Siemens SIMATIC S7 Functional Safety Manual page 133

cULus approval
Underwriters Laboratories Inc. complying with:
● Underwriters Laboratories, Inc.: UL 508 Listed (Industrial Control Equipment)
● Canadian Standards Association: CSA C22.2 Number 142 (Process Control Equipment)
Note
The SIMATIC S7-1200 series meets the CSA standard.
The cULus logo indicates that the S7-1200 has been examined and certified by
Underwriters Laboratories (UL) to standards UL 508 and CSA 22.2 No. 142.
FM approval
Factory Mutual Research (FM)
Approval Standard Class Number 3600 and 3611
Approved for use in:
Class I, Division 2, Gas Group A, B, C, D, Temperature Class T3C Ta = 55 °C
Class I, Zone 2, IIC, Temperature Class T3 Ta = 55 °C
Canadian Class I, Zone 2 Installation per CEC 18-150
Substitution of components may impair the suitability for Class I, Division 2 and Zone 2.
Failure to comply with these guidelines could cause damage or unpredictable operation
which could result in death or severe personal injury and/or property damage.
Repair of units should only be performed by an authorized Siemens Service Center.
IECEx approval
EN 60079-0: Explosive Atmospheres – General Requirements
EN60079-15: Electrical Apparatus for Potentially Explosive Atmospheres;
Type of protection 'nA'
IECEX FMG14.0012X
Ex nA IIC Tx Gc
IECEx rating information may appear on the product with the FM Hazardous Location
information.
Only products marked with an IECEx rating are approved. Consult your local Siemens
representative if you need additional information related to the latest listing of exact
approvals by part number.
Relay models are not included in IECEx approvals.
Refer to specific product marking for temperature rating.
Install modules in a suitable enclosure providing a minimum degree of protection of IP54
according to IEC 60079-15.
S7-1200 Functional Safety Manual
Manual, 02/2015, A5E03470344-AA
WARNING
Technical specifications
A.1 General technical specifications
133