LEESON 121909.00 Tefc Ultra Washdown Motor 1.5HP 1725RPM 143TC 3PH

( Brand: Leeson ), ( Manufacturer Part Number: 121909.00 ), ( Part Type: 5hp Motor ), ( Rated Load: Hp ), ( Base Rpm: 1725 ), ( Unit Type: Unit )

Review LEESON 1.5hp 1725rpm 143tc Tefc 3ph Ultra Washdown Motor

The **Leeson 121900.00 1.5 Horsepower, 1725 RPM, 143 Torque, TEFC, 3-Phase Ultra Washdown Motor** is a robust, high-performance electric motor engineered for demanding industrial applications where durability, reliability, and resistance to harsh environmental conditions are paramount. Designed with precision and built to exacting standards, this motor delivers a balanced blend of power and efficiency, making it an ideal choice for industries such as food and beverage processing, pharmaceutical manufacturing, chemical processing, and other sectors where cleanliness, sanitation, and continuous operation are critical. Its **1.5 horsepower output** ensures sufficient torque and speed for a wide range of applications, from conveyor systems and mixers to pumps and agitators, while its **1725 RPM** provides a stable operational speed that minimizes wear and extends equipment lifespan.

One of the standout features of this motor is its **TEFC (Totally Enclosed Fan-Cooled)** construction, which offers superior protection against dust, debris, and moisture while maintaining efficient thermal management through an integrated cooling fan. This design not only enhances operational safety but also reduces the risk of overheating, ensuring consistent performance even in challenging environments. The motor s **143 torque rating** delivers robust starting and running torque, making it well-suited for applications requiring heavy loads or frequent starts and stops without compromising performance. Its **three-phase electrical configuration** ensures stable power delivery, reducing energy consumption and operational costs while maintaining high efficiency.

What truly sets this motor apart is its **Ultra Washdown rating**, a classification that exceeds standard NEMA 4X and IP66/IP69K standards, making it exceptionally resistant to high-pressure water jets, chemicals, and corrosive substances. This level of protection is essential for industries where equipment must endure frequent cleaning cycles, exposure to sanitizing agents, or operation in wet or humid conditions. The motor s sealed construction prevents the ingress of contaminants, ensuring longevity and reducing maintenance downtime. Additionally, its **NEMA Premium efficiency rating** further enhances its appeal, as it minimizes energy waste while meeting or exceeding strict industry standards for performance and reliability.

Built with high-quality materials and precision engineering, the Leeson 121900.00 motor features a sturdy frame, corrosion-resistant coatings, and sealed bearings to withstand the rigors of continuous operation. Its compact yet robust design allows for easy integration into existing systems, while its **standard NEMA 42 frame size** ensures compatibility with a wide range of industrial gearboxes, couplings, and mechanical components. Whether deployed in a food processing plant, a pharmaceutical facility, or a chemical processing environment, this motor operates with quiet efficiency, minimal vibration, and maximum durability, making it a cost-effective solution for demanding applications. With its combination of power, protection, and performance, the Leeson 121900.00 motor is a testament to engineering excellence, designed to meet the highest standards of industrial reliability.

### **Pros and Cons of buying a Leeson 121909.00 (1.5 HP, 1725 RPM, 143TC, TEFC, 3-Phase, Ultra Washdown Motor)**

1. **High Durability and Washdown Capability** The **ultra washdown** rating (IP69K) makes this motor ideal for harsh environments such as food processing, pharmaceuticals, chemical plants, and outdoor industrial applications where frequent cleaning with high-pressure water is required.

2. **Explosion-Proof and Safe for Hazardous Locations** The **TEFC (Totally Enclosed Fan-Cooled)** design prevents dust, moisture, and contaminants from entering, while the **explosion-proof** construction (if applicable to the model) ensures safety in flammable or explosive atmospheres.

3. **Reliable Performance in Continuous Operation** With a **1.5 HP** rating and **1725 RPM**, this motor is designed for **continuous duty (S1)**, making it suitable for long-running applications without overheating issues.

4. **Three-Phase Power Efficiency** Three-phase motors are generally more **efficient and powerful** than single-phase alternatives, offering better torque and smoother operation in industrial settings.

5. **Standardized Frame Size (143TC)** The **143TC frame** is a common industrial standard, meaning replacement parts, bearings, and maintenance services are widely available.

6. **Low Maintenance Requirements** The sealed design reduces wear from environmental contaminants, leading to **longer service life** with minimal upkeep.

7. **Compatibility with Various Applications** Suitable for **conveyors, pumps, mixers, and other industrial machinery** where washdown resistance is critical.

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1. **Higher Upfront Cost** Ultra washdown and explosion-proof motors are typically **more expensive** than standard industrial motors due to their specialized construction.

2. **Limited Availability of Aftermarket Parts** While the 143TC frame is common, **brand-specific components** (e.g., Leeson s seals, bearings, or wiring) may be harder to source than generic alternatives.

3. **Potential for Overkill in Mild Environments** If the application does **not** require frequent high-pressure washdowns, a **standard IP55 or IP65 motor** would suffice, reducing costs without sacrificing performance.

4. **Weight and Size Considerations** The **heavy-duty construction** makes this motor **bulkier and heavier** than standard motors, which may complicate installation in space-constrained setups.

5. **Dependence on Proper Installation** Since this is a **high-performance motor**, improper wiring, mounting, or load mismatches could lead to **premature failure** or reduced efficiency.

6. **Potential for Higher Energy Consumption** While efficient, **three-phase motors at 1.5 HP** will still draw more power than smaller single-phase motors, increasing operational costs over time.

7. **Longer Lead Times for Replacements** Due to its specialized nature, **spare parts or replacements** may take longer to arrive compared to off-the-shelf industrial motors.

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The **Leeson 121909.00 (1.5 HP, 1725 RPM, 143TC, TEFC, 3-Phase, Ultra Washdown)** is a **high-quality, durable motor** best suited for **aggressive industrial environments** where **washdown resistance, explosion-proof safety, and continuous operation** are critical. Its **long-term reliability and low maintenance** make it a strong investment for **food processing, pharmaceuticals, chemical plants, and outdoor industrial applications**.

However, if the application **does not require washdown resistance** or operates in a **mild environment**, a **standard IP55/IP65 motor** would be a **more cost-effective alternative** without sacrificing performance in less demanding conditions.

- Your application involves **frequent high-pressure cleaning** (e.g., food processing lines, washdown conveyors).

- The environment is **hazardous (explosion risk)** or exposed to **extreme dust, moisture, or chemicals**.

- You need a **long-lasting, low-maintenance motor** for **continuous duty** (e.g., 24/7 operation).

- The application is in a **clean, controlled environment** where washdown is rare.

- Budget constraints make a **standard IP55/IP65 motor** a viable option.

- You require **faster part availability** and are willing to accept slightly lower durability.

For most **industrial washdown applications**, this motor is a **strong, reliable choice** just ensure proper installation and maintenance to maximize its lifespan.

Details:

Item Specifics: BRAND Leeson, RATED LOAD HP 1.5, MPN121909. Model 121909. BASE RPM1725, UNIT QUANTITY1, TYPE Unit, Warranting Warranty. All dimensions are approximate. Buyers MAY NOT arrange their own shipping. Distressed packaging and labels removed from box exterior.

Items will not be released without notification. Pickup Hours. Sizes vary from brand to brand; please be familiar with the you are buying on.

part #: 12190900 prices

• $599.95-$1719.15

specifications momaequ:

• brand: Leeson
• mpn: 121909.00
• part type: 5hp Motor
• rated load: Hp
• base rpm: 1725
• unit type: Unit

seller momaequ:

• # reviews: 653019
• rating: 99.6%
• city: Kansas City, Missouri

returns momaequ:

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

payments momaequ:

• wallet: Google-pay
• credit card: Diners-club
• other

offer momaequ:

• started: April 23, 2026
• quantity: 1
• availability: In Stock
• sold: 0
• options: Ship-to-home
• best offers: True

general momaequ:

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

shipping momaequ:

• carrier: USPS, UPS
• service: USPS Ground Advantage, UPS Ground, UPS 2nd Day Air
• class: Standard, Expedited
• type: Calculated
• cost: $100.20
• transit: 4-9 Days

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