DUNLAP 1157269 Single Phase Ac Induction Motor 1/3 115V 1750RPM

( Brand: Dunlap ), ( Manufacturer Part Number: 1157269 ), ( Part Type: Ac Hp Motor ), ( Actual Rated Input Voltage: 115 V ), ( Full Load Amps: 5.8 ), ( Rated Load: Hp ), ( Ac Frequency Rating: 60 Hz ), ( Base Rpm: 1750 Rpm ), ( Ac Motor Type: Induction/asynchronous ), ( Mounting Type: Base-mounted ), ( Current Type: Ac ), ( Ac Phase: Single Phase )

Review DUNLAP 1/3 Hp Single Phase Ac Induction Motor 115v 1750rpm Model

The **Dunlap 1157269 1/3 Horsepower Single-Phase AC Induction Motor**, rated for **115 volts** and delivering a consistent **1,750 RPM** output, represents a reliable and versatile solution for a wide range of light-duty mechanical applications. Engineered with precision, this compact yet robust motor combines efficiency with durability, making it an ideal choice for industrial, commercial, and residential systems where dependable performance is essential. Operating on a **single-phase AC power supply**, this motor is designed to seamlessly integrate into existing electrical setups without requiring complex wiring modifications, offering convenience and ease of installation. Its **1/3 horsepower** rating provides sufficient torque for applications such as small conveyors, pumps, fans, compressors, and automated machinery, ensuring smooth and consistent operation under typical workloads. The motor s **1,750 RPM** speed is well-suited for applications where moderate rotational velocity is required, balancing efficiency with operational fluidity. Built with high-quality materials, this induction motor is constructed to withstand frequent use while maintaining optimal performance over extended periods, reducing the need for frequent maintenance and minimizing downtime. Its robust construction also contributes to a longer operational lifespan, making it a cost-effective investment for businesses and DIY enthusiasts alike. Whether used in HVAC systems, appliance manufacturing, or small-scale automation, the Dunlap 1157269 delivers a dependable power source that prioritizes reliability without compromising on performance. With its straightforward design and straightforward operation, this motor ensures that users can focus on their primary tasks while benefiting from the seamless functionality of a well-engineered electrical component.

### **Pros and Cons of buying a Dunlap 1157269 (1/3 HP, Single-Phase AC Induction Motor, 115V, 1750 RPM)**

1. **Reliability and Durability** Dunlap is a well-established brand known for manufacturing robust industrial motors. This motor is designed for continuous operation, making it suitable for applications requiring steady performance over time.

2. **Standard Voltage and Frequency Compatibility** The motor operates at **115V single-phase**, which is a common household and light industrial voltage in North America. This eliminates the need for additional voltage conversion in most setups.

3. **High RPM (1750 RPM)** The 1750 RPM speed is ideal for applications requiring moderate to high rotational speed, such as small conveyors, pumps, fans, or compressors. This can improve efficiency in certain mechanical systems.

4. **Single-Phase Design** Unlike three-phase motors, single-phase motors are easier to install in locations without three-phase power, making them more accessible for small workshops, garages, or residential applications.

5. **Compact and Lightweight** At **1/3 HP**, this motor is small and lightweight, making it suitable for applications where space is limited or where portability is a factor.

6. **Low Maintenance Requirements** AC induction motors like this one typically require minimal upkeep, such as occasional lubrication of bearings and periodic inspection of electrical connections.

7. **Cost-Effective for Light-Duty Use** For applications where power demands are low to moderate, this motor provides a balance between performance and affordability compared to larger or more specialized motors.

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1. **Limited Power Output (1/3 HP)** At only **0.25 HP**, this motor may struggle with heavy loads, frequent starts, or applications requiring sustained high torque. It is best suited for light to medium-duty tasks.

2. **Single-Phase Starting Challenges** Single-phase motors require additional components (such as a capacitor start or run capacitor) to achieve proper starting torque. If the application demands high starting power, an external starter may be necessary, adding complexity and cost.

3. **Sensitivity to Voltage Fluctuations** AC motors are sensitive to voltage variations. If the power supply is unstable (e.g., frequent surges or drops), the motor s efficiency and lifespan may be compromised.

4. **Noise and Vibration** Like most small motors, this one may produce some noise and vibration during operation, which could be a concern in noise-sensitive environments.

5. **Limited Overload Capacity** Unlike motors with built-in overload protection, this standard induction motor may overheat if subjected to prolonged overloads without proper safeguards.

6. **Not Ideal for High-Speed or Precision Applications** While 1750 RPM is decent for many tasks, it may not be sufficient for high-speed machinery or applications requiring precise speed control (which would typically require a variable frequency drive, VFD).

7. **Potential Compatibility Issues** If integrating with existing equipment, ensure the motor s shaft size, mounting style, and electrical connections match the application s requirements. Improper fitment can lead to inefficiencies or damage.

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The **Dunlap 1157269 (1/3 HP, 115V, 1750 RPM)** is a **practical and cost-effective choice** for light to medium-duty applications where space, voltage compatibility, and simplicity are priorities. It excels in scenarios such as small conveyors, auxiliary fans, pumps, or compressors where steady, moderate-speed operation is needed without excessive power demands.

However, it is **not suitable** for high-torque, high-load, or precision-driven applications. Users should ensure the motor is paired with proper starting components (e.g., capacitors) and protected against voltage irregularities. If the application involves frequent starts, heavy loads, or requires variable speed control, a more robust motor (e.g., 1 HP or higher) or additional control systems (e.g., a VFD) may be necessary.

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- You need a **reliable, low-cost, single-phase motor** for light-duty tasks.

- Your application operates at **moderate speeds (1750 RPM)** with **consistent, low to medium loads**.

- You have **115V single-phase power** available and can provide proper starting assistance (e.g., capacitor).

- Space and weight are constraints, and the motor fits within your mechanical setup.

- Your application requires **high starting torque or frequent heavy loads** (opt for a **1 HP or higher motor**).

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

- The motor must operate in **harsh environments** (e.g., extreme temperatures, high humidity) without additional protection.

- You require **long-term durability under continuous heavy use** (a **premium or explosion-proof motor** may be better).

For most **general-purpose, low-to-medium load applications**, this Dunlap motor is a **solid, budget-friendly option** that delivers dependable performance when used correctly. Always verify mechanical and electrical compatibility before purchase.

Details:

Dunlap 1/3 HP Single Phase AC Induction Motor 115V 1750RPM model 1157269.

part #: 1157269 prices

• $52.99-$69.99

specifications oelemot:

• brand: Dunlap
• mpn: 1157269
• part type: Ac Hp Motor
• actual rated input voltage: 115 V
• full load amps: 5.8
• rated load: Hp
• ac frequency rating: 60 Hz
• base rpm: 1750 Rpm
• ac motor type: Induction/asynchronous
• mounting type: Base-mounted
• current type: Ac
• ac phase: Single Phase

offer oelemot:

• best offers: True
• quantity: 1
• sold: 0
• started: May 3, 2026
• options: Seller-arranged-local-pickup
• availability: In Stock

general oelemot:

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

seller oelemot:

• rating: 0.0%
• # reviews: 16
• city: Warren, Ohio

shipping oelemot:

payments oelemot:

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

returns oelemot:

• policy: No Returns

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