10 • vacon
EU DIRECTIVE
2
Vacon EMC class L (Protection classes NEMA1 and NEMA12: NX_5 FR10 and greater, NX_6 FR6 and
greater):
AC drives of this class comply with the requirements of category C3 of the product standard EN 61800-3
(2004). Category C3 includes converters the rated voltage of which is less than 1000V and which are
intended for use in the second environment only.
Vacon EMC class T:
AC drives of this class fulfil the product standard EN 61800-3 (2004) if intended to be used in IT systems. In
IT systems, the networks are isolated from earth, or connected to earth through high impedance to achieve
a low leakage current. NOTE: if converters are used with other supplies, no EMC requirements are
complied with.
Vacon EMC class N:
The drives of this class do not provide EMC emission protection. These kinds of drives are mounted in
enclosures. NOTE: An external EMC filter is usually required to fulfil the EMC emission requirements.
All Vacon NX_ AC drives fulfil all EMC immunity requirements (standard EN 61800-3 (2004).
Note: For changing the EMC protection class of your Vacon NX_ AC drive from class H or L to class T,
please refer to the instructions given in Chapter 6.1.3.
2.2.3.1
Environment definitions in product standard EN 61800-3 (2004)
First environment: Environment that includes domestic premises. It also includes establishments directly
connected without intermediate transformers to a low-voltage power supply network which supplies
buildings used for domestic purposes.
NOTE: houses, apartments, commercial premises or offices in a residential building are examples of first
environment locations.
Second environment: Environment that includes all establishments other than those directly connected to
a low-voltage power supply network which supplies buildings used for domestic purposes.
NOTE: industrial areas, technical areas of any building fed from a dedicated transformer are examples of
second environment locations.
2.2.4
Manufacturer's declaration of conformity
The following pages present the Manufacturer's Declarations of Conformity assuring the compliance of
Vacon AC drives with the EMC-directives.
Warning: In a domestic environment this product may cause radio interference in which case the
user may be required to take adequate measures.
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: [email protected]
