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ATEX
ATEX approval: II 3 G Ex nA IIC T4 Gc
Relevant standards:
● EN 60079-0:2006: Potentially explosive atmosphere - general requirements
● EN 60079-15:2005: Electrical apparatus for explosive gas atmospheres; type of
protection 'n'
The device is suitable for use in environments with pollution degree 2.
The device is suitable for use only in environments that meet the following conditions:
● Class I, Division 2, Group A, B, C, D and areas where there is no risk of explosion
● Class I, Zone 2, Group IIC and areas where there is no risk of explosion
Installation guidelines
The product meets the requirements if you keep to the following during installation and
operation:
• The notes in the section Important notes on using the device (Page 21)
• The installation instructions in the document /1/ (Page 69)
Over and above this, the following conditions must be met for the safe deployment of the CP:
● Install the modules in a suitable enclosure with degree of protection of at least IP54 to
EN 60529 and take into account the environmental conditions for operation of the
devices.
● If the rated temperatures of 70°C at the cable entry or 80°C at the branching point of the
wires are exceeded, the permitted temperature range of the selected cable must be
suitable for the actual measured temperatures.
● Measures must be taken to prevent the rated voltage being exceeded by more than 40%
due to transient disturbances.
Siemens Automation
CP 1243-1 PCC
Operating Instructions, 02/2015, C79000-G8976-C384-01
WARNING
Approvals
65
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