42 Frame Motors for Reliable Cooling & Ventilation Performance

Searching for a reliable solution to powering compact industrial fans, HVAC systems, and refrigeration units? The 42-frame motor is a dependable workhorse. 

At BCB Sales & Service, we supply a robust range of 42-frame condenser fan motors, including EC motors, built to deliver consistent performance under demanding Australian conditions.

Whether you're replacing a failing fan motor, upgrading your system, or building a new piece of equipment, our 42-frame electric motors give you a reliable, cost-effective solution with optimal energy efficiency and easy installation.

Explore our full collection below or reach out for expert advice on choosing the right motor for your needs.

What Is a 42 Frame Motor?

The term “42 frame” refers to the motor’s physical size and mounting configuration, as defined by NEMA (National Electrical Manufacturers Association) standards. 

With a frame size of approximately 5 inches in diameter, 42 frame motors are commonly used in:

• Condenser fan assemblies

• HVAC fan decks

• Refrigeration units

• Cooling towers

• Commercial air conditioning systems

Their compact dimensions and moderate power output make them ideal for small to medium-sized ventilation tasks. At BCB Sales & Service, we carry both 42-frame EC motors (electronically commutated for higher efficiency) and traditional PSC motors.

Key Benefits of Our 42 Frame Motors

Our 42-frame electric motors are engineered to handle harsh environments, frequent cycling, and high airflow demands. 

Here’s what sets them apart:

• Compact and space-saving: Ideal for units with limited room, such as rooftop condensers or ducted systems.

• High energy efficiency: Many models are available with EC technology, which reduces power consumption by up to 60% compared to shaded pole motors.

• Easy integration: Designed to match standard 42 frame motor dimensions, allowing for direct replacement and minimal downtime.

• Durable build: Powder-coated finishes, sealed bearings, and thermal protection for reliable operation in heat or moisture.

• Multi-voltage and multi-speed options: Select from models designed for 240V, multi-speed, and variable-speed control.

• Quiet operation: Balanced fan blades and low-noise performance for minimal disruption in commercial spaces.

Applications & Industries

Our 42-frame condenser fan motors are used across a wide range of Australian industries, including:

• HVAC contractors & installers: Replace fan motors in air conditioning units, rooftop systems, and evaporative coolers.

• Refrigeration specialists: Use our motors in supermarket refrigeration cabinets, display coolers, and industrial chillers.

• Facilities maintenance teams: Keep air systems running efficiently in hospitals, hotels, schools, and offices.

• OEM manufacturers: Integrate reliable 42-frame EC motors into new product designs or retrofit older systems.

Wherever reliable airflow is essential, a 42-frame motor is the perfect choice.

Choosing the Right 42 Frame Motor

When selecting a 42-frame motor, consider the following specifications:

• Voltage: 240V or multi-voltage compatibility, depending on your system

• Motor type: PSC, shaded pole, or EC (energy-efficient electronically commutated)

• Speed: Single-speed or multi-speed, depending on airflow control needs

• Mounting: Belly band mount, end mount, or cradle base

• Rotation direction: Clockwise or counterclockwise as viewed from the shaft end (CWSE or CCWSE)

• Horsepower & RPM: Usually ranging from 1/8 HP to 1/3 HP, at speeds from 825 to 1625 RPM

We stock a wide variety of 42-frame motor dimensions and configurations to suit all common condenser setups.

If you're unsure which model suits your needs, our team is happy to assist. We can cross-reference part numbers, measure your existing motor, or recommend a motor upgrade for better performance.

Why Choose BCB Sales & Service for 42 Frame Electric Motors?

We’re not just a parts supplier. We’re motor experts with over 30 years of industry experience. 

Here’s what you can expect from BCB:

• Expert knowledge of all types of electric motors and ventilation systems

• Extensive range of motors in stock and ready to ship

• Australia-wide delivery, with fast turnaround on urgent orders

• Support with replacements, upgrades, and hard-to-find motor types

• Competitive pricing for trade and wholesale customers

• Reliable after-sales support and installation advice

If your cooling or ventilation system is down, we can help you get back up and running fast.

Need Something More Custom?

If a standard 42-frame motor doesn’t fit your setup, we also offer:

• Motor Modifications: Alter voltage, speed, shaft size, or mounting to suit your needs

• Motor Rewinds & Repairs: Restore performance for damaged or rare motors

• Change Over Motors: Quickly swap failing motors with refurbished or upgraded models

Explore our Motor Modifications, Motor Repairs, and Change Over Motors pages for more options.

Popular Products in This Collection of 42 Frame Motors

Some of our best-selling models in this category include:

• 42 Frame EC Motor – 240V, Multi-Speed

• 42 Frame Condenser Fan Motor – 825 RPM, CCWSE

• High-Efficiency 42 Frame Motor – 1/6 HP, 240V

• Replacement 42 Frame Motor with Belly Band Mount

Each listing includes detailed specs, wiring diagrams, and compatible applications to make your selection easier.

Explore Your Full Suite of Requirements with BCB Sales & Service

To enhance your experience and provide related solutions, explore our selection of:

• Motor Spare Parts

• Rain Shields

• Fan Deck Repairs

• Industrial Equipment Repairs

• Pump Repairs

Ready to find your perfect 42-frame condenser fan motor? Browse our collection above or contact us at BCB Sales & Service for expert assistance today.

FAQs About 42 Frame Motors

What does “42 frame” mean in a motor?

The “42 frame” refers to a NEMA standard frame size, indicating the motor’s body dimensions, shaft height, and mounting type. It typically fits small- to medium-sized condenser fans and cooling units.

Can I replace my old motor with an EC version?

Yes! EC motors are more energy-efficient and quieter. Just ensure voltage, speed, and mounting match your system requirements.

Are 42-frame motors suitable for outdoor use?

Many of our models come with weather-resistant casings and sealed bearings. For added protection, consider using Rain Shields.

How do I determine motor rotation direction?

Check the label for CWSE (clockwise shaft end) or CCWSE (counterclockwise). If unsure, contact our team, and we’ll help you confirm.

Do you offer trade pricing or bulk discounts?

Absolutely. We support HVAC technicians, electricians, and commercial facilities with competitive rates. Get in touch for a custom quote.