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Planning the electrical installation 43
Using residual current devices (RCD) with the drive
ACS320-03x drives are suitable to be used with residual current devices of Type B.
Other measures for protection in case of direct or indirect contact, such as separation
from the environment by double or reinforced insulation or isolation from the supply
system by a transformer, can also be applied.
Implementing a bypass connection
WARNING!
Never connect the supply power to the drive output terminals U2,
V2 and W2. Power line voltage applied to the output can result in permanent
damage to the drive.
If frequent bypassing is required, employ mechanically connected switches or
contactors to ensure that the motor terminals are not connected to the AC power line
and drive output terminals simultaneously.
Summary of Contents for ACS320 series
Page 1: ...ABB drives User s manual ACS320 drives 0 5 to 30 hp ...
Page 4: ......
Page 18: ...18 Safety ...
Page 28: ...28 Operation principle and hardware description ...
Page 56: ...56 Electrical installation ...
Page 142: ...142 Program features Connection diagram example ACS320 xx xxxx x ...
Page 282: ...282 Actual signals and parameters ...
Page 358: ...358 Fieldbus control ...
Page 376: ...376 Fault tracing ...
Page 382: ...382 Maintenance and hardware diagnostics ...
Page 407: ...Dimension drawings 407 Frame size R2 NEMA 1 Frame size R2 IP20 NEMA 1 3AUA0000051097 A ...
Page 409: ...Dimension drawings 409 Frame size R3 NEMA 1 Frame size R3 IP20 NEMA 1 3AUA0000051118 A ...
Page 411: ...Dimension drawings 411 Frame size R4 NEMA 1 Frame size R4 IP20 NEMA 1 3AUA0000051133 A ...
Page 412: ...412 Dimension drawings ...
Page 413: ...Index Numerics A B C D E F G H I K L M N O P R S T ...