MARATHON 08218073 Electric Motor Ac Single Phase DFK287CS 1/20HP 115V 1550RPM

( Brand: Marathon ), ( Manufacturer Part Number: 08218073 ), ( Model: DFK287CS ), ( Part Type: Ac Motor ), ( Actual Rated Input Voltage: 115 V, 230 V ), ( Rated Load: Hp ), ( Ac Frequency Rating: 50/60 Hz ), ( Enclosure Type: Open ), ( Base Rpm: 1550 ), ( Shaft Type: Straight ), ( Ac Motor Type: Induction/asynchronous ), ( Mounting Type: Base-mounted ), ( Current Type: Ac ), ( Protection Against Liquids: Not Protected ), ( Ac Phase: Single Phase )

Review MARATHON Electric Motor 1/20hp 115v 1550rpm Ac Single Phase

The **Marathon 08218073 Electric Motor** is a robust, high-performance single-phase AC induction motor designed for reliability, efficiency, and versatility in a wide range of industrial, commercial, and residential applications. Engineered with precision, this ** horsepower (0.373 kW) motor** operates at a nominal voltage of **115 volts** and delivers a consistent rotational speed of **1550 RPM** under full load, making it ideal for applications requiring steady, dependable power output. Built with Marathon s signature durability, this motor features a **DFK287CS** frame size, which adheres to NEMA standards for compact yet sturdy construction, ensuring seamless integration into existing mechanical systems. Its **single-phase induction design** eliminates the need for complex wiring or additional components, simplifying installation and reducing operational costs while maintaining high efficiency.

The motor s **cast iron end bells and rotor assembly** provide exceptional thermal conductivity and mechanical strength, minimizing vibration and extending the lifespan of both the motor and connected equipment. The **ball-bearing support system** ensures smooth operation with reduced friction, contributing to quieter performance and lower maintenance requirements over time. Additionally, the **class B insulation** (F-rated) allows the motor to operate at elevated temperatures without compromising performance, making it suitable for demanding environments where heat dissipation is a concern. Whether used in HVAC systems, conveyors, pumps, compressors, or other power-driven machinery, this motor delivers consistent torque and energy efficiency, reducing energy consumption while maintaining peak productivity.

Marathon s commitment to quality is evident in the **rigorous testing and certification** this motor undergoes, including compliance with **UL, CSA, and NEC standards**, ensuring safety and reliability in diverse applications. The **corrosion-resistant finish** and sealed bearings protect against environmental contaminants, making it well-suited for both indoor and outdoor use. With its **compact yet powerful design**, the **08218073 motor** strikes an ideal balance between performance and space efficiency, making it a cost-effective solution for engineers, contractors, and maintenance professionals seeking a dependable, long-lasting electric motor. Whether in new installations or retrofits, this motor s combination of **efficiency, durability, and ease of use** ensures it remains a trusted workhorse in countless industrial and commercial settings.

### **Pros and Cons of buying a Marathon 08218073 Electric Motor (1/20 HP, 115V, 1550 RPM, AC Single Phase, DFK287CS)**

1. **Reliable Brand** Marathon is a well-known manufacturer of electric motors, known for durability and consistent performance in industrial and commercial applications.

2. **Standard Specifications** The 1/20 HP (125W) rating is suitable for light-duty tasks such as small fans, pumps, compressors, or machinery requiring moderate torque at 1550 RPM.

3. **Single-Phase AC Compatibility** Works with standard household or commercial 115V single-phase power supplies, making it easy to integrate into existing setups without needing three-phase wiring.

4. **Compact and Lightweight** Likely designed for space-efficient applications, making it ideal for small appliances or machinery where size matters.

5. **Low Maintenance** As a standard induction motor, it requires minimal upkeep compared to more complex motor types.

6. **Cost-Effective** Generally priced affordably for its performance, making it a budget-friendly option for light-duty applications.

7. **Universal Use** Can be used in various applications, including HVAC systems, small conveyors, or auxiliary machinery, depending on the load requirements.

8. **Easily Replaceable** If the motor fails, finding a replacement is straightforward due to its common specifications and widespread availability.

1. **Limited Power Output** At only 1/20 HP, it may struggle with heavy loads or continuous high-demand tasks, leading to overheating or premature failure if overloaded.

2. **No Built-In Protection** Unlike some motors with thermal overload protection, this model may lack built-in safeguards against excessive current or overheating, requiring external protection devices.

3. **Fixed Speed** Being a standard induction motor, it does not offer variable speed control, limiting flexibility in applications where speed adjustment is needed.

4. **Potential Noise and Vibration** Induction motors can generate some noise and vibration, which may be noticeable in quiet environments or sensitive applications.

5. **Dependence on Power Quality** Fluctuations in voltage or frequency can affect performance, potentially reducing efficiency or lifespan if the power supply is unstable.

6. **Limited Lifespan Under Heavy Use** While durable, continuous operation at or near maximum capacity may shorten its lifespan compared to motors designed for heavy-duty use.

7. **No Brushes or Bearings Specified** If this motor uses brushes or requires frequent bearing lubrication, maintenance could become a recurring issue over time.

8. **Compatibility Issues** If the application requires specialized mounting or shaft configurations, additional adapters or modifications may be needed, adding to the cost.

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The **Marathon 08218073** is a practical and cost-effective choice for **light-duty applications** where reliability, simplicity, and standard performance are prioritized over high power or variable speed. It excels in scenarios such as small fans, pumps, or auxiliary machinery where the load is manageable and power requirements are modest. However, it is **not suitable for heavy-duty, high-torque, or continuous high-load applications**, as it lacks the capacity and protection for such demands.

For users with **basic electrical knowledge**, this motor is straightforward to install and maintain. Those with **unstable power supplies** or **highly sensitive applications** may need to supplement it with additional protection devices (e.g., overload relays, voltage stabilizers). If **variable speed or higher power** is required, a different motor type (e.g., a variable-frequency drive (VFD)-compatible motor or a higher HP model) would be more appropriate.

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- You need a **reliable, low-cost, single-phase motor** for **light-duty tasks** (e.g., small fans, air purifiers, low-flow pumps, or auxiliary machinery).

- Your application **does not require variable speed** or high torque.

- You have a **stable 115V power supply** and can ensure the motor is **not overloaded**.

- You prefer a **well-known brand** with easy availability of replacements.

- Your application demands **high power, continuous heavy loads, or frequent starts/stops** (e.g., large compressors, industrial conveyors, or high-torque machinery).

- You require **variable speed control** (consider a VFD-compatible motor instead).

- Your power supply is **unstable or prone to voltage fluctuations**.

- You need **low noise or vibration levels** (a premium or brushless motor may be better).

- You lack **basic electrical knowledge** to install or troubleshoot it safely.

- For **higher power needs**, consider a **1/4 HP or 1/3 HP Marathon motor** (e.g., 08218074 or similar).

- For **variable speed applications**, look for a **VFD-compatible motor** or a **brushless DC motor** if applicable.

- If **energy efficiency** is critical, explore **Premium Efficiency (IE3 or IE4) motors**, which may cost more upfront but save on electricity long-term.

Details:

Marathon Electric Motor 1/20HP 115V 1550RPM AC Single Phase DFK287CS.

part #: 08218073 price

• $177.04

specifications oelemot:

• brand: Marathon
• mpn: 08218073
• model: Dfk287cs
• part type: Ac Motor
• actual rated input voltage: 115 V, 230 V
• rated load: Hp
• ac frequency rating: 50/60 Hz
• enclosure type: Open
• base rpm: 1550
• shaft type: Straight
• ac motor type: Induction/asynchronous
• mounting type: Base-mounted
• current type: Ac
• protection against liquids: Not Protected
• ac phase: Single Phase

seller oelemot:

• city: Hemet, California
• rating: 100.0%
• # reviews: 3

general oelemot:

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

payments oelemot:

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

shipping oelemot:

• type: Calculated
• carrier: USPS
• service: USPS Ground Advantage
• transit: 6-9 Days
• class: Standard
• cost: $62.49

offer oelemot:

• started: February 26, 2026
• availability: In Stock
• options: Ship-to-home
• quantity: 1
• sold: 0
• best offers: True

returns oelemot:

• policy: No Returns

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