Product Description

The Mitsubishi HG-SR81 is an AC servo motor from Mitsubishi Electric's MELSERVO-J4 series, designed for medium-inertia and medium-capacity applications. It features a straight shaft with a built-in 22-bit absolute encoder, providing high-resolution feedback for precise control. This motor operates on a 200V AC supply, delivering a rated output of 0.85 kW and a maximum speed of 1500 rpm. Its robust construction includes an IP67 protection rating, ensuring resistance to dust and water ingress, making it suitable for demanding industrial environments.​

Technical Specifications

• Type: AC brushless rotary servo motor
• Series: MELSERVO-J4 (HG-SR series)
• Rated Output: 0.85 kW
• Rated Speed: 1000 rpm
• Maximum Speed: 1500 rpm
• Rated Torque: 8.1 Nm
• Maximum Torque: 24.4 Nm
• Rated Current: 5.2 A
• Maximum Current: 17 A
• Voltage Supply: 200V AC
• Encoder: Built-in 22-bit absolute encoder (4,194,304 pulses/rev)
• Shaft Type: Straight shaft
• Mounting Type: Flange mounting (130 x 130 mm)
• Protection Rating: IP67
• Dimensions (H x W x D): 177.5 mm x 130 mm x 201.5 mm
• Weight: Approximately 7.3 kg
• Operating Temperature: 0 to +40°C
• Storage Temperature: -15 to +70°C
• Maximum Radial Load: 980 N
• Maximum Axial Load: 490 N
• Compliance: CE, EAC, IEC, UL standards