KOLLMORGEN U12M4H Servo Disc Motor, Precision Servo for Industrial Automation
The KOLLMORGEN U12M4H Servo Disc Motor is an advanced high-precision actuator designed for industrial control applications requiring exact positioning and control. It combines compact design with exceptional performance capabilities, making it ideal for manufacturing, robotics, and automation systems.
Manufacturer:KOLLMORGEN
Model Number:U12M4H
Motor Type:Servo Disc Motor
Voltage Rating:200V AC
Rated Current:3.2A
Rated Power:400W
Rotational Speed:3000rpm (nominal)
Maximum Speed:4000rpm
Torque:1.2Nm (nominal)
Peak Torque:3.6Nm
Inertia:0.000075kg.m²
Feedback Encoder:20-bit absolute encoder
Cooling Method:Natural cooling
Mounting Style:Flange mounting
Dimensions:Diameter 120mm, Length 60mm
Weight:Approximately 2.5kg
The KOLLMORGEN U12M4H Servo Disc Motor delivers unmatched precision in industrial control applications. Its compact design, featuring a keyed shaft, allows for secure installation and reliable performance under demanding conditions. With its built-in e/m brake and absolute feedback encoder, this motor ensures accurate positioning every time. The 22-bit resolution encoder provides high accuracy and repeatability, making it an essential component in advanced robotic and automated systems. The natural cooling method ensures efficient heat dissipation without additional cooling requirements, contributing to its longevity and low maintenance. Designed for 200Vac class supply, the motor is rated at 4.8A and delivers 750W of power, suitable for a wide range of industrial applications. Its maximum speed of 6000rpm makes it ideal for fast-paced manufacturing environments, while the nominal torque of 2.4Nm and maximum torque of 8.4Nm provide ample power for demanding tasks. The motor’s moment of inertia of 0.000137kg.m2 (1.37kg.cm2) indicates its low inertia, enhancing its responsiveness and efficiency.











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