Siemens SIMATIC S7-300 Manual page 20

General technical data
1.1 Standards and certifications
UL certification
Underwriters Laboratories Inc., to
● UL 508 (Industrial Control Equipment)
CSA certification
Canadian Standards Association to
● C22.2 No. 142 (Process Control Equipment)
or
Underwriters Laboratories Inc., to
● UL 508 (Industrial Control Equipment)
● CSA C22.2 No. 142 (Process Control Equipment)
or
Underwriters Laboratories Inc., to
● UL 508 (Industrial Control Equipment)
● CSA C22.2 No. 142 (Process Control Equipment)
● UL 1604 (Hazardous Location)
● CSA-213 (Hazardous Location)
APPROVED for use in
Class I, Division 2, Group A, B, C, D Tx;
Class I, Zone 2, Group IIC Tx
1-2
S7-300 Automation System Module data
Manual, 08/2006, A5E00105505-04