Siemens 420 manual 171

Issue 07/04 7 Electro-magnetic compatibility (EMC)

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,		IEC 1000-2-1
Frequency Variations
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		ENV 50 140	80-1000 MHz, 10 V/m, 80% AM, power
Field, amplitude modulated			and signal lines
Radio-frequency Electromagnetic Field,		ENV 50 204	900 MHz, 10 V/m 50% duty cycle, 200 Hz
pulse modulated			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.

MICROMASTER 420	Operating Instructions
6SE6400-5AA00-0BP0	171