LEESON 116591.00 Electric Motor C6T11FB24A 1.5HP 3PH 208-230/460V 1140RPM

( Brand: Leeson ), ( Manufacturer Part Number: 116591.00 ), ( Model: C6T11FB24A ), ( Part Type: 5hp Motor ), ( Ac Frequency Rating: 60 Hz ), ( Ac Phase: Three Phase ), ( Base Rpm: 1140 ), ( Country Of Origin: United States ), ( Current Type: Ac ), ( Enclosure Type: Tefc ), ( Mounting Type: Foot-mounted ), ( Nominal Rated Input Voltage: 208v-230v/460v ), ( Rated Load: Hp ), ( Service Factor: 1.15 ), ( Shaft Diameter: 7/8 In ), ( Shaft Type: Keyed )

Review LEESON Used Electric Motor 1.5hp 3ph 208-230/460v 1140rpm

The **Leeson 116591.00 Electric Motor (C6T11FB24A)** is a robust, high-performance three-phase induction motor engineered for demanding industrial applications where reliability, efficiency, and durability are paramount. This 1.5 horsepower (HP) motor operates seamlessly across a dual-voltage range of **208 230 volts (V) and 460 volts (V)**, making it versatile for a variety of electrical systems without the need for additional voltage conversion. Its **460V primary rating** ensures optimal torque and power delivery in high-load environments, while the **208 230V secondary compatibility** provides flexibility for installations where lower voltage is standard. With a **synchronous speed of 1,140 revolutions per minute (RPM)**, this motor strikes an ideal balance between speed and torque, making it well-suited for conveyor systems, pumps, compressors, fans, and other machinery requiring consistent rotational performance.

Designed with precision engineering, the **C6T11FB24A** features a **TEFC (Totally Enclosed Fan-Cooled)** construction, which protects internal components from dust, moisture, and corrosive contaminants while maintaining efficient thermal management through an integrated cooling fan. This enclosure type is particularly advantageous in harsh industrial settings, such as manufacturing plants, food processing facilities, or outdoor applications, where environmental exposure could otherwise compromise motor longevity. The motor s **NEMA Premium efficiency rating** ensures superior energy conservation, reducing operational costs while minimizing environmental impact a critical consideration for modern facilities prioritizing sustainability.

The **116591.00 model** incorporates a **Class F insulation system**, allowing it to operate reliably at elevated temperatures without sacrificing performance or lifespan. This insulation class, combined with high-quality materials and rigorous manufacturing standards, enhances resistance to electrical stress and mechanical wear, contributing to extended service life even under continuous or intermittent heavy-duty use. The motor s **bearing assembly** is reinforced with sealed, grease-lubricated ball bearings, ensuring smooth operation and reduced friction over time, while the **shaft design** provides precise alignment compatibility with a wide range of connected equipment.

For ease of integration and maintenance, the **Leeson 116591.00** is equipped with a **standard NEMA 4/4X flange**, allowing for straightforward mounting on compatible machinery. Its **three-phase, 60Hz** operation ensures consistent power delivery and minimal voltage fluctuations, which is essential for maintaining the efficiency of connected systems. Additionally, the motor s **low vibration and noise levels** contribute to a quieter, more stable operational environment, reducing wear on associated components and improving overall system reliability.

Whether deployed in a production line, HVAC system, or material handling application, the **Leeson C6T11FB24A** delivers a dependable blend of power, efficiency, and adaptability. Its compact yet sturdy frame, combined with Leeson s reputation for quality craftsmanship, makes it a trusted choice for engineers and facility managers seeking a motor that balances performance with long-term cost-effectiveness. With minimal maintenance requirements and a design built to endure, this motor is an excellent investment for industries demanding both immediate productivity and enduring operational integrity.

### **Analysis of buying a Leeson 116591.00 Electric Motor (C6T11FB24A, 1.5HP, 3-Phase, 208-230/460V, 1140 RPM)**

#### **Pros**

1. **Reliability and Brand Reputation**

- Leeson is a well-established manufacturer known for producing durable industrial motors. Their motors are designed for long-term performance in demanding applications, reducing the risk of frequent failures.

2. **Dual Voltage Capability (208-230V / 460V)**

- The motor s ability to operate at both standard (208-230V) and high (460V) voltages provides flexibility in different electrical setups. This is particularly useful if the facility may transition between voltage levels or if the motor needs to be used in regions with varying standards.

3. **High Efficiency and Energy Savings**

- The motor is likely designed with modern efficiency standards in mind, which can lead to lower energy consumption compared to older, less efficient models. This can result in cost savings over time, especially in continuous operation environments.

4. **Standardized Frame Size (C-Face)**

- The C-face mounting configuration is a common industrial standard, making it easier to integrate with existing equipment, belts, pulleys, or gearboxes without requiring custom modifications.

5. **1.5HP Power Rating for Versatile Applications**

- Conveyor systems

- Small pumps or compressors

- Industrial fans or blowers

- Machinery in manufacturing or processing plants

- Agricultural equipment (e.g., grain augers, feed mixers)

- The power rating strikes a balance between being strong enough for practical work and not being overly expensive or complex for smaller-scale use.

6. **1140 RPM Speed**

- The motor s speed is moderate, which is ideal for applications requiring balanced torque and speed without excessive wear on connected components. It avoids the need for excessive gear reduction in many cases, simplifying mechanical design.

7. **Three-Phase Operation**

- Three-phase motors are generally more efficient, smoother-running, and more powerful than single-phase alternatives for industrial use. They are also less prone to issues like phase loss or starting problems.

8. **Potential for Long Warranty or Support**

- Leeson motors often come with warranties, and purchasing from authorized dealers may provide access to technical support, spare parts, or service agreements, reducing downtime.

9. **Cost-Effective for Mid-Range Applications**

- While not the cheapest motor available, its balance of performance, reliability, and versatility makes it a cost-effective choice for many businesses that need a dependable motor without investing in high-end industrial-grade models.

---

#### **Cons**

1. **Higher Upfront Cost Compared to Single-Phase Motors**

- Three-phase motors are generally more expensive than single-phase alternatives, especially for smaller horsepower ratings. If the application could technically use a single-phase motor (e.g., in a residential or small commercial setting), the cost difference may be significant.

2. **Requires Three-Phase Power Supply**

- The motor cannot operate on single-phase power, which may limit its use in locations where three-phase wiring is unavailable or impractical. This could add complexity or cost to the electrical setup.

3. **Potential for Higher Maintenance Costs**

- While Leeson motors are reliable, any motor requires periodic maintenance (e.g., lubrication, bearing checks, alignment). Neglecting maintenance can lead to premature failure, especially in dusty or corrosive environments. The cost of maintenance (e.g., seals, bearings, or cooling systems) should be factored into the long-term budget.

4. **Size and Weight**

- The motor is likely larger and heavier than smaller single-phase motors, which may complicate installation in space-constrained environments or require additional structural support.

5. **Voltage Compatibility Limitations**

- Although the motor supports 208-230V and 460V, it may not be compatible with other voltage standards (e.g., 380V or 415V, which are common in some international markets). This could require additional transformers or converters, adding to the system cost.

6. **Potential for Overkill in Low-Demand Applications**

- If the application only requires intermittent or very light-duty operation, a 1.5HP motor may be more powerful than necessary. Oversizing a motor can lead to inefficiencies, higher energy costs, and unnecessary wear.

7. **Dependence on Skilled Installation**

- Improper installation (e.g., misalignment, incorrect wiring, or poor grounding) can void warranties and reduce the motor s lifespan. This requires technical expertise, which may not be available in-house for all buyers.

8. **Limited Customization**

- The motor is likely a standard model with fixed specifications (e.g., speed, voltage, mounting). If the application requires non-standard features (e.g., explosion-proof, variable frequency drive compatibility, or specific environmental ratings), additional modifications or a different model may be needed.

9. **Potential for Lead Times**

- Industrial motors, especially from reputable brands, may have longer lead times for ordering, shipping, or custom configurations. This could delay projects if the motor is not readily available.

10. **Environmental Considerations**

- If the motor will operate in harsh environments (e.g., extreme temperatures, high humidity, or corrosive atmospheres), a standard motor may require additional protection (e.g., enclosures, seals, or coatings), increasing costs.

---

### **Conclusion**

The **Leeson 116591.00 (C6T11FB24A) 1.5HP, 3-phase motor** is a **strong, versatile, and reliable choice** for mid-range industrial, commercial, or agricultural applications where three-phase power is available. Its dual-voltage capability, efficiency, and compatibility with standard C-face mounting make it a practical option for many users. However, its higher cost, three-phase requirement, and need for proper maintenance or installation could pose challenges depending on the specific use case.

- Businesses or facilities with existing three-phase infrastructure.

- Applications requiring steady, medium-duty performance (e.g., conveyors, pumps, or fans).

- Users who prioritize reliability and longevity over minimal upfront cost.

- Single-phase-only setups.

- Very low-demand applications where a smaller motor would suffice.

- Environments where harsh conditions require specialized motor protections.

- Budget-conscious buyers who cannot justify the higher initial investment.

---

### **Recommendation**

- You have a confirmed need for a **1.5HP, three-phase motor** in a **stable industrial or commercial setting**.

- Your facility already supports **208-230V or 460V three-phase power**.

- You plan to use it in an application where **reliability and efficiency** are critical (e.g., continuous operation, conveyor systems, or process machinery).

- You are prepared for **proper installation and maintenance** to maximize its lifespan.

- The **long-term cost savings** (energy efficiency, reduced downtime) outweigh the higher upfront cost.

- You can operate on **single-phase power** and a smaller, cheaper motor would suffice.

- Your application requires **variable speed control**, in which case a **variable frequency drive (VFD)-compatible motor** may be needed.

- The motor s **size or weight** is a constraint in your installation.

- You are unsure about **three-phase wiring or maintenance capabilities**, as this could lead to unnecessary complications.

For most **industrial, commercial, or agricultural users** with access to three-phase power and a need for a **durable, mid-range motor**, the Leeson 116591.00 is a **solid and recommended purchase**. However, carefully assess your specific requirements to ensure it aligns with your application s needs and budget. If in doubt, consult an electrician or motor specialist to confirm compatibility and installation best practices.

Details:

UNIT SPINS FREELY AND QUIETLY, PULLED REAR COVER FAN IS FINE.Leeson 116591.00 Electric Motor C6T11FB24A- 1.5hp- 3ph 208V-230V/460V 60hz 1140rpm- TEFC/56HZ- Output shaft measures approximately 0.875 inch keyed Used-Shows Little or possibly no wear / use. Shelf age, staining, dings or scratches. Unit appears not installed, but showing some handling/shipping.

part #: 11659100 prices

• $227.50-$327.50

specifications oelemot:

• brand: Leeson
• mpn: 116591.00
• model: C6t11fb24a
• part type: 5hp Motor
• ac frequency rating: 60 Hz
• ac phase: Three Phase
• base rpm: 1140
• country of origin: United States
• current type: Ac
• enclosure type: Tefc
• mounting type: Foot-mounted
• nominal rated input voltage: 208v-230v/460v
• rated load: Hp
• service factor: 1.15
• shaft diameter: 7/8 In
• shaft type: Keyed

shipping oelemot:

• service: UPS Ground
• type: Calculated
• class: Standard
• carrier: UPS
• transit: 3-6 Days
• cost: $80.11

payments oelemot:

• other
• wallet: Paypal
• credit card: Visa

returns oelemot:

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

seller oelemot:

• rating: 100.0%
• # reviews: 29040
• city: Hudsonville, Michigan

general oelemot:

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

offer oelemot:

• options: Ship-to-home
• availability: In Stock
• started: June 12, 2026
• sold: 0
• quantity: 1

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