Technical data 445
ACH550-01 User's Manual
Drive of category C3: drive of rated voltage less than 1000 V,
intended for use in the second environment and not intended for
use in the first environment.
Category C3 has the same EMC emission limits as the earlier
class second environment unrestricted distribution.
Compliance with the IEC/EN 61800-3:2004 +A1:2012
The immunity performance of the drive complies with the
demands of IEC/EN 61800-3, category C2 (see page 444 for
IEC/EN 61800-3 definitions). The emission limits of
IEC/EN 61800-3 comply with the provisions described below.
First environment (drives of category C2)
1. The internal EMC filter is connected.
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. The motor cable length does not exceed the allowed
maximum length specified in section Motor cable length on
page 411 for the frame size and switching frequency in use.
WARNING! In a domestic environment, this product may cause
radio inference, in which case supplementary mitigation
measures may be required.
Second environment (drives of category C3)
1. The internal EMC filter is connected.
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. The motor cable length does not exceed the allowed
maximum length specified in section Motor cable length on
page 411 for the frame size and switching frequency in use.
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.
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