Technical specifications
14.1 Standards, approvals and safety notes
Distributed I/O system
System Manual, 09/2019, A5E03576849-AJ
271
FM approval
Factory Mutual Research (FM) according to
● Approval Standard Class Number 3611, 3600, 3810
● ANSI/UL 12.12.01
● ANSI/ISA 61010-1
● CSA C22.2 No. 213
● CSA C22.2 No. 61010-1
● CSA C22.2 No. 0-10
APPROVED for use in Class I, Division 2, Group A, B, C, D Tx;
Class I, Zone 2, Group IIC Tx
Installation Instructions for FM
● WARNING – Explosion Hazard – Do not disconnect while circuit is live unless area is
known to be non-hazardous.
● WARNING - Explosion Hazard - Substitution of components may impair suitability for
Class I, Division 2 or Zone 2.
● This equipment is suitable for use in Class I, Division 2, Groups A, B, C, D; Class I,
Zone 2, Group IIC; or non-hazardous locations.
WARNING: EXPOSURE TO SOME CHEMICALS MAY DEGRADE THE SEALING
PROPERTIES OF MATERIALS USED IN THE RELAYS.
OR
ATEX approval
According to EN 60079-15 (Electrical apparatus for potentially explosive atmospheres; Type
of protection "n") and EN 60079-0 (Electrical apparatus for potentially explosive gas
atmospheres - Part 0: General Requirements)
OR
IECEx approval
According to IEC 60079-15 (Explosive atmospheres - Part 15: Equipment protection by type
of protection "n") and IEC 60079-0 (Explosive atmospheres - Part 0: Equipment - General
requirements)
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