Siemens Simatic 620 - Manual (Page 19)

Important Information
1-7
SIMATIC Box PC 620 Manual
A5E00131465-01
1.3 Certification for the USA, Canada and Autralia
Security
One of the following markings on a device is indicative of the corresponding
approval:
Underwriters Laboratories (UL) to the UL 1950 Standard (I.T.E)
or to the UL508 (IND.CONT.EQ)
Underwriters Laboratories (UL) to the Canadian Standard C22.2 No. 950
(I.T.E) or to the C22.2 No. 142 (IND.CONT.EQ)
Underwriters Laboratories (UL) to Standard UL 1950, Report E11 5352 and to
the Canadian Standard C 22.2 No.950 (I.T.E)
or to the UL508 and C22.2 No. 142 (IND.CONT.EQ) or to the UL508 and C22.2 No. 142 (IND.CONT.EQ)
UL-Recognition-Mark
Canadian Standard Association (CSA) to standard C22.2. No. 950
(LR 81690) or to C22.2 No. 142 (LR 63533)
Canadian Standard Association (CSA) to the American Standard UL 1950
(LR 81690) or to the UL 508 (LR 63533)
C
NRTL
C US