electromagnetic environment. Likewise, the equipment must not disturb or
interfere with any other product or system within its locality.
First environment includes establishments connected to a low-voltage network
which supplies buildings used for domestic purposes.
Second environment includes establishments connected to a network not supplying
domestic premises.
Drive of category C1: drive of rated voltage less than 1000 V and intended for use
in the first environment.
Drive of category C2: drive of rated voltage less than 1000 V and intended to be
installed and started up only by a professional when used in the first environment.
Note: A professional is a person or organization having necessary skills in installing
and/or starting up power drive systems, including their EMC aspects.
Drive of category C3: drive of rated voltage less than 1000 V and intended for use
in the second environment and not intended for use in the first environment.
Drive of category C4: drive of rated voltage equal to or above 1000 V, or rated
current equal to or above 400 A, or intended for use in complex systems in the
second environment.
￭
Category C1
The drive complies with the conducted emission limits of the standard with the
following provisions:
1. The optional EMC filter is selected according to External EMC filter, and the
filter is installed as specified in the EMC filter manual.
2. The motor and control cables are selected as specified in this manual. The EMC
recommendations are obeyed.
3. The maximum motor cable length does not exceed the specified maximum
value. See EMC compatibility and motor cable length (page 168)
4. The drive is installed according to the instructions (IEC) given in this manual.
This product can cause radio-frequency inference. In a residential or domestic
environment, supplementary mitigation measures may be required in addition to
the requirements listed above for the CE compliance.
￭
Category C2
This is applicable to drives with an internal EMC C2 filter. The filter is included in
all drive types. But in UL (NEC) drive types the filter is disconnected at the factory.
If necessary, the user can connect the filter.
The drive complies with the standard with the following provisions:
178 Technical data
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