THE NEXT EVOLUTION IN ELECTRIC MOTORS

Leading the way in energy efficiency yet again, ABB Baldor-Reliance SP4™ motors give you a path to energy savings that makes a difference to your bottom line. These motors achieve NEMA Premium 4 efficiency across-the-line, independently of a drive. DOL or inverter duty, runs cooler, longer and quieter – now with a 48-month warranty.

 

The idea is simple. Take the best and proven AC induction design and make it better by reducing motor losses by an average of 20% while maintaining the simplicity of today's installed base of AC induction motors.

WHY UPGRADE TO SP4

Why upgrade to SP4

<p>More than 300 million industrial electric motor-driven systems operate worldwide, with many still running direct-on-line (DOL). SP4 delivers higher efficiency using familiar AC induction motor technology, making it easier to upgrade existing applications.</p>


Lower energy losses

<p>NEMA Premium® 4 efficiency, comparable to IEC IE4, can reduce motor energy losses by up to 40% compared with NEMA Standard Efficiency / IE2 induction motors, helping lower operating costs over the life of the motor.

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Greater efficiency as energy costs rise

<p>As electricity prices increase, motor efficiency has a greater impact on operating expenses. SP4 helps reduce the energy required to run critical motor-driven equipment without fundamentally changing how the motor is applied.
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Cooler operation. Longer-lasting performance.

<p>Reduced motor losses help SP4 motors run cooler, supporting longer insulation and bearing life. The growing SP4 portfolio also brings this performance to general purpose, severe-duty, pumping and HVAC applications, backed by an industry-leading 4-year warranty.</p>

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SP4 PRODUCT PORTFOLIO

General Purpose - Enclosed

SP4 NEMA Premium® 4 enclosed motors can be used indoor or outdoor with moderate dust and water for general purpose applications.



General Purpose - Open

ABB Baldor-Reliance SP4 open motors deliver NEMA Premium® 4 efficiency, running cooler, longer, and quieter—DOL or inverter duty—now with a 48-month warranty.



Severe Duty

Rugged cast-iron motors with NEMA Premium® 4 (IE4) efficient, hazardous location certifications, and compliance with 2027 U.S. DOE MEM regulations.



Pump Motors

ABB’s SP4 close-coupled pump motors bring NEMA Premium 4 efficiency to pumping applications, delivering a new level of energy savings and reliability to help customers get more from every pump with less downtime and lower operating costs.


Severe Duty Pump Motors

ABB’s SP4 severe duty close-coupled pump motors bring a new level of energy savings and reliability, helping customers get more from every pump with less downtime and lower operating costs.



HVAC Enclosed

SP4 HVAC enclosed motors combine NEMA Premium 4 efficiency with an internally mounted shaft grounding ring for bearing current protection. Suitable for indoor or outdoor use in environments with moderate dust and moisture, they are ideal for general-purpose HVAC applications.

HVAC Open

SP4 HVAC open motors combine NEMA Premium 4 efficiency with an internally mounted shaft grounding ring for reliable bearing protection and are ideal for indoor use in relatively clean environments.


SD200

SD200 is the next generation of severe duty motors that offer ruggedness, reliability, performance and efficiency that not only meet NEMA Premium requirements, but exceeds them.



ABB BALDOR-RELIANCE SP4 MOTOR TECHNOLOGY

For more than a century, ABB Baldor-Reliance has helped power industry forward.

 

Now, SP4™ technology advances proven AC induction motor design with higher efficiency, lower losses and the same familiar simplicity.

 

Revolutionizing the motor industry. Again.

SP4: THE REVOLUTION CONTINUES

SP4™ brings NEMA Premium® 4 efficiency to general purpose, severe duty, HVAC and pumping applications, using familiar induction motor technology designed for practical, straightforward upgrades.

 

One platform. More applications. Higher efficiency.

NEMA MOTOR EFFICIENCY REGULATION HISTORY

More than 30 years of evolving U.S. motor efficiency standards have led to today’s DOE requirements, continually raising the bar for energy-efficient motor performance.

ENERGY SAVINGS CALCULATOR

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RELEVANT DOCUMENTS

Learn more about SP4™ motor efficiency, NEMA Premium® 4 performance and the U.S. Department of Energy regulations shaping motor efficiency requirements.

ABB BALDOR-RELIANCE® SP4™️ MOTORS, Motores Baldor-Reliance® SP4™ NEMA Super Premium, 501 Standard Motors Catalog — Baldor-Reliance® NEMA Motors

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STORIES AND HIGHLIGHTS

What you need to know about the 2027 DOE efficiency mandate and NEMA Premium® 4 efficiency requirements


ABB Baldor-Reliance SP4 motors represent the latest evolution of motor efficiency



ABB’s SD200 SP4 motor delivers high efficiency in a severe-duty platform, helping users stay ahead of efficiency regulations

Baldor-Reliance SP4 - NEMA Super Premium Phase 2 launch




ABB expands ABB Baldor-Reliance SP4 motor line with shaft-grounded models for enhanced bearing protection


ABB unveiling new next-generation severe duty motor platform at EASA 2026 


ABB Baldor-Reliance SP4 HVAC motor wins gold in Plant Engineering 2026 Product of the Year Awards

How to meet sustainability goals, part 1: High-efficiency motors



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