Peripheral Devices - Mitsubishi Electric FR-A800 Series Instruction Manual

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• To prevent an electric shock, always earth (ground) the motor and inverter.

• Do not install a power factor correction capacitor, surge suppressor, or capacitor type filter on the inverter's output side. Doing

so will cause the inverter shut off or damage the capacitor or surge suppressor. If any of the above devices is connected,

immediately remove it. When installing a molded case circuit breaker on the output side of the inverter, contact the

manufacturer of the molded case circuit breaker.

• Electromagnetic wave interference:

The input/output (main circuit) of the inverter includes high frequency components, which may interfere with the

communication devices (such as AM radios) used near the inverter. To minimize interference, enabling the built-in EMC filter

or installing an external EMC filters is effective. (Refer to

• For details on the options and peripheral devices, refer to the respective Instruction Manual.

• A PM motor cannot be driven by the commercial power supply.

• A PM motor is a motor with permanent magnets embedded inside. High voltage is generated at the motor terminals while the

motor is running. Before closing the contactor at the output side, make sure that the inverter power is ON and the motor is

Check the model of the inverter you purchased. Appropriate peripheral devices must be selected according to the capacity.

Refer to the following table for right selection.

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2. INSTALLATION AND WIRING

2.1 Peripheral devices

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