LEESON Electric Motor Rpm Volt 691720021910 103722.00 1/2 1075 1-PH 115 48YZ A4P11NZ79A

( Brand: Leeson ), ( Manufacturer Part Number: 103722 ), ( Part Type: Hp Motor ), ( Actual Rated Input Voltage: 115/230 V ), ( Rated Load: Hp ), ( Ac Frequency Rating: 60 Hz ), ( Enclosure Type: Teao ), ( Shaft Type: Keyed ), ( Ac Motor Type: Induction/asynchronous ), ( Shaft Diameter: 5/8 In ), ( Insulation Class: B ), ( Reversible/non-reversible: Reversible ), ( Current Type: Ac ), ( Ip Rating: Ip43 ), ( Service Factor: 1.00 ), ( Nominal Rated Input Voltage: 115 V, 230 V ), ( Nema Frame Suffix: Yz ), ( Ac Phase: Single Phase ), ( UPC: 691720021910 )

Review LEESON Electric Motor 1/2 Hp Rpm 1-ph 115 Volt

The **Leeson 103722 (Model 103722.00)** is a robust and versatile **1/2 horsepower (HP) single-phase electric motor** designed for reliable performance in a wide range of industrial, commercial, and mechanical applications. Engineered with precision, this motor operates at a consistent **1075 revolutions per minute (RPM)**, delivering efficient torque and smooth operation for tasks requiring moderate speed and power. Built to meet strict electrical standards, it is rated for **115 volts (V) AC**, making it compatible with standard U.S. power systems while ensuring compatibility with common industrial setups. The motor s compact yet sturdy construction features a **48YZ frame size**, a designation that aligns with NEMA standards, providing a balanced fit for conveyor systems, pumps, compressors, fans, and other machinery where consistent performance is critical.

This motor is equipped with a **4-pole winding configuration**, which optimizes its efficiency and reduces energy consumption while maintaining steady rotational speed. The **A4P11NZ79A** designation indicates a specific model variant, likely incorporating advanced features such as enhanced thermal protection, improved bearing durability, and a sealed design to resist dust, moisture, and contaminants ideal for environments where reliability is non-negotiable. The motor s robust shaft design ensures minimal vibration and wear, contributing to extended operational life and reduced maintenance requirements. Whether integrated into a manufacturing line, HVAC system, or agricultural equipment, this motor provides a dependable power source capable of handling continuous duty cycles with ease.

Designed with operational efficiency in mind, the Leeson 103722 excels in applications where precision and durability are paramount. Its compact yet powerful frame makes it suitable for installations where space is limited, while its single-phase operation simplifies electrical wiring and setup. The motor s high-quality construction, combined with its adherence to industry standards, ensures consistent performance under varying loads, making it a trusted choice for engineers and technicians seeking a dependable motor solution. With its balanced blend of power, efficiency, and reliability, the Leeson 103722 stands as a versatile workhorse for a multitude of mechanical and industrial applications.

### **Analysis of buying a Electric Motor (Leeson 103722, 1/2 HP, 1075 RPM, 1-Phase, 115V)**

1. **Standard Specifications** The motor is a 1/2 horsepower, single-phase, 115V unit with a consistent RPM rating (1075), making it suitable for many common applications like small machinery, pumps, or fans where this power level is adequate.

2. **Compatibility** With a 115V, 1-phase design, it is widely compatible with standard household or light industrial electrical systems in North America, reducing the need for specialized wiring or voltage conversion.

3. **Reliability of Brand** Leeson is a reputable manufacturer known for producing durable motors, suggesting that this unit may have a solid build quality and reasonable longevity if properly maintained.

4. **Cost-Effective for Basic Needs** For applications requiring moderate power (like small compressors, conveyors, or ventilation systems), this motor may offer a cost-effective solution without overpowering the application.

5. **Easy Replacement** If the original motor in an existing system fails, this replacement part is likely to fit without major modifications, saving time and labor costs.

6. **No Specialized Controls Needed** Since it is a standard single-phase motor, it can be directly connected to a plug-and-play setup in many cases, simplifying installation.

---

1. **Limited Power for Heavy-Duty Use** At only 1/2 HP, this motor is not suitable for high-load applications such as large pumps, heavy machinery, or continuous industrial processes that require more power (e.g., 1 HP or higher).

2. **Potential Overheating in Continuous Use** A 1/2 HP motor may struggle with sustained high loads, leading to overheating if the application demands more than its rated capacity. This could shorten its lifespan if not properly sized for the task.

3. **Single-Phase Limitations** While convenient for basic setups, single-phase motors are less efficient than three-phase motors for industrial applications. They may also have higher starting currents, which could require additional components like capacitors for smooth operation.

4. **No Built-In Protection Features** Unless specified elsewhere, this motor may lack built-in overload protection, thermal cutouts, or other safety features, increasing the risk of damage if the system malfunctions.

5. **Potential Compatibility Issues** The model number (48yz a4p11nz79a) is somewhat obscure, and without additional context (e.g., shaft size, mounting dimensions, or enclosure type), there is a risk of mismatches with the intended application. Always verify physical dimensions and electrical connections.

6. **Lifespan Dependent on Maintenance** Like all motors, this unit will require regular maintenance (lubrication, cleaning, and inspection) to perform optimally. Neglecting maintenance could lead to premature failure.

7. **No Warranty or Support Details Provided** Without clear warranty information or access to Leeson s customer support, there may be limited recourse if the motor fails shortly after purchase.

---

This Leeson 1/2 HP, 1075 RPM, single-phase, 115V motor is a practical choice for **light-duty applications** where moderate power is sufficient, such as small appliances, fans, or basic machinery. It offers simplicity, compatibility with standard electrical systems, and reliability for its intended use. However, it is **not suitable for heavy-duty, high-load, or continuous industrial operations** where a higher horsepower or three-phase motor would be more appropriate.

If the motor is being purchased for a **well-defined, low-to-moderate demand application** (e.g., replacing an existing motor in a known system), it may be a sound investment. However, if the application requires **higher power, efficiency, or specialized features**, alternative options should be considered.

---

- You need a replacement motor for a small, low-load system (e.g., a fan, pump, or light conveyor).

- The motor s specifications (HP, RPM, voltage) match the application s requirements exactly.

- You are confident in the motor s physical compatibility (shaft size, mounting, enclosure).

- You are willing to perform basic maintenance to ensure longevity.

- The application demands **continuous heavy use** or **high torque** (e.g., large compressors, industrial mixers).

- You require **three-phase power** or **higher efficiency** for energy savings.

- The motor s cost is not justified by its performance in the intended system.

- You lack access to **warranty support** or **technical assistance** for installation/maintenance.

- If the application requires more power, look for a **1 HP or higher motor** with similar specifications.

- For better efficiency in industrial settings, consider a **three-phase motor** if available.

- Verify the **shaft size, mounting style, and enclosure type** (e.g., NEMA, IP rating) to ensure a perfect fit.

- Check for **motors with built-in protection** (e.g., thermal overload relays) if safety is a concern.

Before finalizing the purchase, **confirm the exact compatibility** with the application and consider consulting an electrician or motor specialist if unsure.

Details:

The package may be externally distressed, but the internal contents are new and unharmed. Condition: Item is brand new and unused. Includes - Everything pictured.

part #: 103722 prices

• $150.00-$337.58

specifications oelemot:

• brand: Leeson
• mpn: 103722
• part type: Hp Motor
• actual rated input voltage: 115/230 V
• rated load: Hp
• ac frequency rating: 60 Hz
• enclosure type: Teao
• shaft type: Keyed
• ac motor type: Induction/asynchronous
• shaft diameter: 5/8 In
• insulation class: B
• reversible/non-reversible: Reversible
• current type: Ac
• ip rating: Ip43
• service factor: 1.00
• nominal rated input voltage: 115 V, 230 V
• nema frame suffix: Yz
• ac phase: Single Phase
• upc: 691720021910

general oelemot:

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

offer oelemot:

• quantity: 1
• best offers: True
• started: May 10, 2026
• availability: In Stock
• sold: 0
• options: Ship-to-home

seller oelemot:

• rating: 99.8%
• # reviews: 637
• city: North Salt Lake, Utah

payments oelemot:

• other
• credit card: Mastercard
• wallet: Paypal

returns oelemot:

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

shipping oelemot:

• type: Fixed
• transit: 4-7 Days
• cost: $0.00
• carrier: FedEx
• class: Economy
• service: FedEx Ground Economy

Leeson 103722 Is Similar To:

• 04d17fk4g Leeson Direct Current Permanent Magnet Motor Hp Rpm (33.1% similar) 38 continuous new motor never used max ABM 40C insul class F3. Leeson motor cat type def frame XS560 torque 27 inch lbs encl TEFL ser fact model 04D17FK4G date code: E010 rpm 1750 hp 3/4 volts 180 amps...(April 4th, 2018)
• 096015.00 Leeson Hp Rpm Vac Motor (27.4% similar) 33 hp rpm vac motor manufacturer: Leeson model. Marketing, listing apps, application. This item is used. C42T17FZ16B. 33 voltage : vac rpm: used, in working condition...(March 9th, 2019)
• 098000.00 Leeson Motor Rpm Type Df Frame (32.3% similar) 0FRAME: NSS56CRATING: cont insulation class: F3OUTPUT shaft size: I saw the equipment work this has been bench tested too. Please look at the photos for specification and condition sold as is. This motor ran the convener belt through a gear reduction box. This came off of a working small town ...(February 2nd, 2019)
• 098014.00 Leeson Dc Motor Frame Type (26.7% similar) 180V C142D17FT1C frame 71D IP54 type L71-12. 37KW Leeson dc motor...(April 25th, 2018)
• 100116 Leeson Hp Rpm Fr Electric Motor Switch (38.8% similar) I'm selling them because closing my jewelry business. See pictures for details...(June 19th, 2018)
• 100205.00 Leeson Motor Frame (25% similar) I am selling a new in the box Leeson pump motor as shown and described. Keywords: ao smith century magnetic universal electric motors pr...(November 28th, 2018)
• 100357.00 Leeson Electric Motor Single Phase (37.5% similar) Leeson 3/4 hp - 3450RPM 60HZ appears to be new unused efficiency standard full load 60 hz we had test it before put for sale number of poles duty continuous mount type round enclosure DP frame insulation b3 temperature c shaft diameter in dimension please see pictures severe features false overload ...(April 21st, 2018)
• 100794.00 Leeson Electric Motor Rpm Frame New In Box (39.7% similar) Any questions please send me a message...(November 18th, 2018)
• 100805.00 Leeson Motor A4p11nj1f 11 (31.9% similar) 0, ABM 40C, code d, eff 66, ins B3, duty air over, design n, pf 92, 5/8 shaft stock TB22, sf 1/4 hp, 1075 rpm, fr S56Z, 1PH, 115 230V, encl ten, thermally protected, hz 60, Fla Leeson motor model A4P11NJ1F, cat...(August 20th, 2017)
• 100955 Leeson Electric Motor Hp Rpm Volt Frame (53.8% similar) Sale is for one Leeson electric motor packaging WINDINGCE484205 carton label Leeson gen purpose GROUP3 iris paint blue - enamel hazardous location none test card. 4 sf amps RPM1800 hertz 60 HP1 3 duty continuous type cf kw. Insulation class eff 75 PF59 cay bearing OPE6203 ugly Leeson ul rec cent ...(March 5th, 2018)
• 101448.00 Leeson 101448 Electric Motor (41% similar) Part: 101448.00 prices...(September 16th, 2017)