Product Description

The Mitsubishi MR-J4-70B-RJ is a digital AC servo amplifier from the MELSERVO-J4 series, designed to drive rotary servo motors with a rated capacity of 0.75 kW. It operates on a 200–240V AC single-phase or three-phase power supply and features a built-in dynamic brake for enhanced motor control. The amplifier utilizes the SSCNETⅢ/H communication interface, ensuring high-speed and reliable data transmission. Safety is prioritized with the inclusion of Safe Torque Off (STO) functionality, complying with IEC/EN 61800-5-2 standards. The unit is housed in a compact enclosure with dimensions of 60 mm (W) × 168 mm (H) × 185 mm (D) and weighs approximately 1.4 kg. It is CE, UL/cUL, EAC, and UKCA certified, meeting international safety and environmental standards.

Technical Specifications

• Model: MR-J4-70B-RJ
• Series: MELSERVO-J4
• Type: Digital AC Servo Amplifier
• Rated Capacity: 0.75 kW
• Power Supply: 200–240V AC, 1-phase or 3-phase
• Communication Interface: SSCNETⅢ/H
• Safety Function: Safe Torque Off (STO) per IEC/EN 61800-5-2
• Dynamic Brake: Built-in
• Dimensions (W × H × D): 60 mm × 168 mm × 185 mm
• Weight: 1.4 kg
• Certifications: CE, UL/cUL, EAC, UKCA
• Compliance: RoHS, WEEE (B2B), REACH (substances CAS numbers 7439-92-1, 15571-58-1, 13560-89-9, 1303-86-2)