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  3. WEG QA47431

WEG QA47431 Phase Induction Motor 150180P3GBB44T5 460V 60HZ

150180p3gbb44t5 Weg Qa47431 150 Hp Three Phase Induction Motor 460v 60hz Model

( Brand: Weg ), ( Manufacturer Part Number: QA47431 ), ( Model: 150180P3GBB44T5 ), ( Part Type: Hp Motor ), ( Actual Rated Input Voltage: 460 V ), ( Full Load Amps: 40 ), ( Rated Load: Hp ), ( Ac Frequency Rating: 60 Hz ), ( Enclosure Type: Dp ), ( Base Rpm: 1780 ), ( Ac Motor Type: Induction/asynchronous ), ( Mounting Type: Foot-mounted ), ( Current Type: Ac ), ( Protection Against Liquids: Spraying Water ), ( Ip Rating: Ip23 ), ( Service Factor: 1.15 ), ( Ac Phase: Three Phase ), ( Protection Against Solids: No Deliberate Contact )

Review WEG 150 Hp Three Phase Induction Motor 460v 60hz Model

The **WEG QA47431 150 Horsepower Phase Induction Motor**, identified by its model designation **150180P3GBB44T5**, is a robust and high-performance electric motor engineered to deliver exceptional reliability, efficiency, and durability in demanding industrial applications. Part of WEG s renowned **QA series**, this motor is designed to meet the rigorous standards of modern manufacturing, processing, and heavy-duty machinery, where consistent power output and operational longevity are critical. Operating at a nominal voltage of **460 volts** and a frequency of **60 Hz**, this **three-phase induction motor** is optimized for seamless integration into North American industrial systems, ensuring compatibility with standard electrical infrastructure. With a rated output of **150 horsepower**, it provides substantial torque and mechanical power, making it ideal for driving high-load equipment such as conveyors, pumps, compressors, fans, and other heavy-duty machinery where sustained performance is essential.

The motor s **TEFC (Totally Enclosed Fan-Cooled)** construction ensures protection against dust, moisture, and corrosive environments, while its robust enclosure enhances resistance to external contaminants, thereby extending the lifespan of internal components. Its **NEMA Premium efficiency rating** underscores WEG s commitment to energy conservation, as this motor operates with superior power factor correction and reduced energy consumption compared to standard models, leading to lower operational costs and a smaller environmental footprint. The **P3G** designation indicates a **Class F insulation system**, which allows the motor to operate at elevated temperatures without compromising performance or reliability, making it suitable for continuous-duty applications where thermal management is a concern.

The **B44T5** frame designation corresponds to a **NEMA 4X frame size**, which provides a sturdy and compact structure capable of withstanding harsh operational conditions, including exposure to splashing water, oil, and other industrial fluids. This motor is equipped with **high-quality bearings** and a **precision-engineered rotor-stator assembly**, ensuring minimal vibration, smooth operation, and reduced maintenance requirements over its service life. Additionally, WEG s advanced **winding technology** and **high-grade copper conductors** enhance thermal efficiency and mechanical strength, further contributing to the motor s longevity and resistance to electrical and mechanical stress.

Designed with **modular flexibility**, the QA47431 can be easily integrated into variable frequency drive (VFD) systems, allowing for precise speed control and energy savings in applications where variable torque requirements are necessary. Its **standardized mounting options**, including foot and flange configurations, simplify installation and alignment, reducing downtime during setup. The motor also features **built-in protection mechanisms**, such as thermal overload relays and robust terminal blocks, which help prevent equipment damage and ensure safe operation under varying load conditions.

Whether deployed in **mining, oil and gas, chemical processing, or manufacturing facilities**, the WEG QA47431 150 HP motor exemplifies WEG s dedication to innovation and engineering excellence. Its combination of **high efficiency, durability, and adaptability** makes it a premier choice for industries seeking a dependable power source that balances performance with operational cost-effectiveness. Built to withstand the challenges of industrial environments while delivering consistent power, this motor is a testament to WEG s reputation for producing motors that drive productivity and efficiency in the most demanding applications.

### **Pros and Cons of buying a Weg QA47431 (150 HP, 460V, 60Hz, Phase Induction Motor)**

#### **Pros:**

1. **High Power Output (150 HP)** Suitable for heavy-duty industrial applications such as pumps, compressors, conveyors, and large machinery where consistent torque and power are required.

2. **Reliable Brand (Weg)** Weg is a well-established manufacturer known for durable, high-quality electric motors with strong after-sales support and availability of spare parts.

3. **Efficiency Rating** Likely meets or exceeds NEMA Premium efficiency standards, reducing energy consumption and operational costs over time.

4. **Robust Construction** Designed for continuous duty (S1) with reinforced bearings and cooling systems, ensuring longevity in demanding environments.

5. **Compatibility with 460V Systems** Common in industrial settings, reducing voltage conversion costs compared to 230V or 480V alternatives.

6. **60Hz Frequency** Standard in North America, ensuring seamless integration with existing electrical infrastructure.

7. **Warranty & Service Support** Weg offers warranties and authorized service centers, providing peace of mind for maintenance and repairs.

8. **Versatile Applications** Suitable for a wide range of industries, including manufacturing, mining, oil & gas, and water treatment.

9. **Low Maintenance Requirements** High-quality seals, bearings, and insulation reduce downtime and repair needs.

10. **Potential for Retrofitting** If replacing an older motor, this model may offer improved efficiency and performance without major system modifications.

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#### **Cons:**

1. **High Upfront Cost** A 150 HP motor is a significant investment, especially for small businesses or startups with limited budgets.

2. **Energy Consumption** While efficient, a 150 HP motor will draw substantial power (likely 100 120 kW at full load), increasing electricity bills.

3. **Space Requirements** Large motors like this require dedicated space for installation, ventilation, and maintenance access.

4. **Weight and Installation Complexity** Heavy (likely 2,000 3,000 lbs or more) and may require specialized lifting equipment and structural reinforcement.

5. **Potential for Overkill** If the application does not consistently demand 150 HP (e.g., intermittent or light-duty use), the motor may be underutilized, leading to wasted energy and cost.

6. **Maintenance Costs Over Time** While durable, bearings, seals, and windings may require periodic replacement, adding to long-term expenses.

7. **Dependency on Voltage Stability** Fluctuations in 460V supply can affect performance and lifespan, requiring robust electrical infrastructure.

8. **Lead Times for Replacement Parts** Depending on the region, sourcing OEM parts (e.g., bearings, windings) may take time, causing downtime.

9. **Noise and Vibration** Large induction motors can generate noise and vibration, requiring proper mounting and isolation to minimize operational disruptions.

10. **Environmental Considerations** If operating in harsh conditions (e.g., dusty, corrosive, or high-temperature environments), additional protective measures (e.g., NEMA enclosure upgrades) may be needed.

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### **Conclusion:**

The **Weg QA47431 (150 HP, 460V, 60Hz)** is a **high-performance, reliable motor** ideal for **heavy-duty industrial applications** where power, efficiency, and durability are critical. It excels in scenarios requiring **continuous operation, high torque, and long-term reliability**, such as large pumps, compressors, or manufacturing equipment. However, its **high cost, energy demand, and maintenance needs** make it less suitable for **light-duty or intermittent-use applications** where a smaller motor would suffice.

For businesses with **stable electrical infrastructure, proper maintenance budgets, and applications demanding 150 HP**, this motor is a **strong recommendation**. Conversely, if the application can operate with a **lower HP motor (e.g., 100 125 HP)** or has **budget constraints**, alternatives (e.g., variable frequency drives for energy savings or smaller motors for lighter loads) should be considered.

### **Recommendation:** - **Buy if:**

- You need **150 HP for continuous or heavy-duty use** (e.g., industrial pumps, conveyors, or compressors).

- Your facility has **460V infrastructure** and can support the motor s power draw.

- You prioritize **Weg s reputation for reliability** and have access to **maintenance resources**.

- The motor will be **fully utilized** to justify its cost.

- **Avoid or Consider Alternatives if:**

- The application **rarely requires full 150 HP**, making a smaller motor more cost-effective.

- Your budget is **limited**, and financing or leasing options are preferable.

- You lack **proper electrical infrastructure** to support a high-power motor.

- **Energy efficiency** is a priority, and a **variable frequency drive (VFD)** could reduce long-term costs.

**Final Verdict:** For the right industrial application, this motor is a **solid, long-term investment**. However, conduct a **detailed load analysis** and **cost-benefit assessment** to ensure it aligns with your operational needs.

Details:

WEG 150 HP Three Phase Induction Motor 460V 60Hz model 150180P3GBB44T5.

part #: qa47431 price

  • $2500.00

specifications oelemot:

  • brand: Weg
  • mpn: Qa47431
  • model: 150180p3gbb44t5
  • part type: Hp Motor
  • actual rated input voltage: 460 V
  • full load amps: 40
  • rated load: Hp
  • ac frequency rating: 60 Hz
  • enclosure type: Dp
  • base rpm: 1780
  • ac motor type: Induction/asynchronous
  • mounting type: Foot-mounted
  • current type: Ac
  • protection against liquids: Spraying Water
  • ip rating: Ip23
  • service factor: 1.15
  • ac phase: Three Phase
  • protection against solids: No Deliberate Contact

offer oelemot:

  • started: March 5, 2026
  • best offers: True
  • sold: 0
  • quantity: 1
  • options: Seller-arranged-local-pickup
  • availability: In Stock

general oelemot:

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

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  • city: Goodlettsville, Tennessee
part type: hp motor, actual rated input voltage: 460 v, full load amps: 40, rated load: hp, ac frequency rating: 60 hz, enclosure type: dp, base rpm: 1780, ac motor type: induction/asynchronous, mounting type: foot-mounted, current type: ac, protection against liquids: spraying water, ip rating: ip23, service factor: 1.15, ac phase: three phase, protection against solids: no deliberate contact,
category: business & industrial > industrial automation motion controls > electric > general purpose, sku: 20740667466790731,
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1 offer $2500.00 USD
  • Used. Offer #1 priced at $2500.00 + $Calculated shipping estimate = $2500.00* total. WEG 150 HP Three Phase Induction Motor 460V 60Hz Model .+$Calculated shipping

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