MR-J3-60A Servo Amplifier Guide: Specs, Sourcing & Replacements

The MR-J3-60A is a general-purpose interface AC servo amplifier from Mitsubishi Electric's MELSERVO-J3 series, with a rated output of 600W (0.6kW) Mitsubishielectric Dosupply.

Product Overview & Lifecycle

* Status: Discontinued. The MR-J3 series has officially entered its end-of-life phase, superseded by the MR-J4 and MR-J5 series Mitsubishielectric Powermotionsales.

* Availability: While no longer in production, units are widely available as refurbished, used, or "New Old Stock" (NOS) from specialized industrial surplus dealers and B2B platforms Dosupply.

* Core Specifications:

* Output Power: 600W (3.2A rated current) Dosupply.

* Input Voltage: 200–230V AC (Single/3-phase) Dosupply.

* Interface: General-purpose (Pulse/Analog).

* Built-in Components: Includes a dynamic brake and regenerative resistor Mitsubishielectric.

Market Trends & Insights (2026)

* Pricing Dynamics: Due to its discontinued status, prices for the MR-J3-60A vary significantly by condition. Refurbished units typically range from $117 to $589, while "New Old Stock" can reach $850+ depending on the supplier's warranty Dosupply.

* Sourcing Shift: Buyers are increasingly sourcing from B2B platforms like Alibaba.com to maintain legacy machinery without the high cost of a full system upgrade. Major suppliers are now offering their own warranties (typically 6 months to 2 years) to offset the lack of factory support Industriallynx Dosupply.

* Migration Path: The industry trend is migrating toward the MR-J5 series, which offers advanced predictive maintenance and faster frequency response (up to 3.5kHz vs the J3's 2.1kHz) Powermotionsales Mitsubishielectricfa.

Mr J3 60a

Overview

Product Overview & Lifecycle

Market Trends & Insights (2026)

Mr J3 60a Servo Amplifier

Related Searches

Sources & References