Table 24. Electromagnetic compatibility tests, continued
Description
Type test value
Reference
Power frequency immunity
test
• Common mode
• Differential mode
Binary inputs only
300 V rms
150 V rms
IEC 60255-22-7, class A
IEC 61000-4-16
Voltage dips and short
interruptions
30%/10 ms
60%/100 ms
60%/1000 ms
>95%/5000 ms
IEC 61000-4-11
Electromagnetic emission
tests
EN 55011, class A
IEC 60255-25
• Conducted, RF-emission
(mains terminal)
0.15...0.50 MHz
< 79 dB(µV) quasi peak
< 66 dB(µV) average
0.5...30 MHz
< 73 dB(µV) quasi peak
< 60 dB(µV) average
• Radiated RF-emission
30...230 MHz
< 40 dB(µV/m) quasi peak,
measured at 10 m distance
230...1000 MHz
< 47 dB(µV/m) quasi peak,
measured at 10 m distance
Transformer Protection and Control
1MRS756978 D
RET630
Product version: 1.1
Issued: 2011-05-18
26
ABB