RPM AC Vector Duty

ABB Baldor-Reliance® RPM AC Vector Duty motors deliver precise, responsive torque and speed control with encoder feedback for smooth, accurate performance in demanding applications.

Precision Control for Demanding Applications

ABB Baldor-Reliance® RPM AC Vector Duty motors provide unmatched precision by combining high-performance design with encoder feedback for closed-loop control. This allows users to maintain exact speed and torque, even at zero speed or under rapidly changing loads—ideal for applications like extruders, winders and test stands. The result is smoother operation, tighter process control and higher product quality in demanding industrial environments.

Technical data

The RPM AC Vector Duty motor delivers high-torque, inverter-ready performance with encoder feedback, robust thermal protection and optimized construction for precise, efficient and reliable operation in demanding industrial applications.

Up to 150Hp

Power range 5 thru 150Hp (7.5 thru 75kW).

Protection Class H

Insulation system for maximum reliability and inverter use.

Torque range 1000:1

constant torque from 0 to base; 150% available torque.

Ingress protection IP55

Suitable for harsh duty environments.

Rotor option IPM

Interior salient pole permanent magnet rotor for torque density and higher efficiency.

Matched Encoder

Speed feedback device included.

Explore the key features and benefits

Combining encoder feedback with robust inverter-duty construction, the RPM AC Vector Duty motor delivers precise speed and torque control for smoother operation, greater accuracy and improved process quality.

Lower energy costs

Optimized rotor and stator design delivers high torque at low speeds without gear reduction, improving overall energy efficiency.

Space-saving

Extremely power dense square laminated frame design (up to 3 frame sizes smaller than standard ABB frame).

Inverter Duty

Inverter duty and suitable for adjustable frequency power in scalar mode.

Synchronous speed

Operates at true synchronous speed regardless of loads. Constant‑torque performance rated 1000:1 from zero to base speed.

Encoder feedback

Encoder feedback enables precise, stable motor control for smoother operation and consistent product quality.

Reliable

Accurate speed control and smooth torque delivery ensure consistent application performance and product quality.

Extended motor life

Extended motor life through protection from heat, vibration and electrical stress.

Discover ABB's Innovative Software and Tools

Unlock the power of ABB's cutting-edge software and tools designed to simplify your industrial electric motor journey. Whether you're selecting, configuring, replacing, or upgrading, our intuitive tools are here to guide you every step of the way. With ABB, finding the perfect match for your motor needs has never been easier. Explore now and make the most informed choice for your operations.

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ABB’s Motor Connector is an online tool that allows experienced users to select, customize and configure motors to exactly match their performance and application needs. 

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Upgrade your motor

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