Product Description

The Mitsubishi HG-MR43B is a high-performance 400W AC brushless rotary servo motor from the MELSERVO-J4 HG Series, engineered for precision motion control in industrial automation applications. It delivers a rated torque of 1.3 Nm with a maximum torque of 3.8 Nm, operating at a rated speed of 3,000 rpm and capable of reaching up to 6,000 rpm. The motor features ultra-low inertia, making it ideal for high-speed and high-precision tasks. Equipped with a 22-bit absolute encoder (4,194,304 pulses per revolution), it ensures precise feedback and positioning. The motor includes a built-in electromagnetic brake and utilizes a straight shaft design. With a protection class of IP65, it is suitable for use in environments requiring resistance to dust and water. The HG-MR43B operates on a 200V AC power supply and is compliant with international standards such as CE, UL/cUL, EAC, and UKCA.​

Technical Specifications

• Model: HG-MR43B
• Series: MELSERVO-J4 HG Series
• Rated Capacity: 0.4 kW
• Rated Torque: 1.3 Nm
• Maximum Torque: 3.8 Nm
• Rated Speed: 3,000 rpm
• Maximum Speed: 6,000 rpm
• Inertia: 0.164 kg·cm² (ultra-low inertia)
• Encoder Type: 22-bit absolute encoder
• Encoder Resolution: 4,194,304 pulses per revolution
• Brake: Built-in electromagnetic brake
• Shaft Type: Straight shaft
• Protection Class: IP65
• Power Supply: 200V AC
• Current Type: AC
• Dimensions (W x H x D): 60 mm x 77.1 mm x 135.1 mm
• Weight: 1.8 kg
• Compliance: CE, UL/cUL, EAC, UKCA