Mitsubishi Electric MELSERVO-J3W Series Instruction Manual page 210

11. OPTIONS AND AUXILIARY EQUIPMENT
11.2 Regenerative options
CAUTION
(1) Combination and regenerative power
The power values in the table are resistor-generated powers and not rated powers.
Servo amplifier
MR-J3W-22B
MR-J3W-44B
MR-J3W-77B
MR-J3W-1010B
The specified combinations of regenerative options and servo amplifiers may only be
used. Otherwise, a fire may occur.
Built-in regenerative
resistor
10
100
Regenerative power [W]
MR-RB14 [26 ]
100
11 - 25
MR-RB34 [26 ]
MR-RB3B [20 ]
300
300