected against the effects
of continous immersion in
water
Intrusion of water in quantities
causing harmful effects shall
not be possible when the
enclosure is continuously
immersed in water under
conditions which shall be
agreed between manufacturer
and user but which are more
severe than for numeral 7.
Protected against access to
hazardous parts with a wire.
Protected against solid
The probe of 1mm Ø shall
not penetrate at all.
foreign objects of ≥1mm Ø.
Protected against access to
hazardous parts with a wire.
Dust-protected.
The probe of 1mm Ø shall
not penetrate.
Intrusion of dust is not
totally prevented, but dust
shall not penetrate in a
quantity to interfere with
satisfactory operation of the
device or to impair safety.
1)
9 K
Protected against water
during high pressure/steam
jet cleaning
Water projected in powerful
jets with high pressure against
the enclosure from any
direction shall have no harmful
effects.
1) Remark: Numeral acc. to DIN 40050 part 9, vehicles IP code
6
Protected against access to
hazardous parts with a wire
Dust-tight.
The probe of 1mm Ø shall
not penetrate.
No intrussion of dust.
26
Amphenol
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