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  3. US 105633106003

US MOTORS Ac Motor 105633106003 143TC 1HP 1755RPM 208-230/460V-AC 3PH

Us Motors 105633106003 Ac Motor 143tc 1hp 1755rpm 208-230/460v-ac 3ph

( Brand: Us Motors ), ( Part Type: Ac Motor ), ( Model Number: 105633106003 ), ( Frame: 143tc ), ( Power: 1 Hp ), ( Rpm: 1755 Rpm ), ( Voltage: 460 V-ac ), ( Phase: 3ph ), ( Reference Sku: 1745498 ), ( Product Condition: Used Excellent )

Review US MOTORS Ac Motor 143tc 1hp 1755rpm 208-230/460v-ac 3ph

The **1HP, 1755 RPM, 3-Phase AC Motor (Model 105633106003, 143TC)** is a robust, high-performance electric motor designed for demanding industrial, commercial, and manufacturing applications where reliability, efficiency, and versatility are paramount. Engineered with precision, this **TEFC (Totally Enclosed Fan-Cooled)** motor delivers consistent power output while maintaining a compact yet durable construction, making it ideal for use in conveyors, pumps, compressors, fans, and other machinery requiring a balanced blend of torque and speed. Operating at a nominal speed of **1755 RPM**, this motor is perfectly suited for applications where moderate rotational speed is required without sacrificing performance, ensuring smooth and efficient operation across a wide range of industrial processes.

Built to meet strict electrical standards, this motor is **rated for dual-voltage operation (208-230V or 460V, 3-phase, 60Hz)**, providing flexibility for integration into various power systems without the need for additional voltage conversion. The **1HP (horsepower) rating** ensures it can handle moderate to heavy loads with ease, making it a cost-effective solution for applications where a larger motor would be overkill while still delivering dependable performance. Its **NEMA Premium efficiency classification** further enhances its appeal, as it consumes less energy than standard motors while maintaining the same output, contributing to lower operational costs and reduced environmental impact.

The motor s **143TC frame size** strikes an optimal balance between power density and physical dimensions, allowing for easy installation in tight spaces while still accommodating robust mounting options. Constructed with high-quality materials, including a **cast iron end shields and housing**, this motor is designed to withstand harsh operating conditions, including dust, moisture, and temperature fluctuations, thanks to its **TEFC enclosure**. The fan-cooled design ensures efficient heat dissipation, preventing overheating even during prolonged operation, while the **ball-bearing construction** minimizes friction and wear, extending the motor s lifespan and reducing maintenance requirements.

Safety and operational reliability are prioritized in this motor s design, featuring **overload protection mechanisms** and **thermal overload relays** to prevent damage from excessive current or prolonged stress. The **3-phase AC induction motor technology** ensures smooth and consistent power delivery, reducing vibrations and noise levels while maintaining high efficiency. Whether integrated into a production line, HVAC system, or material handling equipment, this motor operates with minimal downtime, offering a dependable power source for continuous industrial operations.

For applications requiring precise control and energy savings, this motor can be easily paired with variable frequency drives (VFDs), allowing for speed adjustments and further optimization of energy consumption. Its **universal compatibility** with standard industrial controls and wiring configurations simplifies installation and reduces setup time, making it a practical choice for both new installations and retrofits. With a focus on durability, efficiency, and adaptability, the **1HP, 1755 RPM, 3-Phase AC Motor (105633106003)** stands as a versatile workhorse for industries seeking a balance of performance, reliability, and cost-effectiveness.

### **Pros and Cons of buying a 1HP, 1755 RPM, 3-Phase AC Motor (Model: 105633106003, 143TC, 208-230/460V)**

#### **Pros:**

1. **High Efficiency and Performance** This motor is designed for industrial applications, offering reliable performance under continuous operation. The 1755 RPM speed is standard for many industrial drives, ensuring compatibility with pumps, compressors, and conveyors.

2. **Dual Voltage Capability (208-230V/460V)** The ability to operate on both 208-230V (single-phase or three-phase) and 460V (three-phase) makes it versatile for different electrical setups, reducing the need for voltage converters in some cases.

3. **3-Phase Construction** Three-phase motors are generally more efficient, smoother in operation, and better suited for high-power applications compared to single-phase motors.

4. **1HP Rating for Light to Medium-Duty Work** A 1HP motor is sufficient for many small to medium industrial tasks, such as:

- Small pumps (water, air, or hydraulic)

- Conveyor belts

- Fans and blowers

- Light machinery (e.g., mixers, grinders)

- HVAC components (if properly sized)

5. **Standard NEMA Frame (143TC)** The 143TC frame is a common industrial motor size, meaning replacement parts, bearings, and accessories are widely available.

6. **Reliable Branding (Assuming a Reputable Manufacturer)** If this motor comes from a well-known brand (e.g., Siemens, WEG, TECO, or a trusted OEM), it likely has a proven track record for durability and low maintenance.

7. **Cost-Effective for Small Applications** Compared to larger industrial motors, a 1HP motor is relatively inexpensive, making it a practical choice for budget-conscious businesses.

8. **Easy Installation and Maintenance** Standardized dimensions and mounting options simplify integration into existing systems. Basic maintenance (lubrication, belt tension checks) is straightforward.

---

#### **Cons:**

1. **Limited Power for Heavy-Duty Tasks** At only 1HP, this motor is not suitable for high-load applications such as large compressors, heavy-duty conveyors, or high-capacity pumps. Overloading can lead to premature failure.

2. **Three-Phase Dependency** While it can run on 208-230V, true three-phase operation (460V) is ideal for maximum efficiency. Single-phase operation (if possible) may result in reduced performance or overheating.

3. **Potential Compatibility Issues** If the motor is not properly matched to the load (e.g., incorrect belt size, misaligned pulleys, or improper voltage), it may overheat or fail quickly.

4. **Age or Condition of the Motor** If purchasing used or from an unknown source, there may be hidden issues such as worn bearings, damaged windings, or electrical faults. New motors are preferable for long-term reliability.

5. **Higher Initial Cost Than Single-Phase Alternatives** While still affordable, a 3-phase motor is generally more expensive than a comparable single-phase motor (e.g., 1HP single-phase motors are common for smaller applications).

6. **Requires Proper Electrical Setup** Three-phase power is not always available in small workshops or homes, requiring additional wiring or a generator, which adds complexity and cost.

7. **Maintenance Requirements** Like all motors, this one will need periodic maintenance (bearing lubrication, cooling checks, voltage/amperage monitoring) to prevent failure.

8. **Potential for Overheating in Poor Ventilation** If installed in an enclosed or poorly ventilated space, the motor may overheat, especially under continuous load.

---

### **Conclusion:**

This **1HP, 1755 RPM, 3-phase AC motor (105633106003, 143TC, 208-230/460V)** is a **practical choice for light to medium-duty industrial applications** where a reliable, efficient motor is needed. Its **dual-voltage capability, standard frame size, and three-phase efficiency** make it a solid option for pumps, fans, conveyors, and small machinery. However, it is **not suitable for high-load or heavy-duty tasks**, and its performance depends on proper installation, load matching, and maintenance.

If you need a motor for **small-scale industrial use, HVAC components, or machinery that doesn t require excessive power**, this motor is a **good investment**. For **larger or more demanding applications**, a higher horsepower motor (e.g., 2HP, 3HP, or 5HP) would be more appropriate.

---

### **Recommendation:** - **Buy this motor if:**

- You need a **reliable, efficient 1HP motor** for **pumps, fans, conveyors, or small machinery**.

- Your setup has **three-phase power (preferably 460V for optimal performance)**.

- You are purchasing from a **trusted supplier** (new or well-maintained used).

- The motor is **properly sized for your load** (check torque requirements and belt/pulley ratios).

- **Consider alternatives if:**

- Your application requires **more than 1HP** (e.g., heavy-duty compressors, large conveyors).

- You lack **three-phase power** and cannot justify the cost of installing it.

- You need **variable speed control** (a VFD-compatible motor may be better).

- The motor is **used and lacks maintenance records** (risk of hidden issues).

- **Additional Tips:**

- **Verify the motor s NEMA rating** (e.g., NEMA Premium for better efficiency).

- **Check for warranty** if buying new.

- **Ensure proper cooling** (avoid enclosed spaces without ventilation).

- **Match the motor to the load** use a **motor sizing calculator** if unsure.

For most **small industrial or commercial applications**, this motor is a **sound purchase** if used correctly. Always confirm compatibility with your specific equipment before buying.

Details:

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part #: 105633106003 price

  • $805.65

specifications oelemot:

  • brand: Us Motors
  • part type: Ac Motor
  • model number: 105633106003
  • frame: 143tc
  • power: 1 Hp
  • rpm: 1755 Rpm
  • voltage: 460 V-ac
  • phase: 3ph
  • reference sku: 1745498
  • product condition: Used Excellent

seller oelemot:

  • city: Delta, Ohio
  • # reviews: 123996
  • rating: 100.0%

offer oelemot:

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

shipping oelemot:

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

returns oelemot:

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

general oelemot:

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

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part type: ac motor, model number: 105633106003, frame: 143tc, power: 1 hp, rpm: 1755 rpm, voltage: 460 v-ac, phase: 3ph, reference sku: 1745498, product condition: used excellent,
category: business & industrial > industrial automation motion controls > electric > general purpose, sku: 20457130633640892,
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