Emerson Rosemount FOUNDATION 848T Quick Start Manual page 29

December 2021
3. The electrical circuit is connected directly to earth; this must be
taken into account when installing the apparatus.
6.6.4 NC ATEX Zone 2 Component (without enclosure)
Certificate Baseefa09ATEX0094U
Standards EN IEC 60079-0:2018, EN 60079-7:2015 + A1:2018, EN
Markings
Schedule of Limitations (U):
1. The equipment must only be installed in an area of pollution degree
2 or better, as defined in IEC 60664-1, and in an enclosure that
provides a degree of protection of at least IP54 in accordance with EN
60079-0.
2. Provision must be made, external to the component, to ensure the
rated voltage of the component supply is not exceeded by transient
disturbances of more than 40 percent.
3. The electrical circuit is connected directly to earth; this must be
taken into account when installing the apparatus.
6.7 International
6.7.1 I7 IECEx Intrinsic Safety
Certificate
Standards
Markings
Special Conditions for Safe Use (X):
1. The apparatus must be installed in an enclosure that provides a
degree of protection of at least IP20. Non-metallic enclosures must
be suitable to prevent electrostatic hazards and light alloy or
zirconium enclosures must be protected from impact and friction
when installed.
2. The apparatus is not capable of withstanding the 500 V insulation
test required by IEC 60079-11:2011, clause 6.3.13. This must be
taken into account when installing the appartus.
Quick Start Guide
60079-15:2010
II 3G Ex nA IIC T4 Gc (-50 °C ≤ T
Gc (-50 °C ≤ T ≤ +70 °C), Ex ec IIC T4 Gc (-50 °C ≤ T
a
or Ex ec IIC T5 Gc (-50 °C ≤ T
IECEx BAS 09.0030X
IEC 60079-0:2017, IEC 60079-11:2011
Ex ia IIC T4 Ga (–50 °C ≤ T
≤ +85 °C) or Ex nA IIC T5
a
≤ +70 °C)
a
≤ +60 °C)
a
Quick Start Guide
≤ +85 °C)
a
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