Mitsubishi MR-J3-70B Servo Amplifier MR-J3 Series

Technical Dossier

Product Details And Specifications

Mitsubishi Electric MR-J3 Series Technical Notes

MR-J3 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly stocked models within the MR-J3 product family, classified by output capacity and interface type:

SSCNET III Bus-Type Amplifiers (B-Suffix):

MR-J3-10B: 100 W, SSCNET III, 3-phase 200 VAC, for small-inertia positioning axes.
MR-J3-20B: 200 W, SSCNET III, compact form factor, standard conveyor and pick-and-place use.
MR-J3-40B: 400 W, SSCNET III, mid-range torque, common in packaging machine axes.
MR-J3-70B: 750 W, SSCNET III, this unit; standard reference for multi-axis machine tool retrofits.
MR-J3-100B: 1 kW, SSCNET III, high-cycle duty, used in press-feed and winding applications.
MR-J3-200B: 2 kW, SSCNET III, heavy-duty axis control in robotic welding cells.
MR-J3-350B: 3.5 kW, SSCNET III, large-inertia load compensation, crane auxiliary drives.
MR-J3-500B: 5 kW, SSCNET III, high-power spindle and feed axis in CNC machining centers.
MR-J3-700B: 7 kW, SSCNET III, heavy industrial servo for large-format cutting machines.
MR-J3-11KB: 11 kW, SSCNET III, large-scale motion axis, steel mill auxiliary equipment.

Pulse-Train Input Amplifiers (A-Suffix):

MR-J3-10A: 100 W, pulse-train input, compatible with FX/Q-series PLC positioning modules.
MR-J3-20A: 200 W, pulse-train input, general-purpose standalone servo axis.
MR-J3-40A: 400 W, pulse-train input, standard OEM machine integration unit.
MR-J3-70A: 750 W, pulse-train input, equivalent output class to MR-J3-70B, non-bus topology.
MR-J3-100A: 1 kW, pulse-train input, high-speed positioning with electronic gear ratio function.
MR-J3-200A: 2 kW, pulse-train input, tension control and torque-limiting applications.