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Mitsubishi Electric MR-J4-40A is a MELSERVO-J4 general-purpose servo amplifier in the 400 W class for precision motion applications using compatible HG-series servo motors.
This page is for the exact manufacturer reference MR-J4-40A. Industrial components within the same family often share similar housings while differing in voltage, output type, protocol, firmware, I/O, connector style, power rating, safety function, or lifecycle status. Corwin Solutions uses exact model-level listings so buyers and maintenance teams can request the part they actually need rather than a generic family match.
Key product details
Common applications: Packaging machinery, indexing axes, pick-and-place equipment, electronic assembly, robotics, converting machines, machine tools, and precision positioning systems.
Compatibility and ordering note: Confirm servo motor model and capacity, encoder compatibility, 200 V power requirements, A-series command interface, regenerative option, STO/safety wiring, I/O, amplifier parameters, MR Configurator2 project, cable sets, connector kits, and whether an RJ or networked J4 variant is required.
Why this part is commonly sourced: Exact industrial part numbers are often required to restore a failed machine, preserve an existing PLC or drive program, match installed wiring and connectors, complete a machine BOM, support legacy equipment, or avoid unnecessary engineering changes during downtime.
Need MR-J4-40A? Send Corwin Solutions the required quantity, preferred condition, ship-to destination, and required delivery date. For replacements, include a clear photo of the existing nameplate and any known series, firmware, I/O, motor, network, connector, parameter, or machine information. Corwin Solutions can source industrial automation and MRO components based on exact part number, acceptable equivalent, lifecycle status, condition, and availability. Availability and lead time are confirmed at quotation.
Mitsubishi Electric MR-J4-40A is a MELSERVO-J4 general-purpose servo amplifier in the 400 W class for precision motion applications using compatible HG-series servo motors.
This page is for the exact manufacturer reference MR-J4-40A. Industrial components within the same family often share similar housings while differing in voltage, output type, protocol, firmware, I/O, connector style, power rating, safety function, or lifecycle status. Corwin Solutions uses exact model-level listings so buyers and maintenance teams can request the part they actually need rather than a generic family match.
Key product details
Common applications: Packaging machinery, indexing axes, pick-and-place equipment, electronic assembly, robotics, converting machines, machine tools, and precision positioning systems.
Compatibility and ordering note: Confirm servo motor model and capacity, encoder compatibility, 200 V power requirements, A-series command interface, regenerative option, STO/safety wiring, I/O, amplifier parameters, MR Configurator2 project, cable sets, connector kits, and whether an RJ or networked J4 variant is required.
Why this part is commonly sourced: Exact industrial part numbers are often required to restore a failed machine, preserve an existing PLC or drive program, match installed wiring and connectors, complete a machine BOM, support legacy equipment, or avoid unnecessary engineering changes during downtime.
Need MR-J4-40A? Send Corwin Solutions the required quantity, preferred condition, ship-to destination, and required delivery date. For replacements, include a clear photo of the existing nameplate and any known series, firmware, I/O, motor, network, connector, parameter, or machine information. Corwin Solutions can source industrial automation and MRO components based on exact part number, acceptable equivalent, lifecycle status, condition, and availability. Availability and lead time are confirmed at quotation.