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12
INM F300 rev 7
10 IECEx SAFETY INSTRUCTIONS
10 .1 SPECIFIC CONDITIONS OF USE
Ex nA IIC T4 Gc, Ex ec IIC T4 Gc, Ex nA [ic] IIC T4 Gc and Ex ec [ic] IIC T4 Gc:
1. The apparatus is to be installed within an enclosure which maintains a minimum
ingress protection rating of IP54 in accodance with IEC 60079-0 and IEC 60079-15
as applicable.
2. Provisions shall be made externally to the apparatus to prevent the rated input
being exceeded by transient disturbances of more than 140% of the rated voltage.
3. The apparatus shall only be installed in an area of at least pollution degree 2, as
defined in IEC 60664-1.
See footnote.
Ex ic IIC T4 Gc FISCO
1. The apparatus is to be installed in an enclosure which maintains a minimum ingress
protection rating of IP54 and meets the enclosure requirements of IEC 60079-0
and IEC 60079-11.
Note: All MTL fieldbus power supplies are designed to protect the fieldbus trunk from transient
disturbances on the DC power feed and will meet the requirements of maintaining transient
disturbances below 140% of the rated voltage.
Содержание Crouse-Hinds MTL F300 Series
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