Ex p relay
Power
Safety
20190910_Manual_Exp-Relais_Power_en.docx
Rev. 0
Page 11 of 24
Obligations of the owner
The owner undertakes to restrict permission to work with and on the Ex p power
relay control unit to people who:
are familiar with the basic regulations on safety and accident prevention
and have been instructed in the use of the Ex p power relay;
have read and understood the documentation, the chapter on safety and
the warnings.
The owner must check that the safety regulations and accident prevention
rules valid for the respective application are observed.
Instructions for use
The control unit must be completely installed in an enclosure that meets
the requirements for the enclosure according to IEC 60079-0 with a
minimum degree of protection of IP 54 for EPL Gb and IP 6X for EPL Db.
The overvoltage category II of the non-intrinsically safe circuits according
to IEC 60664-1 must be observed.
The warning “WARNING – DO NOT OPEN UNDER VOLTAGE” must be part of
the external marking of the entire electrical device or the enclosure must
have a locking system to prevent the fuses from being energised during
replacement.
Standards complied with
Standard
Designation
EN IEC 60079-0:2018
IEC 60079-0:2017
Explosive atmospheres – Part 0: General
requirements
EN 60079-5:2015
IEC 60079-5:2015
Explosive atmospheres - Part 5: Equipment
protection by powder filling "q"
EN 60079-7:2015
IEC 60079-7:2015
Explosive atmospheres – Part 7: Equipment
protection by increased safety “e“
EN 60079-31:2014
IEC 60079-31:2013
Explosive atmospheres - Part 31:
Equipment dust ignition protection by enclosure
“t”
EN 61000-6-4:2019
IEC 61000-6-4:2018
Electromagnetic compatibility (EMC) –
Part 6-4: Generic standards – Emission standard
for industrial environments
EN 61000-6-2:2019
IEC 61000-6-2:2016
Electromagnetic compatibility (EMC) - Part 6-2:
Generic standards - Immunity standard for
industrial environments
