Mitsubishi Electric MELSERVO-J4 Series Transition Handbook page 30

Part 1: Summary of MR-J3/MR-J3W Replacement
(2) Models for replacement between MR-J3W series and MR-J4 series
Shown below are the base replacement models with the assumption that both the servo amplifier and
servo motor will be replaced as a set.
(a) SSCNET interface 200 V class
Model
MR-J3W-22B
MR-J3W-44B
MR-J3W-77B
MR-J3W-1010B
Note 1. The dimensions are the same. The number of mounting screws is different.
2. Note that the positions (clearances) and the number of mounting screws have been changed to reduce the size of
external dimensions.
(b) SSCNET interface 48 V DC/24 V DC class
Model
MR-J3W-0303BN6
Replacement model
(example)
( : Compatible)
MR-J4W2-22B
MR-J4W2-44B
MR-J4W2-77B
MR-J4W2-1010B
Replacement model
(example)
( : Compatible)
MR-J4W2-0303B6
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Attachment
compatibility
(Note 1)
(Note 1)
Refer to "Part 4: Review on Replacement
of MR-J3W-_B with MR-J4W2-_B"
(Note 2)
(Note 2)
Attachment
compatibility
Refer to "Part 4: Review on Replacement of
MR-J3W-_B with MR-J4W2-_B"
Check items
Check items