Approvals
CP 1243-1 PCC
Operating Instructions, 02/2015, C79000-G8976-C384-01
65
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
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
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