Chiller/Cooling Tower

Rugged Performance for Harsh, Corrosive HVAC Environments

Rugged Performance for Harsh, Corrosive HVAC Environments

Built for reliability in wet, demanding HVAC environments, ABB’s Baldor-Reliance® Chiller/Cooling tower motors feature corrosion-resistant construction, moisture protection, and inverter-ready performance to keep your systems running efficiently. Perfect for OEM replacement or retrofit in commercial and industrial cooling applications.

Technical data

For use in the airstream on chillers and cooling towers. Designed for wet, high humidity environments

Up to 100 Hp

Power range 3 - 60 Hp (2.2 - 45 kW) in TEAO, 1 - 100 Hp (0.75 - 75kW) in TEFC

Up to 444T

NEMA frame 143T - 444T

Protection IP55

for harsh duty environments

Enclosure TEAO & TEFC

for protection from debris

Sealing 4

barrier shaft sealing system on drive end

Efficiency NEMA Premium®

for all Baldor-Reliance three phase motors

Explore the key features and benefits

Corrosion-resistant cast iron frames, moisture-sealed windings and bearings, inverter-duty insulation, and rugged protections ensure unbeatable reliability in harsh HVAC environments.

Durable

Severe-duty construction with a rugged cast iron frame and corrosion-resistant hardware and coatings, built to withstand the toughest environments.

Protection

Four-barrier shaft sealing (lip contact seal, V-ring slinger, dome slinger, double-sealed bearings) on the drive end combined with a lipped conduit lid and lead separator gasket delivers enhanced protection with an IP55 rating.

Inverter Duty

Suitable for Inverter Duty per NEMA MG1 Part 31.4.4.2

Shaft Grounding*

*Internally mounted shaft grounding ring installed on all -G suffix

Space heaters

Heating strips warm the motor windings to prevent moisture buildup and condensation, protecting against corrosion and performance loss.

Safety

Equipped with a tapped drive end shaft and endplate for secure vertical lifting, plus an easily installed eyebolt for versatile lifting options.

Related Documents

Baldor-Reliance® chiller/cooling tower

Reliability for wet and humid environments

Protection against environmental factors is key to reliability and extended motor performance. Baldor-Reliance chiller/cooling tower motors offer a complete package in a both TEAO and TEFC designs with additional sealing to minimize moisture entry points.

How to extend the life of your motor bearings

Around 75% of industrial motors power pumps, fans, and compressors—equipment with significant potential for efficiency gains. Learn proper grounding techniques to extend motor bearing life and improve reliability.

Upgrading to direct drive solution for reduced maintenance and operational costs

ABB’s Baldor-Reliance RPM AC Cooling Tower Direct Drive Motors - improve reliability and reduce maintenance with a quieter, energy-saving solution

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SP4 Severe Duty

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

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Baldor-Reliance shaft grounded motors protect against VFD-induced bearing damage, ensuring longer life and lower maintenance.