Siemens SIMATIC RF300 System Manual page 447

Table A-9
Marking
Engineering Conditions of Acceptability
For use only in or with complete equipment where the acceptability of the combination is
determined by ULLLC. When installed in an end-product, consideration must be given to the
following:
• Reference temperatures on the unit enclosure were measured during heating test. The max
obtained temperature with condition C at Enclosure I was 81.5 °C. See chapter
"AUTOHOTSPOT" Additional Information for normal load condition details.
• The unit is completely encapsulated. Potting improve mechanical and thermal properties of
the unit.
• The following Production-Line tests are conducted for this product: Electric Strength,
Earthing Continuity
• The end-product Electric Strength Test is to be based upon a maximum working voltage of:
Primary-Earthed Dead Metal: 300 Vrms, 342 Vpk; Primary-SELV: 300 Vrms, 613 Vpk
• The following secondary output circuits are SELV: 24 Vdc output of the unit.
• The following secondary output circuits are at non-hazardous energy levels: 24 Vdc output.
• The following secondary output circuits are supplied by a Limited Power Source: 24 Vdc
output.
• The following output terminals were referenced to earth during performance testing:
Terminal P4 (-) during DETERMINATION OF WORKING VOLTAGE - WORKING VOLTAGE
MEASUREMENT TEST.
• The maximum investigated branch circuit rating is: 20 A
• The investigated Pollution Degree is: 2
• Proper bonding to the end-product main protective earthing termination is: Required
• An investigation of the protective bonding terminals has: Been conducted
• The following input terminals/connectors must be connected to the end-product supply
neutral:
Please see chapter "AUTOHOTSPOT".
SIMATIC RF300
System Manual, 02/2021, C79000-G8976-C345-09
Approvals for wide-range power supply unit for SIMATIC RF systems (USA): 6GT2898-0AC20
Description
This product is UL-certified for the US and Canada.
It meets the following safety standards:
• UL 60950-1
Information Technology Equipment - Safety - Part 1: General Requirements
• CAN/CSA C22.2 No. 60950-1-07
Safety of Information Technology Equipment.
• cURus +CB - UL/IEC 60950-1
and Limited power source under UL 1310
• UL Report E 205089
Appendix
A.2 Accessories
447