Technical data 393
Note:
It is not allowed to install a drive with the internal EMC filter connected on IT
(ungrounded) systems. The supply network becomes connected to ground potential
through the EMC filter capacitors which may cause danger or damage the drive.
Note:
It is not allowed to install a drive with the internal EMC filter connected on a
corner-grounded TN system as this would damage the drive.
UL marking
See the type designation label for the valid markings of your drive.
The UL mark is attached to the drive to verify that it meets UL requirements.
UL checklist
Input power connection
– See section
Electric power network specification
on page
Disconnecting device (disconnecting means)
– See
disconnecting device (disconnecting means)
on page
Ambient conditions
– The drives are to be used in a heated indoor controlled
environment. See section
on page
for specific limits.
Input cable fuses
– For installation in the United States, branch circuit protection
must be provided in accordance with the National Electrical Code (NEC) and any
applicable local codes. To fulfil this requirement, use the UL classified fuses given in
section
on page
.
For installation in Canada, branch circuit protection must be provided in accordance
with Canadian Electrical Code and any applicable provincial codes. To fulfil this
requirement, use the UL classified fuses given in section
on page
.
Power cable selection
– See section
on page
Power cable connections
– For the connection diagram and tightening torques, see
section
Overload protection
– The drive provides overload protection in accordance with
the National Electrical Code (US).
Braking
– The drive has an internal brake chopper. When applied with appropriately
sized brake resistors, the brake chopper will allow the drive to dissipate regenerative
energy (normally associated with quickly decelerating a motor). Brake resistor
selection is discussed in
Summary of Contents for ACS355 series
Page 1: ...ABB machinery drives User s manual ACS355 drives ...
Page 4: ......
Page 16: ...16 ...
Page 32: ...32 Operation principle and hardware description ...
Page 58: ...58 Electrical installation ...
Page 74: ...74 Start up control with I O and ID run ...
Page 106: ...106 Control panels ...
Page 120: ...120 Application macros ...
Page 178: ...178 Program features ...
Page 338: ...338 Fieldbus control with embedded fieldbus ...
Page 368: ...368 Fault tracing ...
Page 404: ...404 Dimension drawings ...
Page 410: ...410 Appendix Resistor braking ...
Page 434: ...434 Appendix Permanent magnet synchronous motors PMSMs ...