9 Electro-magnetic compatibility
MICROMASTER 430 Operating Instructions
94 6SE6400-5AC00-0BP0
9.1 Electro-magnetic compatibility
(EMC) All manufacturers / assemblers of electrical apparatus which “performs a
complete intrinsic function and is placed on the market as a single unit intended for
the end user” must comply with the EMC directive 89/336/EEC.
There are three routes for the manufacturer/assembler to demonstrate compliance:
9.1.1 Self-certification
This is a manufacturer's declaration that the European standards applicable to the
electrical environment for which the apparatus is intended have been met. Only
standards that have been officially published in the Official Journal of the European
Community can be cited in the manufacturer's declaration.
9.1.2 Technical construction file
A technical construction file can be prepared for the apparatus describing its EMC
characteristics. This file must be approved by a ‘Competent Body’ appointed by the
appropriate European government organization. This approach allows the use of
standards that are still in preparation.
9.1.3 EC type examination certificate
This approach is only applicable to radio communication transmitting apparatus. All
MICROMASTER units are certified for compliance with the EMC directive, when
installed in accordance with the recommendations in Section 2.
9.1.4 EMC Directive Compliance with Imminent Harmonics
Regulations
Since 1st January 2001 all electrical apparatus covered by the EMC Directive will
have to comply with EN 61000-3-2 "Limits for harmonic current emissions
(equipment input ≤ 16 A per phase)".
All Siemens variable speed drives of the MICROMASTER, MIDIMASTER,
MICROMASTER Eco and COMBIMASTER ranges, which are classified as
"Professional Equipment" within the terms of the standard, fulfill the requirements
of the standard.
The allowed harmonic currents for “professional equipment” with an input power
> 1 kW are not yet defined. Therefore, any electrical apparatus containing the
above drives which has an input power > 1 kW will not require connection
approval.
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