6 | Electrical Connection
18 | 44
Instruction Manual R5 RA 0165-0305 D_EN_en
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Electrically connect the control box.
NOTICE
Incorrect connection.
Risk of damage to the control box and motor!
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The wiring diagrams given below are typical. Check the inside of the control box for connection
instructions/diagrams.
6.2
Machine delivered without Control Box or Variable
Speed Drive (VSD)
DANGER
Live wires.
Risk of electrical shock.
●
Electrical installation work must only be executed by qualified personnel.
NOTE
The operation with variable speed, i.e. with a variable speed drive or a soft starter unit, is
allowed as long as the motor is capable and the permitted motor speed range is respected
(see
Seek advice from your Busch representative.
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Make sure that the power supply for the motor is compatible with the data on the nameplate of
the motor.
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If the machine is equipped with a power connector, install a residual current protective device to
protect persons in case of isolation default.
●
Busch recommends installing a type B residual protective device suitable for the electrical
installation.
●
Provide a lockable disconnect switch or an emergency stop switch on the power line so that the
machine is completely secured in case of an emergency situation.
●
Provide a lockable disconnect switch on the power line so that the machine is completely secured
during maintenance tasks.
●
Provide an overload protection according to EN 60204-1 for the motor.
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Busch recommends installing a D-curve circuit breaker.
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Connect the protective earth conductor.
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Electrically connect the motor.
