Siemens MICROMASTER 420, Operating Instructions Manual

Page: 171 / 190

Issue 07/04 7 Electro-magnetic compatibility (EMC)
MICROMASTER 420 Operating Instructions
6SE6400-5AA00-0BP0
171
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.
Table 7-4 Class 3 - Filtered for Residential, Commercial and Light Industry
EMC Phenomenon Standard Level
Emissions:
Radiated Emissions* EN 55011 Level B
Conducted Emissions EN 55011 Level B
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
* These limits are dependent on the inverter being correctly installed inside a
metallic switchgear enclosure. The limits will not be met if the inverter is not
enclosed.
NOTICE
To achieve these performance levels, you must not exceed the default Pulse
frequency nor use cables longer than 25 m.
The MICROMASTER inverters are intended exclusively for professional
applications . Therefore, they do not fall within the scope of the harmonics
emissions specification EN 61000-3-2.
Maximum mains supply voltage when filters are fitted is 460 V.