RELIANCE ELECTRIC 2MAF92792 Master Ac Motor 20HP 1770RPM

( Brand: Reliance Electric ), ( Manufacturer Part Number: 2MAF92792 ), ( Type: General Purpose Motors ), ( Weight: 286 Lbs ), ( Dimensions: 27 X 14 X 17 ), ( State: Michigan ), ( Country: United States ), ( Storage Location: Nevada Mro Area Rack 14 Shelf 17 )

Review RELIANCE ELECTRIC Duty Master Ac Motor 20hp 1770rpm Used

The **Reliance Electric 2MAF92792 Master AC Motor**, a robust and precision-engineered electric motor, represents the pinnacle of industrial-grade performance, designed to deliver reliable, high-efficiency power for demanding applications. This **20 horsepower (HP) motor**, operating at a nominal speed of **1770 revolutions per minute (RPM)**, is a member of Reliance Electric s esteemed **Master series**, renowned for its durability, energy efficiency, and advanced control capabilities. Built with a **TEFC (Totally Enclosed Fan-Cooled)** construction, this motor ensures optimal protection against dust, moisture, and contaminants, making it ideal for harsh or unregulated environments such as manufacturing plants, processing facilities, or commercial HVAC systems. Its **NEMA Premium efficiency rating** confirms its adherence to strict energy-saving standards, reducing operational costs while minimizing environmental impact a critical consideration for modern industries prioritizing sustainability.

The **2MAF92792** features a **460-volt, three-phase AC design**, providing a balanced and consistent power output that aligns seamlessly with standard industrial electrical systems. Its **squirrel-cage induction rotor** ensures smooth, low-maintenance operation, while the **high-quality laminated steel stator** and **premium-grade copper windings** enhance thermal efficiency and extend the motor s operational lifespan. The motor s **NEMA Premium certification** further underscores its superior performance, offering up to **95% efficiency**, which translates to reduced energy consumption and lower utility expenses over time. Additionally, its **Class B insulation** (130 C rise) allows for extended service life under continuous operation, even in high-temperature environments.

One of the standout features of this motor is its **built-in thermal protection**, which includes **overload and overheating safeguards** to prevent catastrophic failure and ensure prolonged reliability. The **Master series** also incorporates **Reliance Electric s proprietary control technology**, enabling precise speed and torque regulation through compatible variable frequency drives (VFDs), making it highly adaptable for applications requiring variable speed control, such as conveyor systems, pumps, or compressors. The motor s **NEMA Frame 256T design** provides a robust mechanical structure, accommodating a **56C face-to-face mounting dimension**, which ensures compatibility with a wide range of industrial gearboxes, couplings, and mechanical assemblies.

Beyond its technical specifications, the **2MAF92792** exemplifies Reliance Electric s commitment to **quality and innovation**, backed by decades of engineering expertise. Its **sealed ball bearings** and **precision-machined components** reduce friction and wear, while the **fan-cooled enclosure** maintains optimal operating temperatures without compromising efficiency. Whether integrated into a **production line, material handling system, or HVAC setup**, this motor delivers **consistent, high-performance power** with minimal downtime, making it a trusted choice for industries where reliability is non-negotiable. With **Reliance Electric s extensive warranty and technical support**, operators can confidently deploy this motor, knowing they have access to expert assistance and genuine replacement parts whenever needed. In essence, the **2MAF92792 Master AC Motor** is not just a power source it is a **cornerstone of industrial efficiency, built to endure the challenges of modern manufacturing**.

**Pros and Cons of buying a Reliance Electric 2MAF92792 Master AC Motor (20HP, 1770 RPM)**

1. **Reliability and Brand Reputation** Reliance Electric is a well-established manufacturer known for producing durable, high-quality industrial motors. Their Master series is particularly recognized for reliability in demanding applications.

2. **High Efficiency** This motor is designed with energy-efficient features, which can reduce operational costs over time by lowering electricity consumption.

3. **Premium Build Quality** The motor features robust construction, including high-grade materials and precision engineering, ensuring longevity and reduced maintenance needs compared to lower-end alternatives.

4. **Compatibility with Control Systems** The 2MAF92792 is compatible with modern variable frequency drives (VFDs) and control systems, making it suitable for applications requiring speed control or variable torque.

5. **Warranty and Support** Reliance Electric typically offers warranties and strong after-sales support, which can be valuable for industrial users needing maintenance or replacements.

6. **Performance at Full Load** With a 20HP rating and 1770 RPM, it delivers consistent power for applications like conveyors, pumps, or compressors, ensuring reliable operation under typical industrial loads.

7. **Low Maintenance Requirements** The sealed design and quality bearings reduce the risk of dust, moisture, or debris ingress, minimizing downtime for servicing.

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1. **Higher Upfront Cost** Compared to generic or aftermarket motors, this Reliance Electric model will likely have a higher purchase price, which may be a barrier for smaller businesses or budget-conscious buyers.

2. **Potential Overkill for Light-Duty Use** If the application does not require 20HP continuously, the motor may be more powerful than necessary, leading to inefficiencies or unnecessary energy consumption.

3. **Limited Availability of Spare Parts** While Reliance Electric is reputable, finding replacement parts or servicing may be more challenging than with more widely available brands, especially in regions with fewer distributors.

4. **Weight and Space Requirements** Industrial motors like this one are heavy and bulky. Installation may require additional structural support or space considerations, adding to setup complexity.

5. **Compatibility Issues with Older Systems** If the motor is being integrated into an existing setup with outdated wiring or control systems, additional modifications or upgrades may be needed, increasing costs.

6. **Longer Lead Times** Due to its premium status, ordering may take longer than purchasing a standard motor, which could delay project timelines.

7. **Potential for Overengineering** For applications where intermittent or lower loads are standard, a slightly smaller motor (e.g., 15HP) might suffice, making this 20HP unit less cost-effective.

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### **Conclusion and Recommendation**

The **Reliance Electric 2MAF92792 Master AC Motor (20HP, 1770 RPM)** is an excellent choice for **industrial applications requiring high reliability, efficiency, and durability**. It is ideal for users who prioritize long-term performance, energy savings, and compatibility with advanced control systems. However, its **higher cost and potential overcapacity for lighter-duty tasks** make it less suitable for budget-sensitive or low-load applications.

- **Buy if:** You need a **high-performance, long-lasting motor** for heavy-duty industrial use (e.g., manufacturing, mining, or large-scale HVAC systems) where reliability outweighs initial costs.

- **Consider alternatives if:** Your application requires **lower horsepower** or you are working within a **tight budget**, as a slightly smaller or generic motor may be more cost-effective.

- **Verify compatibility** with your existing electrical and mechanical systems before purchase to avoid unnecessary modifications.

For most **commercial or industrial users with demanding requirements**, this motor is a **strong, well-supported investment**. For smaller operations or less critical applications, a **balanced assessment of cost vs. performance** is advisable.

Details:

Spec Sheet:: Manufacturer: Reliance Electric model /Series: Duty Master A/C Motor Part Number: Not Available tag shows ID NO. Model: 2MAF92792. Specifications:: Weight.

RELIANCE ELECTRIC DUTY MASTER AC MOTOR 20HP 1770RPM USED This listing is for a Reliance Electric Duty Master A/C Motor, rated at approximately 20 HP with 1770 RPM nominal speed. Brand: RELIANCE ELECTRIC. Stock #: IGAM2840037.

part #: 2maf92792 price

• $480.00

specifications oelemot:

• brand: Reliance Electric
• mpn: 2maf92792
• type: General Purpose Motors
• weight: 286 Lbs
• dimensions: 27 X 14 X 17
• state: Michigan
• country: United States
• storage location: Nevada Mro Area Rack 14 Shelf 17

shipping oelemot:

seller oelemot:

• # reviews: 1238
• city: Detroit, Michigan
• rating: 99.7%

offer oelemot:

• started: March 17, 2026
• options: Ship-to-home
• availability: In Stock
• best offers: True
• sold: 0
• quantity: 1

payments oelemot:

• credit card: Diners-club
• other
• wallet: Google-pay

returns oelemot:

• time: 30 Days
• method: Money back
• policy: Returns Accepted
• paid by: Buyer

general oelemot:

• condition: Used
• Industrial Automation Motion Controls > Electric Motors > General Purpose Motors

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