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Surge Protection
DEHN SE + Co KG
Hans-Dehn-Str. 1
Tel. +49 9181 906-0
Lightning Protection
Postfach 1640
www.dehn-international.com
Safety
Equipment
92306 Neumarkt
DEHN
protects.
Germany
Protective clothing against the thermal hazards of an electric arc
This protective clothing protects the wearer against the thermal hazards of an electric arc according to the tested protection level /
protection class. This standard specifies basic requirements and calls for a test with an electric arc. The material and garment are
tested either according to IEC 61482-1-1 (determination of the ATPV) or IEC 61482-1-2 (box test). Predecessor standard (box test):
EN 61482-1-2. The tested protective clothing does not substitute electrical insulating protective clothing as for example according to
EN 50286:1999 “Electrical insulating protective clothing for work on low-voltage installations”. To ensure full personal protection,
additional suitable protective equipment such as helmet/visor, protective gloves, etc. must be worn.
This protective clothing protects the wearer from the thermal effects of a defined electric arc and prevents flame spread. It protects
the wearer from a specific type of heat when exposed to an electric arc. The heat many be convective, caused by liquid metal splashes
or be a combination of these types.
Box test:
Test and classification of the arc fault resistance of material and finished part and determination of the protection class
Class 1 = 4 kA – 0.5 s
Class 2 = 7 kA – 0.5 s
Class 2 personal protective equipment offers a higher degree of protection than class 1.
ATPV test:
Test of the heat resistance of the material
Determination of the arc thermal performance value for the heat incident energy limit measured and specified in cal/cm2 or kJ/m2.
Constant test current of 8 kA
The test is performed with a non-directed electric arc.
Measured with the maximum incident energy with a probability of 50% that a second-degree burn occurs if the material is not
broken.
To ensure full personal protection, additional suitable protective equipment such as helmet/visor, protective gloves, etc. must be worn.
The tested protective clothing does not substitute electrical insulating protective clothing as for example according to EN 50286:1999
“Electrical insulating protective clothing for work on low-voltage installations”.
Clothing for protection against heat and flame according to EN ISO 14116:2015
This standard specifies the requirements for the limited flame spread of material, material combinations and protective clothing. This
clothing provides protection against unintentional brief contact with small flames and minor risks resulting from heat or another heat
source. This protective clothing meets the minimum requirements concerning protection against heat and flames and is, among other
things, used to certify shirts.
Protective clothing with index 1 must not be worn directly next to the skin. It may only be used outside a garment with
index 2 or index 3 and must not touch the skin, e.g. at the neck and wrists.
The protective clothing is not suited for welding (EN ISO 11611).
Flame spread DIN EN ISO 15025 procedure A
(no flame spread to the specimen edge)
Flaming debris
(flaming debris is not allowed)
Afterglow
Afterglow time of max. 2 seconds
Hole formation
(no specimen shall give hole formation of more than 5 mm)
Afterflame
(afterflame time of each individual specimen shall be less than 2 seconds)
Protective clothing is sub-divided into three classes:
Classification
Index 1
Index 2
Index 3
Date of manufacture (e.g. 02/2019 = February 2019)
Month/year
User information
EN 14116:2015
Index 3
IEC 61482-2:2018
APC 2
