7. POWER CONNECTIONS
CAUTION
Read carefully the following instructions to ensure correct electrical
installation.
Otherwise, the equipment could get damaged and lead to personal injuries.
Basic Configuration
Appropriate safety equipment must be used and the unit properly connected
in order to guarantee correct operation. A drive which is incorrectly installed
or set up can result in system malfunction, component damage or a reduced
lifespan. You must read this manual thoroughly before proceeding.
Use a power supply with a voltage range
compatible with the selected drive.
SD300 drives are available for TN and TT
grids, or IT grids (floating earth). Check the
serial number to ensure the correct drive
selection.
Select circuit breakers or fuses in
accordance with applicable national and
local codes. We recommend using specified
circuit breakers or fuses to operate with the
drive.
Magnetic
contactor
(optional)
Install if necessary. When installed, do not
use it for the purpose of starting or stopping
the drive.
Use an AC reactor if you wish to improve
the input power factor of the power supply,
reduce harmonics or suppress external
surges.
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