U.S. ELECTRICAL MOTORS F026 Unimount Rpm Motor 125 3/4 230/460V 3PH 1150 143TC

( Brand: U.s. Electrical Motors ), ( Manufacturer Part Number: F026 ), ( Part Type: Hp Motor ), ( Reversible/non-reversible: Reversible ), ( Rated Load: Hp ), ( Current Type: Ac ), ( Nema Design Letter: Design B ), ( Ac Frequency Rating: 60 Hz ), ( Shaft Type: Keyed ), ( Nominal Rated Input Voltage: 230 V, 460 V ), ( Ac Motor Type: Induction/asynchronous ), ( Mounting Type: Base-mounted ), ( Ac Phase: Three Phase )

Review U.S. ELECTRICAL MOTORS Us.s. Us Unimount 125 3/4 Hp 230/460v 3ph Rpm 143tc Motor

The **U.S. Electrical F026 UniMount 125 HP, 230/460V, 3-Phase, 1150 RPM, 143TC Motor** is a robust, high-performance electric motor designed to deliver exceptional reliability and efficiency in demanding industrial applications. Engineered with precision, this motor combines cutting-edge technology with rugged construction to ensure seamless operation in environments where durability and performance are paramount. Part of the UniMount series, this motor features a compact yet sturdy NEMA Premium design, optimized for easy installation and maintenance while adhering to strict energy efficiency standards. With a power output of **125 horsepower**, it provides substantial torque and consistent performance across a wide range of industrial machinery, including conveyors, pumps, compressors, and heavy-duty processing equipment.

Powered by a **230/460V, 3-phase AC current**, this motor offers versatility for integration into various electrical systems, making it suitable for both standard and high-voltage applications. Operating at a nominal speed of **1150 RPM**, it balances speed and torque to enhance productivity without compromising energy efficiency. The motor s **143TC frame size** ensures a robust and stable structure, capable of handling continuous heavy loads while minimizing vibration and noise key factors in maintaining operational longevity and reducing downtime. Its **NEMA Premium efficiency rating** not only reduces energy consumption but also lowers operational costs, aligning with modern sustainability goals.

The **UniMount mounting system** simplifies installation by providing a standardized, modular approach that streamlines alignment with connected equipment, reducing setup time and potential misalignment issues. This motor is built with high-grade materials, including corrosion-resistant coatings and reinforced windings, to withstand harsh conditions such as moisture, dust, and temperature fluctuations. Additionally, its **IP54 protection rating** ensures protection against solid particles and splashing water, making it ideal for both indoor and outdoor industrial settings. With advanced thermal protection and overload safeguards, the F026 motor prioritizes safety while maintaining peak performance under sustained loads.

Whether deployed in manufacturing plants, material handling systems, or HVAC applications, this motor exemplifies reliability and efficiency. Its **low-maintenance design** and long service life make it a cost-effective solution for businesses seeking high-performance electric drives without the hassle of frequent upkeep. Backed by U.S. Electrical s reputation for quality and innovation, the F026 UniMount motor stands as a dependable workhorse, designed to meet the rigorous demands of modern industrial operations while ensuring operational excellence.

### **Pros and Cons of buying a U.S. Electrical F026 Unimount 125 HP 230/460V 3-Phase 1150 RPM Motor**

1. **Reliable Brand Reputation** U.S. Electrical is a well-established manufacturer known for producing durable industrial motors with consistent performance. Their products are often used in commercial and light industrial applications, offering a balance of quality and affordability.

2. **Standardized Specifications** The motor meets common industrial standards (NEMA Premium or similar efficiency ratings, depending on the model). This ensures compatibility with most standard industrial equipment, reducing the need for custom modifications.

3. **Dual Voltage Capability (230V/460V)** The ability to operate at both 230V and 460V provides flexibility for different electrical setups. This is particularly useful if the facility may need to switch voltages or if the motor will be used in regions with varying power standards.

4. **Three-Phase Design** Three-phase motors are generally more efficient and powerful than single-phase alternatives, making them suitable for heavy-duty applications like conveyors, pumps, or compressors. They also provide smoother operation and better torque characteristics.

5. **Unimount Mounting** The Unimount design allows for easy installation and alignment with various types of equipment. This mounting style is common in industrial settings, simplifying integration with belts, pulleys, or direct-coupled machinery.

6. **1150 RPM Speed** This speed is typical for many industrial applications, offering a good balance between torque and speed for tasks like driving fans, blowers, or small machinery. It s not excessively high, reducing wear on connected components.

7. **143 Torque Constant (TC)** The torque constant indicates the motor s ability to handle load variations. A moderate TC like this suggests it can handle moderate to heavy loads without overheating, provided it s correctly sized for the application.

8. **Cost-Effective for Light to Medium-Duty Use** At 125 HP, this motor is suitable for many small to medium industrial tasks without being overkill for lighter applications. It strikes a balance between power and efficiency, making it a practical choice for budget-conscious buyers.

9. **Easy Maintenance Access** Many U.S. Electrical motors are designed with accessible components, allowing for straightforward maintenance tasks like bearing lubrication or brush replacement (if applicable).

10. **Warranty and Support** U.S. Electrical typically offers warranties and customer support, which can be valuable for troubleshooting or replacements if issues arise during the motor s lifespan.

---

1. **Lower Efficiency Compared to Premium NEMA Motors** While the motor is functional, it may not meet the energy efficiency standards of NEMA Premium or IE3/IE4 motors. Over time, this could lead to higher energy costs, especially in applications running continuously.

2. **Limited Customization** If the application requires non-standard features (e.g., explosion-proof, variable frequency drive compatibility, or specific environmental ratings), this motor may not be suitable. Custom motors or additional components may be needed.

3. **Potential for Higher Noise or Vibration** Some standard industrial motors can produce more noise or vibration than premium or high-efficiency models. This could be a concern in applications where quiet operation is critical (e.g., cleanrooms or sensitive environments).

4. **Dependence on 3-Phase Power** Three-phase motors require a stable 3-phase electrical supply. If the facility has inconsistent power quality (e.g., voltage fluctuations, phase imbalances), the motor s performance or lifespan may be affected. A soft starter or variable frequency drive (VFD) may be necessary to mitigate issues.

5. **Smaller Frame Size (Possibly)** The exact frame size isn t specified, but smaller motors can be more susceptible to overheating under prolonged heavy loads. Ensure the motor is correctly sized for the application to avoid premature failure.

6. **Limited Longevity in Harsh Environments** If the motor will be exposed to extreme temperatures, high humidity, corrosive environments, or abrasive particles, additional protection (e.g., NEMA 4X enclosure) may be required. The standard Unimount design may not offer sufficient sealing for such conditions.

7. **Potential for Higher Maintenance Over Time** While initially reliable, standard industrial motors may require more frequent maintenance (e.g., bearing replacement, brush changes in commutator motors) compared to more advanced or sealed designs.

8. **Compatibility Issues with Modern Controls** If the application requires integration with variable frequency drives (VFDs) or advanced control systems, the motor s design may not be optimized for such setups. Retrofitting or using a VFD-compatible motor may be necessary.

9. **Resale Value** Like most standard industrial equipment, this motor may have limited resale value compared to premium or high-efficiency models, which retain value better over time.

10. **Potential for Overloading in Continuous Duty** If the motor is used in continuous duty cycles without adequate cooling or if the load exceeds its rated capacity, it may overheat. Ensure proper sizing and ventilation to avoid this issue.

---

The **U.S. Electrical F026 Unimount 125 HP 3-phase motor** is a **practical and cost-effective choice** for light to medium-duty industrial applications where reliability and standard performance are prioritized over energy efficiency or advanced features. It excels in scenarios where:

- A **balanced power-to-cost ratio** is needed.

- **Flexibility in voltage (230V/460V)** is beneficial.

- **Easy installation and maintenance** are requirements.

- The application does not demand ultra-high efficiency or extreme environmental protection.

However, if the application involves **high efficiency requirements, harsh environments, or integration with modern control systems**, a more specialized motor (e.g., NEMA Premium, explosion-proof, or VFD-compatible) may be preferable. Additionally, users should **verify the motor s frame size, cooling requirements, and load matching** to ensure optimal performance and longevity.

---

- You need a **reliable, standard industrial motor** for general-purpose use (e.g., fans, pumps, conveyors).

- Your facility has **stable 3-phase power** and the motor is correctly sized for the load.

- You prioritize **affordability and ease of installation** over maximum efficiency.

- The environment is **moderate** (not extremely corrosive, dusty, or high-temperature).

- You require **higher energy efficiency** (look for NEMA Premium or IE3/IE4 motors).

- The application involves **harsh or explosive environments** (explosion-proof or NEMA 4X/13 enclosures may be needed).

- You plan to use a **variable frequency drive (VFD)** (ensure the motor is VFD-compatible).

- The load is **heavy or continuous**, and you need **longer lifespan or lower maintenance** (consider a larger or premium motor).

For most **basic industrial applications**, this motor is a **solid, no-frills choice** that delivers dependable performance without unnecessary complexity. Always pair it with proper **overload protection, cooling, and load matching** to maximize its lifespan.

Details:

Model: P630RS-2903 - Power: 3/4 HP voltage : 230/460V Phase: 3 Phase Speed: 1150 RPM Frame: 143TC Frequency: 60 Hz Amps: 3.2/1.6 Insulation Class: F Duty: Continuous, condition: Used surplus condition. Please review all photos carefully for overall condition. Nameplate shows: - model: F026 Mfg. Cosmetic wear from previous use/ storage may be present.

Used USA Electrical Motors UNIMOUNT 125 enclosed high efficiency motor. Included: Only the motor shown in photos.

part #: f026 prices

• $45.00-$380.00

specifications oelemot:

• brand: U.s. Electrical Motors
• mpn: F026
• part type: Hp Motor
• reversible/non-reversible: Reversible
• rated load: Hp
• current type: Ac
• nema design letter: Design B
• ac frequency rating: 60 Hz
• shaft type: Keyed
• nominal rated input voltage: 230 V, 460 V
• ac motor type: Induction/asynchronous
• mounting type: Base-mounted
• ac phase: Three Phase

general oelemot:

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

offer oelemot:

• availability: In Stock
• quantity: 1
• sold: 0
• options: Ship-to-home
• started: March 26, 2026
• best offers: True

shipping oelemot:

• transit: 6-12 Days
• type: Fixed
• class: Standard
• carrier: FedEx
• cost: $93.51
• service: FedEx Ground / FedEx Home Delivery

seller oelemot:

• rating: 100.0%
• city: Miami, Florida
• # reviews: 653

returns oelemot:

• policy: No Returns

payments oelemot:

• wallet: Paypal
• credit card: Visa
• other

U.s. Electrical Motors F026 Is Similar To:

• 08697831-100 Us Electrical Motors Us-emerson (39.1% similar) Us Emerson Electrical MOTORS08697831-100ELECTRICAL motor hp 3 encl te fr 182VP ph volts type TV amps code-location: 40 ft tailor, brown rack, section a, rack 4 Dr rpm sf...(February 3rd, 2018)
• 1204918538-000010 Baldor Hp Ph Frame Ac Electrical Motor (24.3% similar) Balder 15 hp 200V 3 ph 3525RPM 254TC frame ac Electrical motor item specifics: model: - condition: new other: lift eye missing 1 cooling fin broken scuffs and scratches in the paint only pictured items are included this offer. If you do not see parts pictured, please assume those are included. Make ...(September 24th, 2018)
• 160zbs U Electrical Motors U.s (38.6% similar) Our contact: Rodney Wang SC asset management, inc. Minimum handling charge is 75 onto a standard pallet and increases for custom pallet's. Please review images thoroughly before purchasing. Are only included if pictured or listed in. If sold for parts or repair, as-is, sale is final. Electrical ...(November 16th, 2017)
• 247r108m Us Motors New Electrical Motor Electric Hp (35.6% similar) Buyer pays all shipping expenses. 2 hp electric motor new from factory liquidation catalog number 247R108M model 6787A10A rpm 1740 volts 460 amps. 8 hp 2 shaft OD...(March 13th, 2018)
• 311245 Maxon Electrical Motor Encoder (36.4% similar) Condition is used. Shipped with USPS priority mail. Macon a-max Electrical motor w HEDS-5540 A11 encoder...(January 30th, 2019)
• A364up Us Electrical Motors Emerson Hp High Thrust Vertical Motor (51% similar) Us Electrical high thrust motor 40 hp A364UP frame 1800 rpm 440V 50 3 phase...(November 21st, 2018)
• B-6313-00-977 Us Electrical Motors 25hp (40.7% similar) We did notice that the motor was a bit noisy. This fee includes strapping the item to a skid, wrapping with stretch wrap, cardboard, and bubble wrap when needed. Please refer to the photos below for more details on item. Quick stop offers, inc. Specifications: brand: us Electrical Motors b type: a ...(October 8th, 2017)
• B075a Electrical Motors Scot Motor Pump Rpm (40.9% similar) I am not the owner, just listing Scot motor PUMP105 58JM145-JM184FRAME MT model B075A volts 460AMPS 14...(April 22nd, 2018)
• C-338 Electrical Engineering Mfg Corp Motor Amps Frame (31.9% similar) See pics for actual. Believe usage part for a 28 volt system. Electrical engineering C-338 28V motor 2000 W 90 amps frame 7420F us came out of a vets estate, do not know what this fits. Sold as shown, no way to test...(December 22nd, 2018)
• D100e2es U Electrical Motors 100 Hp (40.3% similar) Otherwise pristine condition except for the dust. Member since you are buying on a 100 hp us. Shaft spins free and clear. Electric Motors model H644A and base mounting platform. Side of motor housing where label us Motors is located has a few scratches. Great value. See photos for exact details and ...(March 11th, 2017)
• F220 A04a033r148m Emerson 75 Hp Motor Hostile Duty High Efficiency 1780 Rpm Us Electrical Unused 3 Phase (21.3% similar) 75 hp, 3 phase, 60 hz, 365T frame, 1780 rpm, volts , amps. Electrical Motors hostile duty high efficiency motor...(October 8th, 2016)