53
For ATEX and IECEx
n The installer shall provide transient over-voltage protection
external to the apparatus such that the voltage at the supply
terminal of the apparatus does not exceed 140% of the voltage
rating of the equipment.
n The installation shall provide a controlled environment that limits
the pollution degree to the pollution degree 2 or better as defined
in EN/IEC 60664-1.
n The equipment shall be mounted within a tool-secured enclosure
which meets the requirements of EN/IEC 60079-0, EN/IEC
60079-7 and is capable of accepting the application wiring
methods specified in EN/IEC 60079-14.
n The enclosure for the equipment shall provide a degree of
protection not less than IP54 in accordance with the test of
enclosure section of EN/IEC 60079-0 and EN/IEC 60079-7 unless
the equipment is afforded an equivalent degree of protection by
location.
Approved Standards for Division 2/Zone 2
Hazardous Location
Experion meets the following approvals standards:
US Approval Standards
Item Number
Nonincendive electrical equipment for use in Class I and II,
Division2 and Class III, Division 1 and 2 hazardous (classified)
locations
UL121201
(Ninth Edition)
Explosive atmospheres - Part 0: Equipment – General
Requirements
UL 60079-0
(Sixth Edition)
Explosive atmospheres - Part 7: Equipment protection by
increased safety "e"
UL 60079-7-
2017
Safety Requirements for Electrical Equipment for Measurement,
Control, and Laboratory Use - Part 1: General Requirements
UL Std. No.
61010-1 (3rd
Edition)
Chapter 7 - Special Condition of Use and Approved Standards
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