Category C2; Category C3 - ABB ACS355 User Manual

374 Technical data
1. The optional EMC filter is selected according to the ABB documentation and
installed as specified in the EMC filter manual.
2. The motor and control cables are selected as specified in this manual.
3. The drive is installed according to the instructions given in this manual.
4. For the maximum motor cable length with 4 kHz switching frequency, see page
368.
WARNING! In a domestic environment, this product may cause radio inference, in
which case supplementary mitigation measures may be required.

Category C2

The emission limits are complied with the following provisions:
1. The optional EMC filter is selected according to the ABB documentation and
installed as specified in the EMC filter manual.
2. The motor and control cables are selected as specified in this manual.
3. The drive is installed according to the instructions given in this manual.
4. For the maximum motor cable length with 4 kHz switching frequency, see page
368.
WARNING! In a domestic environment, this product may cause radio inference, in
which case supplementary mitigation measures may be required.

Category C3

The immunity performance of the drive complies with the demands of
IEC/EN 61800-3, second environment (see page
definitions).
The emission limits are complied with the following provisions:
1. The internal EMC filter is connected (the metal screw at EMC is in place) or the
optional EMC filter is installed.
2. The motor and control cables are selected as specified in this manual.
3. The drive is installed according to the instructions given in this manual.
4. With the internal EMC filter: motor cable length 30 m (100 ft) with 4 kHz switching
frequency. For the maximum motor cable length with an optional external EMC
filter, see page 368.
WARNING! A drive of category C3 is not intended to be used on a low-voltage public
network which supplies domestic premises. Radio frequency interference is expected
if the drive is used on such a network.
373 for IEC/EN 61800-3