Technical data 53
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
See the instructions for electrical installation in the sections in this manual or in the
ACS320 user’s manual (3AUA0000062599 [English]0 specified below.
Input power connection – See ACS320 user’s manual, chapter Technical data,
section Electrical power network specification.
Disconnecting device (disconnecting means) – See ACS320 user’s manual,
chapter Planning the electrical installation, section Selecting the supply disconnecting
device (disconnecting means).
Ambient conditions – The drives are to be used in a heated indoor controlled
environment. See ACS320 user’s manual, chapter Technical data, section Ambient
conditions 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 fulfill this requirement, use the UL classified fuses given in
section Fuses and MMPs on page 51.
For installation in Canada, branch circuit protection must be provided in accordance
with Canadian Electrical Code and any applicable provincial codes. To fulfill this
requirement, use the UL classified fuses given in section Fuses and MMPs on page
51.
Power cable selection – See ACS320 user’s manual, chapter Planning the electrical
installation, section Selecting the power cables.
Power cable connections – For the connection diagram and tightening torques, see
section Connecting the power cables on page 19.
Overload protection – The drive provides overload protection in accordance with
the National Electrical Code (US).
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