Appendix
A.3 Electrical tests (EEC devices)
SCALANCE X-300
Operating Instructions, 02/2012, A5E01113043-12
311
A.3 Electrical tests (EEC devices)
Regulations / standards
● IEC 60255 (product standards)
● IEEE C37.90.0/.1/.2
● UL 508
Further standards: See individual tests.
Insulation test
Relevant standards: IEC 60255-5 and IEC 60870-2-1
Voltage test (routine test) for all circuits except communications and time synchronization
interfaces 2.5 kV (eff) 50 Hz / 3.5 kV DC
Voltage test (routine test) only for protected communications interfaces 500 V (eff) 50 Hz /
707 V DC
Voltage test (routine test) for all circuits except communications interfaces, class III 5 kV
(peak); 1.2/50 μs; 0.5 J