Electrical Installation
‑112‑
● Only allow qualified professionals to do the job.
● Exercise caution even when the AC drive is turned off, as there may still be external
supply voltage. The main circuit and control circuit terminals may still be live even
when the motor is stopped.
● Start wiring at least 15 minutes after the input and output are turned off when the
power indicators are completely off.
● Ensure that the motors, cabinets, and other components are installed and
connected in accordance with the recognized technical rules in the country of
installation and with other applicable regional regulations. Pay special attention
to regulations on cable dimensions, fuses, grounding, open circuits, isolation, and
overcurrent protection.
● When a branch fuse trips, the faulty current may have been cut off. To reduce the
risk of fire and electric shocks, check the conductive parts and other components
of the cabinet and replace the damaged ones. Find the cause of the tripping fuse
and make sure the problem is solved.
7.3 Main Circuit Connection
7.3.1 Main Circuit Terminals
T1 to T9 models
Figure 7‑4 Arrangement of main circuit terminals of T1 to T4 models
R S T
POWER
U V W
MOTOR
BR (+) (-)
Figure 7‑5 Arrangement of main circuit terminals of T5 to T8 models
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