4ECHNICAL )NFORMATION
$EGREE OF 0ROTECTION
%LECTRICAL DEVICES TO WHICH CONNECTORS BELONG TO HAVE TO BE PROTECTED FOR
SAFETY REASONS FROM OUTSIDE INFLUENCES LIKE DUSTꢉ FOREIGN OBJECTSꢉ DIRECT
CONTACTꢉ MOISTURE AND WATERꢎ 4HIS PROTECTION IS PROVIDED ON INDUSTRIAL
CONNECTORS BY ITS HOUSINGS WITH THEIR LATCHING DEVICES AND SEALED CABLE
ENTRIESꢎ 4HE DEGREE OF PROTECTION CAN BE SELECTED DEPENDING ON THE TYPE OF
INTENDED USEꢎ 4HE STANDARD )%# ꢅꢂꢊꢈꢑ ANDꢃOR $). %. ꢅꢂꢊꢈꢑꢃ6$% ꢂꢍꢄꢂ
0ART ꢁ HAS SPECIFIED THE DEGREE OF PROTECTION AND DIVIDED INTO SEVERAL CLASSESꢎ
#HART ꢀ
ꢁND CHARACTꢈ "RIEF DESCRIPTION
NUMERAL
$EFINITION
ꢂ
ꢁ
.ONꢇPROTECTED
n
0ROTECTED AGAINST VERTICALLY
FALLING WATER DROPS
6ERTICALLY FALLING DROPS SHALL
HAVE NO HARMFUL EFFECTSꢎ
4HE DEGREE OF PROTECTION IS INDICATED IN THE FOLLOWING WAYꢐ
)0ꢅꢊ
ꢈ
#ODE LETTERS
0ROTECTED AGAINST VERTICALLY
FALLING WATER DROPS WHEN
ENCLOSURE TILTED UP TO ꢁꢊª
6ERTICALLY FALLING DROPS SHALL
HAVE NO HARMFUL EFFECTS WHEN
THE ENCLOSURE IS TILTED AT ANY
ANGEL UP TO ꢁꢊª ON EITHER SIDE
OF THE VERTICALꢎ
ꢆ)NTERNATꢎ 0ROTECTIONꢋ
ꢁST CHARACTꢎ NUMERAL ꢆDEGREE OF PROTECTION AGAINST ACCESS
TO HAZARDOUS PARTS AND AGAINST SOLID FOREIGN OBJECTSꢋ
ꢈND CHARACTꢎ NUMERAL ꢆDEGREE OF PROTECTION AGAINST INGRESS OF WATERꢋ
4HE FOLLOWING CHARTS ꢍ AN ꢊ GIVE AN OVERVIEW ABOUT ALL PROTECTION DEGREESꢎ
ꢀ
0ROTECTED AGAINST SPRAYING
WATER
7ATER SPRAYED AT AN ANGLE UP
TO ꢅꢂª ON EITHER SIDE OF THE
VERTICAL SHALL HAVE NO HARMFUL
EFFECTSꢎ
#HART ꢋ
ꢃST CHARACTꢈ "RIEF DESCRIPTION
NUMERAL
$EFINITION
ꢍ
ꢊ
ꢅ
7ATER SPLASHED AGAINST THE
ENCLOSURE FROM ANY DIRECTION
SHALL HAVE NO HARMFUL EFFECTSꢎ
0ROTECTED AGAINST SPLASHING
WATER
ꢂ
.ONꢇPROTECTED
n
ꢁ
0ROTECTED AGAINST ACCESS TO
4HE PROBEꢉ SPHERE OF ꢊꢂMM
7ATER PROJECTED IN JETS AGAINST
THE ENCLOSURE FROM ANY
DIRECTION SHALL HAVE NO HARMFUL
EFFECTSꢎ
0ROTECTED AGAINST WATER JETS
HAZARDOUS PARTS WITH THE BACK ꢉ SHALL NOT FULLY PENETRATE AND
OF A HANDꢎ 0ROTECTED AGAINST SHALL HAVE ADEQUATE CLEARANCE
SOLID FOREIGN OBJECTS OF
FROM HAZARDOUS PARTSꢎ
* ꢊꢂMM ꢎ
7ATER PROJECTED IN POWERFUL
JETS AGAINST THE ENCLOSURE
FROM ANY DIRECTION SHALL HAVE NO
HARMFUL EFFECTSꢎ
0ROTECTED AGAINST POWERFUL
WATER JETS
4HE JOINTED TEST FINGER OF
ꢁꢈMM ꢉ ꢌꢂMM LENGTHꢉ
SHALL HAVE ADEQUATE CLEARANCE
FROM HAZARDOUS PARTSꢎ 4HE
PROBEꢉ SPHERE OF ꢁꢈꢉꢊMM ꢉ
SHALL NOT FULLY PENETRATEꢎ
ꢈ
0ROTECTED AGAINST ACCESS TO
HAZARDOUS PARTS WITH A FINGERꢎ
0ROTECTED AGAINST SOLID
FOREIGN OBJECTS OF
* ꢁꢈꢉꢊMM ꢎ
ꢄ
ꢌ
)NTRUSION OF WATER IN QUANTITIES
CAUSING HARMFUL EFFECTS
SHALL NOT BE POSSIBLE WHEN
THE ENCLOSURE IS TEMPORALILY
IMMERSED IN WATER FOR ꢀꢂ MINꢎ
IN ꢁM DEPTHꢎ
0ROTECTED AGAINST THE EFFECTS
OF TEMPORARY IMMERSION IN
WATER
ꢀ
0ROTECTED AGAINST ACCESS
TO HAZARDOUS PARTS WITH A
TOOLꢎ 0ROTECTED AGAINST SOLID
FOREIGN OBJECTS OF
4HE PROBE OF ꢈꢉꢊMM SHALL
NOT PENETRATE AT ALLꢎ
* ꢈꢉꢊMM ꢎ
0ROTECTED AGAINST THE EFFECTS
OF CONTINOUS IMMERSION IN
WATER
)NTRUSION 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 ꢄꢎ
4HE PROBE OF ꢁMM SHALL
NOT PENETRATE AT ALLꢎ
ꢍ
ꢊ
0ROTECTED AGAINST ACCESS TO
HAZARDOUS PARTS WITH A WIREꢎ
0ROTECTED AGAINST SOLID
FOREIGN OBJECTS OF * ꢁMM ꢎ
0ROTECTED AGAINST ACCESS TO
HAZARDOUS PARTS WITH A WIREꢎ NOT PENETRATEꢎ
4HE PROBE OF ꢁMM SHALL
$USTꢇPROTECTEDꢎ
)NTRUSION OF DUST IS NOT
TOTALLY PREVENTEDꢉ BUT DUST
SHALL NOT PENETRATE IN A QUANTITY
TO INTERFERE WITH SATISFACTORY
OPERATION OF THE DEVICE OR TO
IMPAIR SAFETYꢎ
ꢑ+ ꢁꢋ
0ROTECTED AGAINST WATER
7ATER PROJECTED IN POWERFUL
DURING HIGH PRESSUREꢃSTEAM JETS WITH HIGH PRESSURE AGAINST
JET CLEANING
THE ENCLOSURE FROM ANY
DIRECTION SHALL HAVE NO HARMFUL
EFFECTSꢎ
0ROTECTED AGAINST ACCESS TO
HAZARDOUS PARTS WITH A WIRE
$USTꢇTIGHTꢎ
4HE PROBE OF ꢁMM SHALL
NOT PENETRATEꢎ
.O INTRUSSION OF DUSTꢎ
ꢅ
ꢁꢋ 2EMARKꢐ .UMERAL ACCꢎ TO $). ꢍꢂꢂꢊꢂ PART ꢑꢉ VEHICLES )0 CODEꢎ
!MPHENOL
ꢁꢊ