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E E ngineering 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:
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
The equipment is suitable for direct connection to: AC mains supply
Output is supplied by circuit that complies with NEC Class 2 requirements (additional
SIMATIC RF600
System Manual, 06/2019, J31069-D0171-U001-A22-7618
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
"Technical specifications (Page 488)" 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.
neutral:
Please see chapter "Mounting & connecting (Page 485)".
evaluation acc. UL1310 has been conducted during the product investigation).
10.1 Wide-range power supply unit for SIMATIC RF systems
Accessories
493
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