10 • vacon
EU directive
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2
Class C (MF4 to MF6):
Frequency converters of this class fulfil the requirements of the product standard EN 61800-
3+A11 for the 1st environment (unrestricted distribution) and the 2nd environment.
The emission levels correspond to the requirements of EN 61000-6-3.
Class N:
No EMC emission protection. Vacon NXL frames MF2 and MF3 are delivered from the factory
without an external RFI filter as class N products.
Class H:
Vacon NXL frames MF4 – MF6 are delivered from the factory as class H products with an internal
RFI filter. The filter is available as option for classes MF2 and MF3. With a RFI filter Vacon NXL
frequency converters fulfil the requirements of the product standard EN 61800-3 + A11 for the
1st environment restricted distribution and the 2nd environment.
The emission levels correspond to the requirements of EN 61000-6-4.
Class T:
The T-class converters have a small earth current and can be used with IT supplies only. If they are
used with other supplies no EMC requirements are complied with.
All Vacon NX frequency converters fulfil all EMC immunity requirements (standards EN 61000-
6-1, 61000-6-2 and EN 61800-3).
2.2.4
Manufacturer's declaration of conformity
The following page presents the photocopy of the Manufacturer's Declaration of Conformity assuring
the compliance of Vacon frequency converters with the EMC-directives.
