WEG 12518ET3E444TS-W22 Severe Phase Tefc Rpm Induction Motor 460V 3570

( Brand: Weg ), ( Manufacturer Part Number: 12518ET3E444TS-W22 ), ( Part Type: Hp Motor ), ( Actual Rated Input Voltage: 460 V ), ( Full Load Amps: 134 ), ( Inverter/vector Duty Rating: Inverter Duty ), ( Nema Design Letter: Design B ), ( Rated Load: Hp ), ( Special Motor Construction: Severe Duty Motor ), ( Ac Frequency Rating: 60 Hz ), ( Enclosure Type: Tefc ), ( Base Rpm: 3570 ), ( Shaft Type: Keyed ), ( Ac Motor Type: Induction/asynchronous ), ( Insulation Class: F ), ( Mounting Type: Foot-mounted ), ( Current Type: Ac ), ( Protection Against Liquids: Spraying Water ), ( Ip Rating: Ip55 ), ( Service Factor: 1.15 ), ( Ac Phase: Three Phase ), ( Nema Frame Suffix: Ts ), ( Protection Against Solids: Most Wires And Screws )

Review WEG Severe Duty 125 Hp 460v Phase Tefc Rpm Induction Motor

The **WEG 12518ET3E444TS-W22** is a high-performance, industrial-grade **125 Horsepower (HP) three-phase induction motor** engineered for demanding applications requiring reliability, efficiency, and durability. Designed under WEG s rigorous engineering standards, this **TEFC (Totally Enclosed Fan-Cooled)** motor operates at **460 volts** and delivers **125 HP of continuous power** while maintaining an optimal **3,570 RPM synchronous speed**, making it ideal for heavy-duty machinery such as conveyors, pumps, compressors, and industrial fans. Its robust construction ensures superior thermal management through an integrated cooling fan, preventing overheating even under sustained high-load conditions. The motor s **Class F insulation** and **IP55 protection rating** provide exceptional resistance to dust, moisture, and contaminants, ensuring long-term operational integrity in harsh environments. Built with precision-cast aluminum or steel end shields and a high-strength steel frame, this motor minimizes vibration and noise while maximizing mechanical stability. WEG s advanced **vector control-ready design** allows for seamless integration with variable frequency drives (VFDs), enabling energy-efficient speed adjustments and extended equipment lifespan. Whether deployed in manufacturing plants, mining operations, or commercial facilities, the **12518ET3E444TS-W22** exemplifies WEG s commitment to performance, energy savings, and operational excellence, delivering consistent power with minimal maintenance requirements.

### **Pros and Cons of buying a Weg 12518ET3E444TS-W22 (125 HP, 460V, 3-Phase, TEFC, 3570 RPM Induction Motor)**

1. **High Power Output (125 HP)** Suitable for demanding industrial applications such as pumps, compressors, conveyors, and heavy machinery where consistent torque and performance are required.

2. **460V Three-Phase Design** Ideal for industrial environments where 460V power is standard, offering better efficiency and lower current draw compared to single-phase motors of similar power.

3. **Total Enclosed Fan-Cooled (TEFC) Construction** Protects internal components from dust, moisture, and contaminants, making it durable for harsh environments like manufacturing plants, mines, or outdoor installations.

4. **Reliable Induction Motor Technology** Proven reliability with minimal maintenance requirements, long lifespan, and cost-effective operation compared to premium efficiency or synchronous motors.

5. **Standardized NEMA Design (W22 Frame)** Compatible with most industrial gearboxes, couplings, and mechanical systems, ensuring ease of integration.

6. **3570 RPM Speed** Balances torque and speed for applications where moderate rotational speed is sufficient, reducing mechanical stress on connected equipment.

7. **Weg Brand Reputation** Weg is a well-established manufacturer known for quality, durability, and strong after-sales support, especially in Latin America and global markets.

8. **Cost-Effective for High-Duty Applications** While not a premium efficiency motor, it delivers strong performance at a lower upfront cost compared to energy-efficient or variable-frequency drive (VFD)-ready models.

9. **Wide Availability of Spares** Due to its popularity, replacement parts and service are readily accessible, reducing downtime risks.

10. **Suitable for Continuous Duty (S1)** Designed for prolonged operation without overheating, making it ideal for 24/7 industrial processes.

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1. **Not Premium Efficiency** This is a **Standard Efficiency (IE2)** motor, meaning it consumes more energy compared to **IE3 or IE4 (Premium Efficiency)** models. Over time, this could increase operational costs, especially in energy-intensive applications.

2. **No Built-in VFD Compatibility** Unlike some motors designed for variable frequency drives (VFDs), this model may require additional components (e.g., VFD-rated winding) if used with a VFD, potentially adding complexity and cost.

3. **Higher Inrush Current** Induction motors typically draw 5 7 times their running current during startup, which may require careful consideration of electrical infrastructure (e.g., circuit breakers, transformers).

4. **Limited Environmental Ratings** While TEFC protects against dust and moisture, it may not be suitable for **explosive (Class I/II/III) or corrosive (e.g., chemical plants)** environments unless additional sealing or coatings are applied.

5. **Weight and Size** At 125 HP, this motor is heavy ( 1,200 1,500 lbs depending on exact frame) and requires robust mounting and foundation support, which may add installation complexity.

6. **Potential for Higher Maintenance Over Time** While induction motors are durable, bearings and windings may require periodic inspection, especially in dusty or dirty environments.

7. **No Digital or Smart Features** Unlike newer "smart motors" with built-in monitoring (e.g., current sensors, predictive maintenance), this motor lacks advanced diagnostics, which could limit efficiency tracking.

8. **Longer Lead Times Possible** Depending on region and demand, stock availability may vary, leading to delays in procurement.

9. **Noise and Vibration** Induction motors can generate more noise and vibration compared to premium or synchronous alternatives, which may require additional soundproofing or balancing in sensitive applications.

10. **Limited Customization** This is a standard off-the-shelf motor; customizations (e.g., special enclosures, IP ratings, or voltage options) would require additional costs or lead time.

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### **Conclusion**

The **Weg 12518ET3E444TS-W22 (125 HP, 460V, TEFC, 3570 RPM)** is a **reliable, cost-effective choice for industrial applications** where **durability, standard performance, and ease of maintenance** are prioritized over energy efficiency or advanced features. It excels in **high-torque, continuous-duty roles** such as pumps, compressors, and conveyors where a robust, no-frills motor is sufficient.

However, if **energy savings, VFD compatibility, or premium efficiency** are critical, a **higher-efficiency motor (IE3/IE4)** or a **synchronous motor** may be more advantageous despite the higher upfront cost. Additionally, for **extreme environments (explosive, highly corrosive, or high-dust)**, specialized enclosures (e.g., **Explosion-Proof, IP66/68**) would be necessary, adding to the cost.

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### **Recommendation**

- You need a **high-power, reliable workhorse** for standard industrial applications.

- Your facility has **460V three-phase power** and does not require premium efficiency.

- **Maintenance and downtime costs** are managed proactively (e.g., regular bearing/lubrication checks).

- **Energy efficiency is not a top priority**, and the motor will run in a **moderately clean environment**.

- You value **Weg s reputation for durability** and **easy availability of parts**.

- **Energy costs are a major concern** Opt for an **IE3 or IE4 premium efficiency motor** (e.g., Weg s own high-efficiency models or brands like ABB, Siemens, or TECO).

- **VFD control is required** Choose a **VFD-rated motor** (e.g., Weg s **W22 VFD-compatible models**) or a **synchronous motor**.

- **Extreme environmental conditions** (explosive, corrosive, or high-dust) exist Select a motor with **higher IP/NEMA ratings** (e.g., **IP66, NEMA 4X, or explosion-proof**).

- **Noise or vibration sensitivity** is an issue Evaluate **premium or synchronous motors** for smoother operation.

- **Budget allows for long-term savings** A slightly more expensive motor with **better efficiency or smart features** may pay off over time.

For **most standard industrial applications where cost and reliability are balanced**, this Weg motor is a **solid, practical choice**. However, if **energy efficiency, advanced controls, or extreme environmental protection** are needed, upgrading to a higher-tier motor would be justified. Always conduct a **cost-benefit analysis** comparing upfront expenses with long-term operational savings.

Details:

WEG Severe Duty 125 HP 460V 3 Phase TEFC 3570 RPM Induction Motor.

part #: 12518et3e444tsw22 prices

• $4240.43-$9105.16

specifications oelemot:

• brand: Weg
• mpn: 12518et3e444ts-w22
• part type: Hp Motor
• actual rated input voltage: 460 V
• full load amps: 134
• inverter/vector duty rating: Inverter Duty
• nema design letter: Design B
• rated load: Hp
• special motor construction: Severe Duty Motor
• ac frequency rating: 60 Hz
• enclosure type: Tefc
• base rpm: 3570
• shaft type: Keyed
• ac motor type: Induction/asynchronous
• insulation class: F
• mounting type: Foot-mounted
• current type: Ac
• protection against liquids: Spraying Water
• ip rating: Ip55
• service factor: 1.15
• ac phase: Three Phase
• nema frame suffix: Ts
• protection against solids: Most Wires And Screws

payments oelemot:

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

seller oelemot:

• # reviews: 11
• city: Milford, Michigan
• rating: 100.0%

shipping oelemot:

• type: Fixed
• cost: $487.00
• class: Freight
• service: Flat Rate Freight

offer oelemot:

• quantity: 1
• sold: 0
• options: Ship-to-home
• started: March 29, 2026
• availability: In Stock

general oelemot:

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

returns oelemot:

• policy: No Returns

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