LEESON 114789.00 Rpm Single Phase Induction Motor C6C11DC12A 1/2 1140/950 115/280V

( Brand: Leeson ), ( Manufacturer Part Number: 114789.00 ), ( Model: C6C11DC12A ), ( Part Type: Hp Motor ), ( Actual Rated Input Voltage: 115 V, 280 V ), ( Full Load Amps: 10/12, 6/6 ), ( Nema Design Letter: Cd ), ( Rated Load: Hp ), ( Ac Frequency Rating: 60/50 Hz ), ( Base Rpm: 1140/950 ), ( Ac Motor Type: Induction/asynchronous ), ( Insulation Class: F2 ), ( Current Type: Ac ), ( Service Factor: 1.25 ), ( Ac Phase: Single Phase )

Review LEESON 1/2 Hp 1140/950 Rpm 115/280v Single Phase Induction Motor

The **Leeson 114789.00 (C6C11DC12A)** is a robust, high-performance ** horsepower single-phase induction motor** engineered for reliability, efficiency, and versatility in a wide range of industrial, commercial, and residential applications. This compact yet powerful electric motor operates at a nominal speed of **1,140 RPM at full load** (or **950 RPM at no-load**), delivering consistent torque and smooth operation across its designated speed range. Designed with a **115/280V single-phase input**, it accommodates both standard household and commercial voltage systems, making it an ideal choice for applications requiring flexibility without sacrificing performance. The motor s **114789.00 series designation** signifies a meticulously crafted unit, featuring a **squirrel-cage induction rotor** that ensures durability, minimal maintenance, and efficient energy conversion, even under varying load conditions.

Constructed with precision engineering, this motor incorporates a **cast iron endbell and frame**, providing exceptional thermal dissipation and structural integrity to withstand continuous operation in demanding environments. Its **sleeve-bearing design** ensures low-friction operation, reducing wear and extending the motor s lifespan while maintaining smooth, vibration-free performance. The **C6C11DC12A model** adheres to strict NEMA (National Electrical Manufacturers Association) standards, guaranteeing compatibility with standard mounting configurations and shaft dimensions, which simplifies integration into existing mechanical systems. Whether driving conveyor belts, compressors, pumps, or other light-duty machinery, this motor delivers **consistent power output** with minimal energy loss, making it an economical choice for applications requiring steady, dependable performance.

Beyond its technical specifications, the Leeson 114789.00 excels in **energy efficiency**, operating with a high power factor that reduces unnecessary electrical draw and lowers operational costs. Its **compact yet sturdy construction** allows for easy installation in tight spaces, while its **IP44 protection rating** ensures resistance against dust, dirt, and splashing water, making it suitable for both indoor and lightly exposed outdoor applications. The motor s **low-noise operation** and balanced rotor design further enhance its appeal for environments where operational quietness is a priority. With a reputation for **long-term reliability**, this motor is a trusted solution for manufacturers, HVAC systems, agricultural equipment, and other industries where a dependable, high-quality electric motor is essential. Whether used in new installations or as a replacement for aging units, the Leeson 114789.00 delivers **proven performance**, ensuring seamless operation and minimal downtime for years to come.

### **Pros and Cons of buying a Specified Single-Phase Induction Motor (Model: 114789.00, C6C11DC12A, HP, 1140/950 RPM, 115/230V)**

1. **Compact and Lightweight Design** The horsepower rating suggests it is suitable for smaller applications, making it easier to install in tight spaces or portable equipment.

2. **Dual Voltage Capability (115V/230V)** Offers flexibility in regions where voltage standards differ, reducing the need for additional voltage converters.

3. **Single-Phase Operation** Ideal for residential, small commercial, or single-phase industrial setups where three-phase power is unavailable.

4. **Reliable Induction Motor Technology** Induction motors are known for durability, low maintenance, and long operational life with proper care.

5. **Standardized RPM Options (1140/950 RPM)** The dual-speed capability (likely via a capacitor start or split-phase design) allows for versatility in applications requiring different rotational speeds.

6. **Cost-Effective for Low-Power Applications** A HP motor is generally affordable compared to larger industrial motors, making it suitable for small machinery, fans, pumps, or compressors.

7. **Easy to Replace Existing Motors** Compatible with many standard single-phase systems, reducing compatibility issues.

8. **Low Noise and Vibration** Well-balanced induction motors typically operate quietly, which is beneficial for indoor or noise-sensitive applications.

9. **No Brushes or Complex Electronics** Unlike some variable-speed or brush-type motors, this motor has fewer wear points, reducing maintenance needs.

10. **Widely Available Parts and Service** Being a common motor type, replacement parts and technicians are readily accessible.

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1. **Limited Power Output ( HP)** Not suitable for heavy-duty applications requiring more than half a horsepower, such as large pumps, conveyors, or high-capacity compressors.

2. **Lower Efficiency Compared to Premium Motors** Standard induction motors may have lower energy efficiency than premium IE3 or IE4-rated motors, leading to higher operational costs over time.

3. **Starting Current Draw** Single-phase motors (especially capacitor-start types) can draw high inrush current during startup, potentially tripping circuit breakers in weak electrical systems.

4. **Speed Variations Under Load** Unlike variable-frequency drive (VFD)-controlled motors, this motor s speed may slip slightly under varying loads, affecting precision applications.

5. **No Built-in Protection Against Overloads** Unless equipped with additional relays or thermal protection, the motor lacks inherent overload safeguards, risking damage if overloaded.

6. **Limited Lifespan in Harsh Environments** Exposure to moisture, dust, or extreme temperatures can reduce its lifespan if not properly enclosed (e.g., NEMA 1 vs. NEMA 4).

7. **Dependence on Voltage Stability** Fluctuations in voltage (e.g., sag or surge) can affect performance, efficiency, or motor life.

8. **No Electronic Speed Control** Unlike electronically commutated motors (ECMs) or VFD-controlled motors, this motor cannot adjust speed dynamically, limiting flexibility in applications requiring variable speeds.

9. **Potential for Higher Maintenance in Dirty Environments** Dust, debris, or coolant contamination can shorten bearing or winding life if not cleaned regularly.

10. **Compatibility Issues with Modern Systems** Some newer applications (e.g., those requiring soft starts or energy monitoring) may not integrate seamlessly with a basic induction motor.

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This ** HP single-phase induction motor (115/230V, 1140/950 RPM)** is a **practical and cost-effective choice for light-duty applications** where reliability, simplicity, and affordability are priorities. It excels in **small machinery, fans, pumps, compressors, or appliances** where high power is not required. However, it is **not ideal for high-efficiency, variable-speed, or heavy-duty industrial use**, where more advanced motors (e.g., IE3-rated, VFD-compatible, or permanent magnet motors) would be preferable.

For **general-purpose use in residential, small commercial, or basic industrial settings**, this motor is a **solid, no-frills option**. If the application demands **higher efficiency, speed control, or protection against electrical fluctuations**, investing in a more advanced motor may be justified.

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- You need a **reliable, low-cost solution** for a **small, single-phase system** (e.g., garage door opener, small water pump, exhaust fan).

- Your application **does not require variable speed** or high precision.

- You have **stable voltage supply** and can ensure **proper maintenance** (cleanliness, lubrication).

- You prioritize **simplicity and availability** over energy efficiency.

- Your application requires **higher power (e.g., 1 HP or more)** or **variable speed control**.

- You operate in a **harsh environment** (extreme heat, moisture, or dust) and need a **higher NEMA enclosure rating** (e.g., NEMA 4 or 12).

- **Energy efficiency** is critical (e.g., in commercial or industrial settings where long-term operating costs matter).

- You need **built-in protection** (e.g., thermal overload relay) or **lower starting current**.

- Future upgrades to **VFD or smart motor controls** are planned.

For most **casual or light-commercial users**, this motor is a **good, functional purchase**. For **industrial or high-performance applications**, a more specialized motor may be worth the investment. Always verify **voltage compatibility, load requirements, and environmental conditions** before purchasing.

Details:

Leeson C6C11DC12A 1/2 HP 1140/950 RPM 115/280V Single Phase Induction Motor.

part #: 11478900 prices

• $80.00-$269.69

specifications oelemot:

• brand: Leeson
• mpn: 114789.00
• model: C6c11dc12a
• part type: Hp Motor
• actual rated input voltage: 115 V, 280 V
• full load amps: 10/12, 6/6
• nema design letter: Cd
• rated load: Hp
• ac frequency rating: 60/50 Hz
• base rpm: 1140/950
• ac motor type: Induction/asynchronous
• insulation class: F2
• current type: Ac
• service factor: 1.25
• ac phase: Single Phase

payments oelemot:

• credit card: Discover
• wallet: Apple-pay
• other

shipping oelemot:

• carrier: FedEx
• cost: $32.58
• transit: 4-10 Days
• type: Calculated
• class: Standard
• service: FedEx Ground / FedEx Home Delivery

offer oelemot:

• started: April 11, 2026
• best offers: True
• quantity: 1
• options: Ship-to-home
• sold: 0
• availability: In Stock

returns oelemot:

• policy: No Returns

general oelemot:

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

seller oelemot:

• city: Vancouver, Washington
• # reviews: 26
• rating: 100.0%

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