Mitsubishi Electric MELSERVO-J4 MR-J4 TM Instruction Manual page 20

1. FUNCTIONS AND CONFIGURATION
Note 1. The built-in regenerative resistor is not provided for MR-J4-10TM.
2. For 1-phase 200 V AC to 240 V AC, connect the power supply to L1 and L3. Leave L2 open.
Refer to section 1.3 for the power supply specifications.
3. Servo amplifiers MR-J4-70TM or more have a cooling fan.
4. The power factor improving AC reactor can also be used. In this case, the power factor improving DC reactor cannot be used.
When not using the power factor improving DC reactor, short P3 and P4.
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