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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)
Personal injury and material damage can be incurred.
In potentially explosive atmospheres, personal injury and material damage can be incurred
if plug connections are disconnected during operation.
In potentially explosive atmospheres, only disconnect the plug connections of all components
when they are not under current.
cULus HAZ. LOC. - approval
HAZ. LOC.
Underwriters Laboratories Inc. in accordance with
● UL 508 (Industrial Control Equipment)
● ISA 12.12.01 (Hazardous Location)
● CSA C22.2 No. 142 (Process Control Equipment)
● CSA C22.2 No. 213 (Hazardous Location)
APPROVED for use in
● Class I, Division 2, Group A, B, C, D Tx;
● Class I, Zone 2, Group IIC Tx
Note the following information:
Note
This product must be installed according to the NEC (National Electric Code) stipulations.
When used in environments according to class I, division 2 (see above), S7-400 must be
mounted in an enclosure that corresponds to at least IP54 according to EN 60529.
Compact FF Link
Operating Instructions, 03/2015, A5E35651552-AA
WARNING
R
Technical data
12.1 General technical data
79
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