Mitsubishi Electric MR-J3-B Instruction Manual page 162

10. CHARACTERISTICS
Use the dynamic brake at the load inertia moment indicated in the following table. If the load inertia moment is
higher than this value, the built-in dynamic brake may burn. If there is a possibility that the load inertia moment
may exceed the value, contact Mitsubishi.
Note. The value is 5 when used at motor speed over 2000r/min.
Servo amplifier
MR-J3-10B (1)
MR-J3-20B (1)
MR-J3-40B (1)
MR-J3-60B
MR-J3-70B
MR-J3-100B
MR-J3-200B
MR-J3-350B
MR-J3-500B
MR-J3-700B
10 - 5
Load inertia moment ratio [times]
30
16
15
(Note) 15