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2.4.1 Motor circuit contactors
If required by local codes or for s afety reasons, an M-Contactor (motor circuit contactor) may be
installed to provide a physical disconnection of the motor windings from the MintDrive (see page 19).
Opening the M-Contactor ensures that the MintDrive cannot drive the motor, which may be necessary
during equipment maintenance or similar operations.
Under certain circumstances, it may also be necessary to fit a brake to the motor. This is important with
hanging loads where disconnecting the motor windings could result in the load falling. Contact Baldor
for details on appropriate brakes.
CAUTION: If an M-Contactor is installed, the MintDrive must be disabled at least 20ms before
the M-Contactor is opened. If the M-Contactor is opened while the MintDrive is
supplying voltage and current to the motor, the MintDrive may be damaged.
Incorrect installation or failure of the M-Contactor or its wiring may result in
damage to the MintDrive.
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