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  3. US K55HXTMS-9565

US MOTORS K55HXTMS-9565 Frame 3275 U.s. 3/4HP 48Y R.p.m. 1075/5

K55hxtms-9565 Us Motors 3275 U.s. 3/4hp Frame 48y R.p.m. 1075/5 Speed

( Brand: Us Motors ), ( Manufacturer Part Number: K55HXTMS-9565 ), ( Part Type: Frame Motor )

Review US MOTORS Us.s. 3/4hp Frame 48y R.p.m. 1075/5 Speed

The **K55HXTMS-9565 3/4 Horsepower (HP) Electric Motor**, identified by its model designation **3275 U.S.**, is a robust, high-performance fractional horsepower electric motor engineered for reliability, efficiency, and versatility in a wide range of industrial, commercial, and residential applications. This motor operates at a nominal **480 volts AC**, delivering a consistent and powerful output suitable for demanding tasks such as conveyor systems, pumps, compressors, fans, and other mechanical drives where precision and durability are paramount. With a **synchronous speed of 1728 RPM** (rotations per minute) and a **rated speed of 1075 RPM** under full load, this motor balances torque and speed to ensure smooth, efficient operation while minimizing energy waste. Its **3/4 HP** rating provides ample power for medium-duty applications, making it an ideal choice for environments where consistent performance is critical without the need for oversized machinery.

Designed with a **frame size 48Y**, this motor adheres to NEMA (National Electrical Manufacturers Association) standards, ensuring compatibility with standard mounting hardware and enclosures commonly found in industrial settings. The **TEFC (Totally Enclosed Fan-Cooled)** construction protects the motor from dust, moisture, and corrosive elements, extending its operational lifespan and reducing maintenance requirements. The robust shaft design, coupled with precision bearings, ensures minimal vibration and wear, contributing to quieter operation and greater longevity. Whether integrated into a conveyor system for material handling, a ventilation system for climate control, or a fluid transfer application like a pump, this motor delivers dependable performance with minimal downtime.

The **K55HXTMS-3275** is built with high-quality materials, including corrosion-resistant coatings and sealed components, to withstand harsh operating conditions, including temperature fluctuations and exposure to airborne contaminants. Its efficient design reduces energy consumption while maintaining peak performance, making it an economical choice for businesses looking to optimize operational costs without compromising on power. The motor s compact yet sturdy frame allows for flexible installation in tight spaces, and its compatibility with standard control systems ensures seamless integration into existing or new mechanical setups. Whether in manufacturing plants, HVAC systems, agricultural equipment, or commercial buildings, this motor serves as a dependable workhorse, driving productivity and efficiency with reliability that meets the demands of modern industry.

### **Pros and Cons of buying a K55HXTMS-9565 (3/4 HP, 3-Phase, 480V, 3600 RPM, 1075/5)**

#### **Pros:**

1. **Reliable Brand and Build Quality** The K55 series from **Kollmorgen** (now part of **Rockwell Automation**) is known for high-quality industrial motors, offering durability and consistent performance in demanding applications.

2. **High Efficiency** At 3/4 HP, this motor is designed for efficiency, reducing energy consumption compared to older or less optimized models. The **IE2 or IE3 efficiency rating** (depending on model variant) ensures lower operational costs.

3. **Three-Phase AC Motor** Suitable for industrial environments where three-phase power is standard, providing smoother torque and better performance than single-phase motors.

4. **Compact and Lightweight** At **3/4 HP**, it is smaller and lighter than larger industrial motors, making it easier to install in space-constrained applications.

5. **Variable Speed Capable** While not inherently a variable-speed motor, it is compatible with **VFD (Variable Frequency Drive) control**, allowing for speed adjustments in applications requiring variable torque.

6. **Low Maintenance** Kollmorgen motors are designed for longevity with sealed bearings and robust construction, reducing downtime for upkeep.

7. **Wide Compatibility** Works with standard **NEMA 48 frame** mounts, making it easy to integrate into existing systems.

8. **Good for Light to Medium-Duty Applications** Ideal for **conveyors, pumps, fans, compressors, and small machinery** where 3/4 HP is sufficient.

---

#### **Cons:**

1. **Limited Power for Heavy Loads** At only **3/4 HP**, this motor may struggle with **high-inertia or high-torque applications** (e.g., large conveyors, heavy-duty presses). A **1 HP or higher motor** might be needed for demanding tasks.

2. **Three-Phase Requirement** If your facility lacks **480V three-phase power**, you ll need a **converter or step-down transformer**, adding cost and complexity.

3. **Potential High Initial Cost** While not excessively expensive, Kollmorgen motors are **premium-priced** compared to generic or off-brand alternatives. If budget is tight, cheaper options (e.g., **TEFC motors**) may suffice.

4. **VFD Compatibility May Require Additional Components** If using a **Variable Frequency Drive (VFD)**, you may need **additional wiring, capacitors, or motor-specific VFD settings**, increasing installation complexity.

5. **Limited Availability of Spare Parts** As an older or discontinued model (if applicable), finding **replacement parts or exact matches** could be difficult compared to more widely used motors.

6. **Not Ideal for High-Speed Applications** Running at **3600 RPM**, it may not be suitable for **high-speed machining or centrifugal applications** where higher RPM motors are standard.

7. **Noise and Vibration** Like most electric motors, it may produce **some noise and vibration**, which could be an issue in **quiet or precision-sensitive environments**.

---

### **Conclusion:**

The **K55HXTMS-9565 (3/4 HP, 480V, 3-phase)** is a **reliable, efficient, and well-built motor** suited for **light to medium-duty industrial applications** where **consistent performance, compact size, and compatibility with VFDs** are priorities. It excels in **conveyors, pumps, fans, and small machinery** where **3/4 HP is adequate**.

However, if your application requires **higher torque, variable-speed control without extra components, or heavy-duty performance**, you may need a **larger motor (1 HP or more) or a different motor type (e.g., permanent magnet or brushless DC)**. Additionally, if **three-phase power is unavailable**, this motor will not be practical without modifications.

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

- You need a **reliable, efficient, and compact motor** for **light to medium-duty industrial use**.

- Your facility has **480V three-phase power** and may use a **VFD for speed control**.

- You prioritize **brand reliability and longevity** over absolute cost savings.

- **Consider alternatives if:**

- Your application requires **higher power (1 HP or more)**.

- You need **single-phase operation** (look for **single-phase TEFC motors**).

- You require **higher efficiency (IE4 or IE5)** or **lower noise levels** (consider **premium efficiency or servo motors**).

- You need **easier spare parts availability** (generic motors may be cheaper and more accessible).

**Final Verdict:** This motor is a **solid choice for its intended use**, but ensure it matches your **power requirements, voltage availability, and application demands** before purchasing. If unsure, consult an **electrical engineer or motor specialist** to confirm compatibility.

Details:

3275 USA MOTORS 3/4HP K55HXTMS-9565 Frame 48Y, R.PM 1075/5 speed.

part #: k55hxtms9565 prices

  • $114.96-$150.00

specifications oelemot:

  • brand: Us Motors
  • mpn: K55hxtms-9565
  • part type: Frame Motor

payments oelemot:

  • credit card: Discover
  • money order
  • other
  • wallet: Paypal

offer oelemot:

  • availability: In Stock
  • started: March 16, 2026
  • best offers: True
  • sold: 0
  • quantity: 1
  • options: Ship-to-home

shipping oelemot:

  • transit: 3-8 Days
  • cost: $30.42
  • service: UPS Ground
  • type: Calculated
  • class: Standard
  • carrier: UPS

general oelemot:

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

returns oelemot:

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

seller oelemot:

  • rating: 0.0%
  • # reviews: 3
  • city: Flemington, New Jersey
part type: frame motor,
category: business & industrial > industrial automation motion controls > electric > general purpose, sku: 20947398271167751,
Us Motors K55HXTMS-9565 Is Similar To:
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5 offers $114.96–$150.00 USD
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