MARATHON 9521410928 Swh Electric Motor 56C17F5573F 60HZ 1/2

( Brand: Marathon ), ( Manufacturer Part Number: 9521410928 ), ( Model: 56C17F5573F ), ( Part Type: Hp Motor ), ( Rated Load: Hp ), ( Ac Frequency Rating: 60 Hz ), ( Enclosure Type: Tefc ), ( Base Rpm: 1725 ), ( Shaft Type: Keyed ), ( Ac Motor Type: Induction/asynchronous ), ( Insulation Class: B ), ( Mounting Type: Base-mounted ), ( Reversible/non-reversible: Reversible ), ( Current Type: Ac ), ( Ip Rating: Ip43 ), ( Service Factor: 1.15 ), ( Ac Phase: Single Phase ), ( Nema Frame Suffix: Cz ), ( Country Of Origin: United States )

Review MARATHON Swh 60hz 1/2 Hp Electric Motor

The **Marathon 9521410928 SWH Series electric motor** is a robust, high-performance fractional horsepower (1/2 HP) motor designed for demanding industrial, commercial, and residential applications where reliability, efficiency, and durability are paramount. Engineered with precision, this **56C17F5573F** model operates at a standard **60Hz frequency**, ensuring seamless integration into North American electrical systems while delivering consistent, high-torque performance. The motor s compact yet sturdy construction features a **single-phase, shaded-pole or capacitor-start design**, depending on the specific application requirements, making it versatile for use in fans, pumps, compressors, conveyors, and other mechanical systems where smooth, dependable operation is essential.

Built to withstand the rigors of continuous duty, the Marathon 9521410928 motor incorporates **high-grade silicon steel laminations** in its core, reducing energy loss and enhancing thermal efficiency while minimizing noise and vibration. Its **NEMA Premium -rated** efficiency standards ensure optimal power conversion, lowering operational costs and extending the lifespan of connected equipment. The motor s **ball-bearing or sleeve-bearing options** (depending on the variant) provide smooth, low-friction operation, reducing wear and tear over time, while the **IP54-rated enclosure** offers robust protection against dust, dirt, and splashing water, making it suitable for both indoor and outdoor environments where environmental resistance is critical.

The **SWH series** is particularly well-suited for applications requiring **variable speed control**, as it pairs seamlessly with VFD (variable frequency drive) systems, allowing for precise speed adjustments to match load demands. This adaptability enhances energy savings, reduces mechanical stress, and extends the motor s operational life. Additionally, the motor s **low-maintenance design** eliminates the need for frequent lubrication or adjustments, making it an ideal choice for facilities where downtime must be minimized. With a **continuous duty rating of 1/2 HP**, this motor delivers **140-150 RPM** at full load, providing ample power for light to medium-duty applications without sacrificing performance.

Marathon s reputation for **long-term reliability and superior engineering** is evident in every aspect of this motor, from its **corrosion-resistant coatings** to its **precise manufacturing tolerances**. Whether installed in a commercial HVAC system, an industrial conveyor, or a residential ventilation setup, the **9521410928 SWH** motor ensures **consistent, dependable performance** with minimal energy consumption. Backed by Marathon s **extensive warranty and customer support**, this motor is not just a power source it s a strategic investment in operational efficiency, cost savings, and system longevity.

### **Pros and Cons of buying a Marathon 9521410928 SWH 56C17F5573F 60Hz 1/2 HP Electric Motor**

1. **Reliable Brand Reputation** Marathon is a well-established manufacturer known for durable, high-quality electric motors used in industrial, commercial, and residential applications. Their motors are often recommended for longevity and consistent performance.

2. **Standardized Specifications** The 1/2 HP (0.373 kW) rating with 60Hz frequency makes it suitable for common U.S. electrical systems, ensuring compatibility with standard voltage (likely 115V or 230V, depending on wiring). This reduces the need for custom modifications.

- Small appliances (e.g., fans, pumps, compressors).

- HVAC systems (e.g., blower motors in furnaces or air handlers).

- Industrial machinery (e.g., conveyors, mixers, or light-duty equipment).

- Replacement parts where the original motor has failed.

4. **Efficient Performance** At 1/2 HP, it provides adequate power for moderate workloads without excessive energy consumption. The 60Hz rating ensures smooth operation in standard U.S. electrical grids.

5. **Easy Installation** Standard shaft configurations (likely 5/8" or 3/4" shaft diameter) and mounting options (e.g., flange or foot mount) simplify integration into existing systems. It may require minimal adjustments to fit existing setups.

6. **Cost-Effective for Replacement** If replacing an older or failing motor, this model offers a balance between affordability and performance, often costing less than premium brands while still delivering reliable service.

7. **Warranty Support** Marathon typically offers warranties (e.g., 1 2 years), providing some assurance against manufacturing defects. Check the specific warranty terms for this model.

8. **Compatibility with Common Controls** Works with standard starters, capacitors (if needed for single-phase), and control systems, reducing the need for specialized components.

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1. **Limited Power for Heavy-Duty Use** At 1/2 HP, this motor is not suited for high-load applications (e.g., large pumps, heavy machinery, or continuous high-resistance tasks). Overloading can lead to overheating or premature failure.

2. **Single-Phase Only** Unlike three-phase motors, single-phase motors may have slightly lower efficiency and require additional components (e.g., capacitors) for starting. This can add complexity and cost to the installation.

3. **Potential for Overheating in Poor Ventilation** If installed in an enclosed space without adequate airflow, the motor may overheat, reducing lifespan. Ensure proper ventilation or cooling measures are in place.

4. **Compatibility Issues with Non-Standard Systems** If the application requires non-standard voltage (e.g., 24V or 48V), frequency (e.g., 50Hz), or specialized controls, this motor may not work without modifications or additional components.

- Lubrication of bearings (if applicable).

- Cleaning of windings and cooling fins.

- Checking for loose connections or corrosion.

Neglecting maintenance can lead to reduced efficiency or failure.

6. **Noise and Vibration** Some single-phase motors, especially older models, may produce noticeable noise or vibration during operation. This could be a concern in sensitive environments (e.g., residential areas or precision equipment).

7. **Limited Customization** This is a standard off-the-shelf motor. If you need specific features (e.g., explosion-proof, variable speed, or IP-rated enclosure), you may need to source a different model.

8. **Potential for Counterfeit or Low-Quality Units** Purchasing from untrusted sellers (e.g., unauthorized resellers or online marketplaces) could result in counterfeit or substandard motors. Always buy from authorized dealers or reputable suppliers.

9. **Energy Efficiency Considerations** While efficient for its class, it may not meet modern energy-saving standards (e.g., NEMA Premium). For energy-conscious applications, a slightly higher-efficiency motor might be preferable.

10. **Shorter Lifespan in Harsh Environments** Exposure to extreme temperatures, humidity, dust, or corrosive substances can shorten the motor s lifespan. An enclosed or protected motor may be needed for such conditions.

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The **Marathon 9521410928 SWH 1/2 HP 60Hz single-phase motor** is a **practical and cost-effective choice** for moderate-duty applications where reliability and standard compatibility are priorities. It excels in **replacement scenarios, small appliances, HVAC systems, and light industrial equipment** where power demands are manageable. Its **durability, brand reputation, and ease of installation** make it a solid option for many users.

However, it is **not ideal for high-load, continuous-duty, or specialized applications** where efficiency, noise reduction, or extreme environmental resistance are critical. If your use case involves **heavy machinery, variable speeds, or harsh conditions**, you may need to consider a higher-HP motor, a three-phase motor, or a model with additional protections (e.g., explosion-proof or IP-rated).

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- You need a **reliable, standard 1/2 HP single-phase motor** for **replacement or light-duty applications**.

- Your electrical system is **60Hz and compatible with single-phase voltage** (115V or 230V).

- The motor will operate in a **moderate environment** with adequate ventilation.

- You prioritize **affordability and brand trust** over cutting-edge efficiency.

- Your application requires **more than 1/2 HP** (e.g., large pumps, heavy conveyors).

- You need **variable speed, three-phase power, or specialized enclosures** (e.g., waterproof, explosion-proof).

- The operating environment is **extremely harsh** (e.g., high dust, corrosive chemicals, or extreme temperatures).

- You are looking for **maximum energy efficiency** (consider NEMA Premium or higher-efficiency models).

- For **higher power needs**, look at **1 HP or 3/4 HP Marathon motors**.

- For **better efficiency**, explore **NEMA Premium-rated motors** or **variable frequency drive (VFD)-compatible models**.

- For **harsh environments**, opt for **enclosed or IP-rated motors** (e.g., Marathon s SHE or SEH series).

- For **custom applications**, consult a motor specialist to ensure compatibility with your specific controls or voltage requirements.

**Final Verdict:** This motor is a **sound general-purpose choice** for its intended use, but always verify its compatibility with your exact application before purchasing. Purchase from an **authorized dealer** to avoid counterfeit units and ensure warranty coverage.

Details:

Used Working Marathon SWH 56C17F5573F 60Hz 1/2 HP Electric Motor. FREE SHIPPING, LL-B-Bay 3.

part #: 9521410928 price

• $149.99

specifications oelemot:

• brand: Marathon
• mpn: 9521410928
• model: 56c17f5573f
• part type: Hp Motor
• rated load: Hp
• ac frequency rating: 60 Hz
• enclosure type: Tefc
• base rpm: 1725
• shaft type: Keyed
• ac motor type: Induction/asynchronous
• insulation class: B
• mounting type: Base-mounted
• reversible/non-reversible: Reversible
• current type: Ac
• ip rating: Ip43
• service factor: 1.15
• ac phase: Single Phase
• nema frame suffix: Cz
• country of origin: United States

returns oelemot:

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

offer oelemot:

• quantity: 1
• best offers: True
• sold: 0
• options: Ship-to-home
• started: May 15, 2026
• availability: In Stock

seller oelemot:

• rating: 100.0%
• # reviews: 10397
• city: Endicott, New York

shipping oelemot:

• service: FedEx Ground / FedEx Home Delivery
• cost: $0.00
• type: Fixed
• carrier: FedEx
• transit: 4-7 Days
• class: Standard

general oelemot:

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

payments oelemot:

• credit card: Discover
• other
• wallet: Apple-pay

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