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IECEx UL 14.0089X certified. Each NI 9477 is marked
and is suitable for use in Zone 2 hazardous locations, in ambient
temperatures of -40 °C ≤ Ta ≤ 70 °C. If you are using the NI 9477
in Gas Group IIC hazardous locations, you must use the device in
an NI chassis that has been evaluated as Ex nC IIC T4, Ex IIC
T4, Ex nA IIC T4, or Ex nL IIC T4 equipment.
Caution
disturbances do not exceed 140% of the rated voltage.
Caution
not more than Pollution Degree 2, as defined in
IEC 60664-1.
Caution
ATEX/IECEx-certified enclosure with a minimum
ingress protection rating of at least IP54 as defined in
IEC/EN 60079-15.
Caution
accessible only by the use of a tool.
Electromagnetic Compatibility Guidelines
This product was tested and complies with the regulatory
requirements and limits for electromagnetic compatibility (EMC)
6 | ni.com | NI 9477 Getting Started Guide
You must make sure that transient
The system shall only be used in an area of
The system shall be mounted in an
The enclosure must have a door or cover
II 3G
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