1. Definite Purpose Motors Offers
  2. sku: 6358315464911891
  3. LEESON C42T17FZ11B

LEESON C42T17FZ11B Motor Fnob 1/2HP

C42t17fz11b Leeson 1/2hp Motor Fnob

( Brand: Leeson ), ( Manufacturer Part Number: C42T17FZ11B ), ( Part Type: Motor )

Review LEESON 1/2hp Motor Fnob

The **Leeson C42T17FZ11B Horsepower Motor with Fan Control (FNOB)** is a robust, high-performance electric motor designed for demanding industrial, commercial, and HVAC applications where reliability, efficiency, and precise control are paramount. Engineered with Leeson s signature precision, this motor delivers consistent performance in a compact yet durable housing, making it ideal for use in air handlers, fans, blowers, and other mechanical systems where smooth operation and longevity are critical. The ** horsepower (0.5 HP) rating** ensures it provides sufficient torque and speed for medium-duty tasks while maintaining energy efficiency, reducing operational costs over time. Its **T-frame construction** a standard in industrial motor design offers a balanced blend of strength and compactness, allowing for easy integration into existing systems without sacrificing performance.

One of the standout features of this motor is its **fan control knob (FNOB)**, a user-friendly adjustment mechanism that enables operators to fine-tune airflow and speed with minimal effort. This feature is particularly valuable in applications where variable airflow is required, such as in ventilation systems, exhaust fans, or climate control units, where maintaining optimal conditions without overworking the motor is essential. The knob allows for gradual, incremental adjustments, ensuring smooth transitions between speed settings without the need for external controllers or complex wiring. This hands-on control not only enhances operational flexibility but also reduces wear and tear on the motor by preventing sudden load fluctuations.

Built to withstand the rigors of continuous operation, the **C42T17FZ11B** is constructed with high-quality materials, including a robust shaft, sealed bearings, and a corrosion-resistant enclosure, which protects against dust, moisture, and environmental contaminants. The motor s **NEMA Premium efficiency rating** further underscores its commitment to energy conservation, helping users achieve significant savings on electricity bills while maintaining peak performance. Whether deployed in a commercial building s HVAC system, an industrial manufacturing facility, or a residential ventilation setup, this motor operates with quiet efficiency, minimizing operational noise while maximizing productivity.

Additionally, the **Leeson C42T17FZ11B** is designed with ease of maintenance in mind. Its accessible components and straightforward design allow for quick inspections, lubrication, and part replacements, reducing downtime and extending the motor s operational lifespan. The motor s compatibility with standard industrial power supplies and its plug-and-play compatibility with most fan systems make it a versatile choice for engineers and technicians looking for a reliable, off-the-shelf solution. With a focus on durability, precision, and user convenience, this motor stands as a dependable workhorse in any application where performance and control are key.

### **Pros and Cons of buying a Leeson C42T17FZ11B (1/2 HP Motor with FNOB)**

#### **Pros:**

1. **Compact and Space-Efficient Design** The C42T series is known for its small footprint, making it suitable for tight spaces where larger motors would not fit.

2. **High Efficiency (1/2 HP)** A 1/2 horsepower motor provides adequate power for light-duty applications such as small fans, pumps, or appliances without excessive energy consumption.

3. **FNOB (Fan Noise Reduction)** The FNOB feature helps reduce operational noise, which can be beneficial in residential, office, or sensitive environments where quiet operation is preferred.

4. **Durable Construction** Leeson motors are generally built with quality materials, offering reliable performance over extended use, especially in industrial or commercial settings.

5. **Compatibility with Various Applications** The motor s design makes it versatile for use in HVAC systems, small machinery, or even custom-built devices where a compact motor is needed.

6. **Potential for Long Lifespan** Proper maintenance and suitable operating conditions can extend the motor s lifespan, reducing long-term replacement costs.

7. **Brand Reputation** Leeson is a well-known manufacturer in the motor industry, suggesting a level of trust in product reliability and after-sales support.

#### **Cons:**

1. **Limited Power Output** At only 1/2 HP, this motor may struggle with heavier loads or continuous high-demand applications, requiring frequent cycling or additional assistance.

2. **Potential for Higher Cost per Horsepower** Compared to larger motors, the cost per horsepower may be higher, making it less economical for applications requiring more power.

3. **Maintenance Requirements** Like all motors, it will require periodic maintenance (lubrication, belt checks, etc.), and neglecting this could lead to premature failure.

4. **Availability of Parts** While Leeson is a reputable brand, finding replacement parts or service centers may be more challenging in some regions compared to more universally available motors.

5. **Noise Considerations** Although FNOB helps reduce noise, it may still produce some audible hum or vibration, depending on the application and installation.

6. **Voltage and Speed Limitations** The motor s speed and voltage compatibility must align with the application s requirements; mismatches could lead to inefficiency or damage.

7. **Warranty Limitations** Standard warranties may not cover all potential issues, especially if the motor is used in harsh or unregulated conditions.

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### **Conclusion:**

The **Leeson C42T17FZ11B (1/2 HP motor with FNOB)** is a solid choice for **light-duty, space-constrained applications** where noise reduction and compact size are priorities. It offers reliability, efficiency, and compatibility with a range of devices, making it ideal for small fans, pumps, or auxiliary machinery. However, its **limited power output** means it is not suitable for heavy-duty or continuous high-load tasks. If the application demands more torque or sustained performance, a larger motor may be necessary.

For users in **residential, commercial, or controlled industrial settings** where space and noise are concerns, this motor is a practical and efficient option. However, those requiring **high power, extended warranties, or easy part availability** may need to weigh additional costs or explore alternative brands.

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### **Recommendation:** **Buy the Leeson C42T17FZ11B if:**

- You need a **small, quiet motor** for light-duty use (e.g., ventilation, small appliances).

- Your application has **limited space constraints** and does not require excessive power.

- You prioritize **brand reliability** and are willing to maintain it properly.

**Avoid or Consider Alternatives if:**

- Your application requires **higher horsepower** (e.g., 1 HP or more) for sustained performance.

- You operate in an environment with **frequent voltage fluctuations or harsh conditions**, which could shorten the motor s lifespan.

- You need **extended warranties or easier access to parts**, as Leeson may not offer the same level of support as some larger manufacturers.

For best results, **verify compatibility with your specific application s voltage, load, and environmental conditions** before purchasing. If unsure, consult an electrician or motor specialist to ensure optimal performance.

Details:

LEESON C42T17FZ11B 1/2HP Motor Manufactured by. The item has its original packaging but it is not sealed. The product must be the original item shipped, with matching serial numbers if applicable. A new, unused item with no signs of wear.

Special Instructions. Rotation: Recon. Bearings: Ball. Most items are in stock when they listed.

LEESON C42T17FZ11B 1/2HP Motor Three Phase . 2-Year MRO Shield Protection Plan Included. Manufacturer Part Number: C42T17FZ11B. Mounting Type: Special.

Duty: Continuous.

part #: c42t17fz11b price

  • $336.00

specifications momaequ:

  • brand: Leeson
  • mpn: C42t17fz11b
  • part type: Motor

shipping momaequ:

  • service: UPS Ground, USPS Ground Advantage, USPS Priority Mail, UPS Next Day Air
  • carrier: UPS, USPS
  • type: Calculated
  • cost: $68.00
  • transit: 2-6 Days
  • class: Standard, Expedited, One-day

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seller momaequ:

  • city: Mount Sterling, Kentucky
  • # reviews: 21251
  • rating: 99.7%

returns momaequ:

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

general momaequ:

  • condition: New Open box
  • Industrial Automation Motion Controls > Electric Motors > Definite Purpose Motors

offer momaequ:

  • best offers: True
  • started: February 18, 2026
  • options: Ship-to-home
  • availability: In Stock
  • quantity: 4
  • sold: 0
part type: motor,
category: business & industrial > industrial automation motion controls > electric > definite purpose, sku: 6358315464911891,
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1 offer $336.00 USD
  • New – Open box. Offer #1 priced at $336.00 + $68.00 shipping estimate = $404.00* total. A new, unused item with no signs of wear Manufacturer Part Number: .+$68.00 shipping

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