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MR-J4-70A Mitsubishi
Product Details
Specifications provided for reference. Verify critical details against official manufacturer documentation before installation.
Product Overview
The MR-J4-70A is a single-axis servo amplifier in Mitsubishi Electric's MELSERVO-J4 series, designed to drive compatible rotary servo motors such as the HG-KR73(B). Its role in control systems is amplification and closed-loop control of servo motor current, speed and position. It finds use in machine tools, assembly robots, packaging systems, and general motion control requiring precise servo performance. MR-J4-70A supports high-speed serial communication and safe torque off (STO) functional safety.
Best Suited For
- Pairing with HG-KR73(B) servo motors
- Single-axis positioning applications
- Integration into machine tool or packaging systems
- Functional safety systems using STO
Technical Specifications
I/O & Electrical
Communication & Power
Physical & Environmental
Certifications
Supports functional safety STO per IEC/EN 61800-5-2, EN ISO 13849-1 PL e, IEC 61508 SIL 3, EN 62061 SIL CL 3; Open-frame cooling, IP20.