C-5 Compliance
AC30V series Variable Speed Drive
CONDUCTED EMISSION
The various standards have common roots (CISPR 11 & CISPR14) so there is some commonality in the test levels applied in different standards
and environments.
Relationship Between Standards
Product Specific Generic
Frequency (MHz)
dB(
V)
Category C1
Equivalent Not applicable
0.15 - 0.5
0.5 - 5.0
5.0 - 30.0
66
decreasing with log
of frequency to:
56
56
60
56
decreasing with log
of frequency to:
46
46
50
Category C2
Not applicable Equivalent
0.15 - 0.5
0.5 - 5.0
5.0 - 30.0
79
73
73
66
60
60
Category C3
These limits have no relationships with the
generic standards.
I ≤100A
0.15 - 0.5
0.5 - 5.0
5.0 - 30.0
100
86
90
decreasing with log
of frequency to:
70
90
76
80
decreasing with log
of frequency to:
60
I ≥100A
0.15 - 0.5
0.5 - 5.0
5.0 - 30.0
130
125
115
120
115
105
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