Maeda MC-305C-2 - Power Supply Connection

7-15
4.2 POWER SUPPLY CONNECTION
(BETWEEN POWER SUPPLY EQUIPMENT AND MACHINE)
The following precautions should always be observed. Potential serious accident may occur if
disregarded.
• Installation of this machine must comply with laws and regulations of your country.
Contact us or our sales service agency if no laws and regulations are applied.
• Only personnel qualified according to laws and regulations of your country are allowed to
establish power connection between power supply equipment and this machine.
Contact us or our sales service agency if no laws and regulations are applied.
• Be sure to supply the machine specifications-compliant power (AC 380, 400V) to this machine.
• A cabtyre cable must adhere to the specifications of this machine (AC 380, 400V).
• Always use a dry cabtyre cable.
Potential electric shock may occur if the cabtyre cable terminal is wet or power connection is
performed with moisted hands.
• Always turn OFF the main breakers of power supply equipment and this machine before
connecting the cabtyre cable to this machine.
• Keep the cabtyre cable free of flaws and bend.
Be sure to replace a damaged cabtyre cable with a new one.
• Ensure that no sharp protrusion is present at an area where the cabtyre cable is routed.
Failure to follow the above precaution may cause the cable to get snagged on the protrusion
and damaged or broken.
• To connect the cabtyre cable to the terminal block in the power supply box, torque the screw
to the specified value. Potential fire or electric shock may occur if the screw comes loose that
could develop a short circuit.
• To connect the cabtyre cable to the terminal block in the power supply box, tighten the cable
ground screw properly for the prevention of water entry and cable protection.
• The ground wire of the cabtyre cable must be properly connected to the “PE terminal” at the
bottom of the terminal block in the power supply box.
• Always close the power supply box door completely after work, and attach the Inverter unit
cover properly.
Use the following procedure for establishing power connection
between power supply equipment and this machine.
1. Make sure the breakers of power supply equipment and Inverter
unit are OFF.
2. Unlock the door (3) of the power supply box (2) by pulling the
handle (4) toward you to open it.
Power supply voltage (V) Power current (A) Power supply frequency (Hz)
380, 400 11.5 50
Motor voltage (V) Cable spec. (sq) Cable length (m)
380, 400
3.5 20
5.5 40