7-3 Connection Example *2. For 400-V power supply, install a step-down transformer. *3. Install a fuse in the operating circuit. Not doing so may result in fire. *4. If the main circuit is turned on at the same time as a RUN command is input, the motor begins to rotate at least 2.0 seconds later. Secure a duty cycle of 5 minutes or more between switching the power ON/OFF. Otherwise, the life of the Inverter is shortened. *5. Do not turn off the main circuit during operation. *6. The items in parentheses indicate terminal symbols for 3G3JX-AE ††† . *7. Refer to the wiring described in the Regenerative Braking Unit User’s Manual, and take safety measures for overheating. 7 Specifications 7-7