104 Unidrive M/HS Frame 5 to 6 Power Installation Guide
Issue Number: 9
EN 61800-3: 2004+A1:2012 first environment restricted distribution (The following caution is
required by EN 61800-3: 2004+A1:2012)
R Residential generic standard EN 61000-6-3:2007+A1:2011
EN 61800-3: 2004+A1:2012 first environment unrestricted distribution
EN 61800-3: 2004+A1:2012 defines the following:
• The first environment is one that includes residential premises. It also includes establishments
directly connected without intermediate transformers to a low-voltage power supply network
which supplies buildings used for residential purposes.
• The second environment is one that includes all establishments other than those directly
connected to a low-voltage power supply network which supplies buildings used for residential
purposes.
• Restricted distribution is defined as a mode of sales distribution in which the manufacturer
restricts the supply of equipment to suppliers, customers or users who separately or jointly have
technical competence in the EMC requirements of the application of drives.
IEC 61800-3 and EN 61800-3: 2004+A1:2012
The 2004 revision of the standard uses different terminology to align the requirements of the
standard better with the EC EMC Directive.
Power drive systems are categorized C1 to C4:
Note that category 4 is more restrictive than E2R, since the rated current of the PDS must exceed
400 A or the supply voltage exceed 1000 V, for the complete PDS.
This is a product of the restricted distribution class according to IEC 61800-3. In a
residential environment this product may cause radio interference in which case the user
may be required to take adequate measures.
Category Definition
Corresponding code
used above
C1 Intended for use in the first or second environments R
C2
Not a plug-in or movable device, and intended for use in
the first environment only when installed by a
professional, or in the second environment
I
C3
Intended for use in the second environment, not the first
environment
E2U
C4
Intended for use in the second environment in a system
rated at over 400 A, or in a complex system
E2R
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