US MOTORS US52ACR Motor B102B 184T 5HP 1745RPM 460V-AC 3PH

( Brand: Us Motors ), ( Manufacturer Part Number: US52ACR ), ( Part Type: 5hp Motor ), ( Model Number: Us52acr B102b ), ( Frame: 184t ), ( Power: 5 Hp ), ( Rpm: 1745 Rpm ), ( Voltage: 460 V-ac ), ( Phase: 3ph ), ( Reference Sku: 1753893 ), ( Product Condition: Used Excellent )

Review US MOTORS Motor 5hp 1745rpm 460v-ac 3ph

The **US52ACR B102B motor** is a robust, high-performance electric induction motor designed for demanding industrial applications requiring reliable, efficient, and durable power transmission. This **5 horsepower (5HP), three-phase, alternating current (AC) motor** operates at a nominal speed of **1,745 revolutions per minute (RPM)**, making it ideal for machinery where moderate to high rotational speeds are essential for optimal performance. Built with a **184-turn winding configuration**, this motor ensures precise control over torque and efficiency, reducing energy consumption while maintaining consistent output power. The **460-volt AC, three-phase (460V-AC, 3ph) design** allows it to integrate seamlessly into industrial power grids, delivering dependable performance in environments where high-voltage systems are standard. Constructed with a **NEMA Premium efficiency rating**, this motor minimizes energy waste, lowering operational costs while adhering to stringent environmental and regulatory standards. Its **B102B frame size** provides a balanced combination of compactness and structural integrity, accommodating a variety of mounting configurations and ensuring compatibility with standard industrial gearboxes, pumps, and conveyor systems. Engineered with high-quality materials, including reinforced end shields and precision-balanced rotor assemblies, this motor is built to withstand prolonged use under heavy loads, reducing maintenance requirements and extending operational lifespan. Whether deployed in manufacturing plants, HVAC systems, or material handling equipment, the **US52ACR B102B motor** delivers a harmonious blend of power, efficiency, and reliability, making it a cornerstone of modern industrial automation.

### **Pros and Cons of buying a US52ACR B102B Motor (184T, 5HP, 1745 RPM, 460V AC, 3-Phase)**

1. **High Efficiency and Performance** The 5HP rating ensures sufficient power for medium-duty industrial applications, such as pumps, compressors, conveyors, and small machinery. The 1745 RPM speed is standard for many industrial drives, making it compatible with a wide range of equipment.

2. **Three-Phase Power Compatibility** Designed for 460V AC, 3-phase power, this motor is ideal for industrial settings where three-phase electricity is standard. It provides smoother operation and higher torque compared to single-phase motors.

3. **Durable Construction** The B102B frame (NEMA size) is a common industrial standard, indicating robust build quality with proper cooling, bearings, and enclosure options (likely TEFC Totally Enclosed Fan-Cooled or similar).

4. **Widely Available and Serviceable** As a standard industrial motor, replacement parts, maintenance, and technical support are readily available from manufacturers like Westinghouse, GE, or other compatible brands.

5. **Compatibility with Variable Frequency Drives (VFDs)** If your application requires speed control, this motor can be paired with a VFD for energy savings and extended lifespan.

6. **Cost-Effective for Medium-Duty Use** At 5HP, it strikes a balance between power and price, making it a practical choice for small to medium industrial applications without overpaying for excessive capacity.

7. **Long Lifespan with Proper Maintenance** With regular lubrication, cooling checks, and alignment, this motor can last **20 years**, reducing long-term replacement costs.

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1. **Higher Initial Cost Compared to Single-Phase Motors** Three-phase motors are generally more expensive upfront than single-phase alternatives, though they offer better performance for industrial use.

2. **Requires Three-Phase Power Supply** If your facility lacks a 460V, 3-phase electrical setup, you ll need additional wiring and infrastructure, increasing installation costs.

3. **Slightly Larger and Heavier Than Smaller Motors** The NEMA B102B frame is bulkier than smaller frames (e.g., B58 or B146), which may limit installation flexibility in tight spaces.

4. **Potential for Higher Energy Consumption** While efficient, a 5HP motor will draw more power than a smaller motor, increasing electricity costs if running continuously.

5. **Maintenance Requirements** Like all motors, it needs periodic bearing lubrication, cooling fan checks, and alignment to prevent premature failure.

6. **Compatibility Issues with Non-Standard Loads** If the connected equipment has unusual torque or speed requirements, the motor may struggle or require additional components (e.g., gearboxes).

7. **Potential for Overkill in Light-Duty Applications** If the motor is significantly larger than needed (e.g., for a small fan or light pump), it may run inefficiently or waste energy.

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The **US52ACR B102B (5HP, 1745 RPM, 460V, 3-phase)** is a **reliable, high-performance industrial motor** suited for medium-duty applications where three-phase power is available. It offers **durability, efficiency, and compatibility with standard industrial equipment**, making it a strong choice for pumps, compressors, conveyors, and similar machinery.

However, if your application is **light-duty, space-constrained, or lacks three-phase power**, a smaller or single-phase motor may be more practical. Additionally, if **energy efficiency is a top priority**, consider checking if a **higher-efficiency NEMA Premium motor** is available, as it may reduce long-term operating costs.

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- You need a **5HP, 3-phase motor** for an industrial application (e.g., HVAC, manufacturing, agriculture).

- Your facility has **460V, 3-phase power** available.

- You require **reliable, long-lasting performance** with standard maintenance.

- The motor is **properly sized** for your load (verify with a load calculation if unsure).

- You only have **single-phase power** (opt for a single-phase motor instead).

- The application is **light-duty** (a 3HP or 2HP motor may suffice).

- You need **ultra-high efficiency** (look for a **NEMA Premium-rated motor**).

- Space is extremely limited (a smaller frame, like B146, may work).

**Final Verdict:** This motor is a **solid industrial choice** for its intended use, provided the electrical and mechanical requirements align. Always verify **voltage, phase, speed, and torque needs** before purchasing to ensure optimal performance.

Details:

Model Number:US52ACR B102B. Pneumatic Motors. Electric Motors. Motor Starters.

Motor Drives. Circuit Breakers. Hydraulic Motors.

part #: us52acr prices

• $254.95-$549.99

specifications oelemot:

• brand: Us Motors
• mpn: Us52acr
• part type: 5hp Motor
• model number: Us52acr B102b
• frame: 184t
• power: 5 Hp
• rpm: 1745 Rpm
• voltage: 460 V-ac
• phase: 3ph
• reference sku: 1753893
• product condition: Used Excellent

returns oelemot:

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

shipping oelemot:

• class: Standard, Expedited, One-day
• type: Fixed
• transit: 2-5 Days
• cost: $0.00
• service: Standard, Expedited, Overnight

seller oelemot:

• rating: 100.0%
• # reviews: 125624
• city: Delta, Ohio

general oelemot:

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

payments oelemot:

• wallet: Paypal
• credit card: Diners-club
• other

offer oelemot:

• options: Ship-to-home
• quantity: 1
• sold: 0
• started: March 19, 2026
• availability: In Stock
• best offers: True

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