Pfeiffer Vacuum TTR 101 Manuel De L'utilisateur page 43

ETL LISTED
The products TTR 101 and TTR 101 S2
- conform to the UL standard
- are certified to the CAN/CSA standard
3103457
UL 61010-1, issued 2004/07/12, Ed. 2, Rev. 2008/10/28.
CAN/CSA C22.2 No. 61010-1, issued 2004/07/12, Ed. 2, Rev. 2009.