Class 2: Filtered Industrial
This level of performance will allow the manufacturer/assembler to self-certify their apparatus for compliance
with the EMC directive for the industrial environment as regards the EMC performance characteristics of the
power drive system. Performance limits are as specified in the Generic Industrial Emissions and Immunity
standards EN 50081-2 and EN 50082-2.
EMC Phenomenon Standard Level
Emissions:
Radiated Emissions EN 55011 Level A1
Conducted Emissions EN 55011 Level A1
Immunity:
Supply Voltage Distortion IEC 1000-2-4 (1993)
Voltage Fluctuations, Dips, Unbalance,
Frequency Variations
IEC 1000-2-1
Magnetic Fields EN 61000-4-8 50 Hz, 30 A/m
Electrostatic Discharge EN 61000-4-2 8 kV air discharge
Burst Interference EN 61000-4-4 2 kV power cables, 2 kV control
Radio Frequency Electromagnetic Field,
amplitude modulated
ENV 50 140 80-1000 MHz, 10 V/m, 80% AM,
power and signal lines
Radio-frequency Electromagnetic Field,
pulse modulated
ENV 50 204 900 MHz, 10 V/m 50% duty cycle,
200 Hz repetition rate
Class 3: Filtered - for residential, commercial and light industry
This level of performance will allow the manufacturer / assembler to self-certify compliance of their apparatus
with the EMC directive for the residential, commercial and light industrial environment as regards the EMC
performance characteristics of the power drive system. Performance limits are as specified in the generic
emission and immunity standards EN 50081-1 and EN 50082-1.
EMC Phenomenon Standard Level
Emissions:
Radiated Emissions EN 55022 Level B1
Conducted Emissions EN 55022 Level B1
Immunity:
Electrostatic Discharge EN 61000-4-2 8 kV air discharge
Burst Interference EN 61000-4-4 1 kV power cables, 0.5 kV control
Note:
The MICROMASTERS are intended exclusively for professional applications. Therefore, they do
not fall within the scope of the harmonics emissions specification EN 61000-3-2.
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