Ultimag® Rotary Actuators Speeds over 100 Hz Peak torque of over 1.5 Nm 100 million actuation life ROTARY Ultimag® Three standard sizes All products are RoHS Compliant Ultimag® Principle of Operation Ultimag® operates on the simple principle of attraction and repulsion of opposite and like magnetic poles. The permanent magnetic armature has twice as many poles as the stator. In the de-energised state, the armature poles each share half a stator pole, causing the shaft to seek mid-stroke. When power is applied, the stator poles are polarised. This attracts half and repels the other half of the armature poles, causing the shaft to rotate. When the voltage is reversed, the stator poles are polarised with the opposite pole. Consequently, the opposite poles of the armature are attracted and repelled, thus causing rotation in the opposite direction. Ledex® Solenoids The Ultimag Series has been developed in response to application needs for higher speed and higher torque motion control components. We have found that many applications require a working stroke less than 360°, yet still employ motors with their associated complex and expensive controls and linkages. As a result, a powerful, extremely fast short stroke actuator has many design advantages for industrial, office automation, automotive and medical applications. We have been designing and manufacturing world class, innovative motion control components for over 60 years. Our patented Ultimag series is the latest of our state-ofthe-art developments in rotary actuation products.

Ultimag® Rotary Actuators The Ultimag® Difference Ultimag offers a bidirectional, centre return function not found in rotary solenoids. The Ultimag is substantially faster than other solenoids, and can be operated in an on/off mode or proportionally, in both open loop and closed loop systems. ® The Ultimag does not offer 360° of rotation which is definitive of motors. With this stroke limitation in mind, Ultimag provides an inexpensive alternative for limited stroke applications, particularly, when total cost of system control is included. Ledex® Solenoids Ultimag actuators offer a 45° stroke....

ROTARY Ultimag® Ultimag® Selection Ultimag® Rotary Actuators are available in three sizes. Use the selection overview chart to determine which size offers the desired performance and mechanical specifications. Refer to the individual size specification pages for complete performance and mechanical data. Package Dimensions (mm) Model Size Gross Starting Torque (Nm) @ Specified Duty Cycle Gross Ending Torque (Nm) @ Specified Duty Cycle All data is at 20°C coil temperature. Torque outputs degrade with elevated temperatures. * Not recommended for 100% duty. How to Use Ultimag Performance Charts 1....