A.4 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
EMC tests of immunity (type tests)
Relevant standards: IEC 60255‑6 and -22 (product standards), EN 61000‑6‑2 (generic
standard)
High frequency test IEC 60255‑22‑1, class III / IEEE C37.90.1, 2.5 kV (peak); 1 MHz
Discharge of static electricity IEC 60255‑22‑2, class IV and IEC 61000‑4‑2, class IV 8 kV
contact discharge; 15 kV air discharge
Radiated electromagnetic field disturbance, frequency sweep IEC 60255‑22‑3, class III
IEC 61000‑4‑3, class III 10 V/m; 80 MHz to 1000 MHz; 80 % AM; 1 kHz 10 V/m; 800 MHz to
960 MHz; 80 % AM; 1 kHz 20 V/m; 1.4 GHz to 2.0 GHz; 80 % AM; 1 kHz
Irradiation with RF field, single frequencies IEC 60255‑22‑3, IEC 61000‑4‑3, class III –
amplitude modulated – pulse modulated 10 V/m 80/160/450/900 MHz; 80 % AM; 1 kHz
Fast transients / burst IEC 60255‑22‑4 and IEC 61000‑4‑4 and IEEE C37.90.1 class IV 4 kV
High voltage spikes (SURGE), IEC 61000‑4‑5 installation class 4, auxiliary voltage pulse:
1.2/50 μs common mode: 4 kV; diff. mode: 2 kV
Relay outputs, common mode: 4 kV; diff. mode: 2 kV (valid for the signaling contact
100..240 V AC/60...250 V DC)
Line conducted high frequency, amplitude modulated IEC 61000‑4‑6, class III 10 V; 150 kHz to
80 MHz; 80 % AM; 1 kHz
Power frequency magnetic field IEC 60255‑6 IEC 61000‑4‑8, class IV 0.5 mT; 50 Hz, 30 A/m
permanent; 300 A/m for 3 s; 50 Hz
Radiated electromagnetic interference IEEE Std C37.90.2 35 V/m; 80 MHz to 1000 MHz
Appendix
A.4 Electrical tests (EEC devices)
SCALANCE X-300
Operating Instructions, 11/2019, A5E01113043-24 307
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