15
Protection relay and functionality tests
15.1
Electromagnetic compatibility tests
Table 1104: Electromagnetic compatibility tests
Description
Type test value
Reference
1 MHz/100 kHz burst disturb-
ance test
IEC 61000-4-18
IEC 60255-26, class III
IEEE C37.90.1-2002
• Common mode
2.5 kV
• Differential mode
2.5 kV
3 MHz, 10 MHz and 30 MHz
burst disturbance test
IEC 61000-4-18
IEC 60255-26, class III
• Common mode
2.5 kV
Electrostatic discharge test
IEC 61000-4-2
IEC 60255-26
IEEE C37.90.3-2001
• Contact discharge
8 kV
• Air discharge
15 kV
Radio frequency interference
test
10 V (rms)
f = 150 kHz...80 MHz
IEC 61000-4-6
IEC 60255-26, class III
10 V/m (rms)
f = 80...2700 MHz
IEC 61000-4-3
IEC 60255-26, class III
10 V/m
f = 900 MHz
ENV 50204
IEC 60255-26, class III
Fast transient disturbance
test
IEC 61000-4-4
IEC 60255-26
IEEE C37.90.1-2002
• All ports
4 kV
Surge immunity test
IEC 61000-4-5
IEC 60255-26
Table continues on the next page
1MRS757644 H
Protection relay and functionality tests
620 series
Technical Manual
1211
