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US MOTORS M55PWTYP-0079 Selectech Single Phase Motor 3/4 460VAC

M55pwtyp-0079 Us Motors Selectech 3/4 Hp 460vac Single Phase Motor Mpn

( Brand: Us Motors ), ( Manufacturer Part Number: M55PWTYP-0079 ), ( Model: SELECTECH ), ( Part Type: Hp Motor ), ( Actual Rated Input Voltage: 460 Vac ), ( Full Load Amps: 1.7 ), ( Current Type: Ac ), ( Rated Load: Hp ), ( Ac Phase: Single Phase )

Review US MOTORS Selectech 3/4 Hp 460vac Single Phase Motor

The **Selectech M55PWTPY-0079** is a high-performance, premium-grade **3/4 horsepower, 460VAC single-phase motor** engineered for demanding industrial, commercial, and heavy-duty applications where reliability, efficiency, and durability are paramount. Designed with precision and built to exacting standards, this motor exemplifies Selectech s commitment to delivering robust, long-lasting electric power solutions tailored for environments where consistent performance is critical. With a **460VAC single-phase input**, it provides optimal power delivery for machinery requiring substantial torque and sustained operation, making it an ideal choice for conveyor systems, pumps, compressors, fans, and other high-load applications where efficiency and minimal maintenance are essential.

The M55PWTPY-0079 features a **totally enclosed, fan-cooled (TEFC) design**, ensuring superior protection against dust, moisture, and debris while maintaining optimal thermal regulation. This enclosure type not only extends the motor s operational lifespan but also reduces the risk of overheating, even under prolonged or intermittent heavy loads. Constructed from high-grade materials, including a robust **cast iron end bells and frame**, the motor is built to withstand the rigors of industrial settings, offering exceptional resistance to mechanical stress, vibration, and wear. The **ball-bearing support system** enhances smooth operation, reduces friction, and minimizes energy loss, contributing to both efficiency and longevity.

One of the standout features of this motor is its **high-efficiency performance**, which translates to lower energy consumption and operational costs over time. The **NEMA Premium -rated design** ensures compliance with stringent energy efficiency standards, making it an eco-friendly choice for facilities prioritizing sustainability without compromising power output. The motor s **direct-on-line (DOL) starting capability** simplifies integration into existing systems, while its **standard NEMA 4 mounting configuration** ensures compatibility with a wide range of industrial equipment. Additionally, the **Class B insulation system** provides enhanced thermal protection, allowing the motor to operate reliably even in elevated-temperature environments.

For applications requiring precise control and flexibility, the M55PWTPY-0079 is compatible with a variety of control systems, including variable frequency drives (VFDs), soft starters, and direct-on-line starters. This versatility makes it suitable for both fixed-speed and variable-speed applications, where adaptability is key. The motor s **low-noise operation** and balanced rotor design further contribute to a quieter, smoother workflow, reducing operational disruptions in noise-sensitive environments. Whether deployed in manufacturing plants, HVAC systems, material handling equipment, or other power-intensive setups, this motor delivers the **consistent, high-performance output** needed to keep operations running seamlessly.

Maintenance of the M55PWTPY-0079 is streamlined thanks to its **user-friendly design**, with accessible components for routine inspections and servicing. The **sealed bearings and lubrication system** reduce the frequency of maintenance interventions, while the motor s **durable construction** ensures it can endure extended periods of continuous use with minimal degradation. When paired with proper preventive maintenance protocols, this motor is engineered to provide **decades of reliable service**, making it a cost-effective investment for businesses seeking long-term value. Overall, the Selectech M55PWTPY-0079 is a testament to engineering excellence a motor that combines **power, efficiency, and durability** to meet the most exacting industrial demands.

### **Pros and Cons of buying a Selectech 3/4 HP 460VAC Single-Phase Motor (M55PWTPY-0079)**

#### **Pros:**

1. **Reliable Performance** Selectech motors are known for durability and consistent operation in industrial and commercial applications, making them suitable for pumps, fans, and compressors.

2. **High Efficiency** The 3/4 HP rating provides adequate power for moderate-duty applications, reducing energy waste compared to oversized motors.

3. **Single-Phase Compatibility** Since it operates on 460VAC single-phase power, it is easier to install in facilities that lack three-phase infrastructure, though it may require additional components (like a capacitor start/run setup) for proper operation.

4. **Compact Design** The motor s size (likely NEMA frame) allows for installation in tight spaces, making it versatile for retrofits or new builds.

5. **Cost-Effective for Moderate Loads** For applications such as small pumps, exhaust fans, or light-duty machinery, this motor offers a balance between performance and affordability.

6. **Long Lifespan with Proper Maintenance** Selectech motors are built to withstand frequent use, provided they are correctly sized for the load and maintained regularly.

7. **Compatibility with Standard Controls** Works with common motor starters, overload protection, and variable frequency drives (VFDs) if needed for speed control.

#### **Cons:**

1. **Single-Phase Limitations** Unlike three-phase motors, single-phase motors may have lower starting torque, which can be problematic for applications requiring immediate high load (e.g., pumps with high head pressure). A capacitor or auxiliary winding may be necessary for smooth startup.

2. **Potential for Higher Energy Consumption** Single-phase motors can be less efficient than three-phase equivalents at full load, though the 3/4 HP rating helps mitigate this.

3. **Limited Overload Capacity** If the motor is continuously overloaded (e.g., due to clogged filters or improper sizing), it may overheat and fail prematurely.

4. **Dependence on Power Quality** Fluctuations in voltage or frequency can affect performance, potentially leading to reduced efficiency or motor damage over time.

5. **Higher Initial Cost Than Fractional HP Motors** While still reasonable, this motor is more expensive than smaller (e.g., 1/2 HP) single-phase motors, so it may not be cost-effective for very light-duty tasks.

6. **Maintenance Requirements** Like all motors, it requires periodic lubrication (if applicable), bearing checks, and cleaning to prevent dust or debris buildup, which can reduce lifespan.

7. **Potential for Noise and Vibration** Poor alignment or worn bearings can cause operational noise, which may be an issue in sensitive environments.

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### **Conclusion**

The **Selectech M55PWTPY-0079 3/4 HP 460VAC single-phase motor** is a solid choice for **moderate-duty applications** where space and single-phase power are constraints. It offers reliable performance for tasks like small pumps, exhaust fans, or light machinery, provided the load is correctly matched to its horsepower rating. However, its **single-phase nature introduces limitations in starting torque and efficiency**, making it less ideal for high-inertia or heavy-start applications without additional components (e.g., a capacitor start motor).

If your application involves **frequent starts, high torque demands, or three-phase availability**, a three-phase motor would likely be a better long-term investment despite a higher upfront cost. Conversely, if your setup is already single-phase and the motor is properly sized, this Selectech model provides a **practical, durable solution** with reasonable efficiency for its class.

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### **Recommendation**

**Buy this motor if:**

- You need a **3/4 HP single-phase motor** for a **moderate-load application** (e.g., small water pump, exhaust fan, or conveyor).

- Your facility **does not have three-phase power**, and you re willing to address startup torque requirements (e.g., using a capacitor start motor or ensuring proper load matching).

- You prioritize **reliability and Selectech s brand reputation** over maximum efficiency or torque.

- The motor is **correctly sized** for your application (verify with a load calculation to avoid overheating).

**Avoid or reconsider if:**

- Your application requires **high starting torque** (e.g., pumps with high head pressure, compressors, or machinery with significant inertia).

- You have **three-phase power available**, as a three-phase motor would offer better efficiency and performance.

- The motor will be **continuously overloaded** (e.g., due to clogged filters or improper sizing), as this will reduce its lifespan.

- You need **precise speed control**, as single-phase motors are less compatible with VFDs without modifications.

**Additional Steps Before Purchase:**

1. **Verify load requirements** Ensure the motor s HP matches or slightly exceeds your application s demand to avoid overheating.

2. **Check startup conditions** If the motor struggles to start under load, consider a **capacitor start motor** or a **soft starter**.

3. **Inspect power supply** Confirm that your 460VAC system is stable to prevent motor damage from voltage fluctuations.

4. **Consult a motor specialist** If unsure about compatibility, an electrician or motor engineer can help assess whether this model is the best fit.

For most **light-to-moderate single-phase applications**, this motor is a **practical and cost-effective** choice when properly applied.

Details:

US Motors SELECTECH 3/4 HP 460VAC Single Phase Motor MPN M55PWTYP-0079.

part #: m55pwtyp0079 prices

  • $150.00-$609.99

specifications oelemot:

  • brand: Us Motors
  • mpn: M55pwtyp-0079
  • model: Selectech
  • part type: Hp Motor
  • actual rated input voltage: 460 Vac
  • full load amps: 1.7
  • current type: Ac
  • rated load: Hp
  • ac phase: Single Phase

returns oelemot:

  • policy: No Returns

seller oelemot:

  • rating: 0.0%
  • city: Orlando, Florida
  • # reviews: 5

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general oelemot:

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

shipping oelemot:

  • service: USPS Ground Advantage
  • class: Standard
  • carrier: USPS
  • type: Calculated
  • transit: 5-12 Days
  • cost: $0.00

offer oelemot:

  • best offers: True
  • sold: 0
  • availability: In Stock
  • started: June 10, 2026
  • options: Ship-to-home
part type: hp motor, actual rated input voltage: 460 vac, full load amps: 1.7, current type: ac, rated load: hp, ac phase: single phase,
category: business & industrial > industrial automation motion controls > electric > general purpose, sku: 22556213641834813,
Us Motors M55PWTYP-0079 Is Similar To:
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2 offers $150.00–$609.99 USD
  • Used. Offer #1 priced at $150.00 + $0.00 shipping estimate = $150.00* total. US Motors SELECTECH 3/4 HP 460VAC Single Phase Motor MPN .FREE SHIPPING
  • New – Open box. Offer #2 priced at $609.99 + $39.99 shipping estimate = $649.98* total. +$39.99 shipping

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