
( Brand: Allen Bradley ), ( Manufacturer Part Number: 364THFS6091AN ), ( Part Type: Ac Motor ), ( Model Number: 2a 364thfs6091an W ), ( Power: 40 Hp ), ( Rpm: 1185 Rpm ), ( Shaft Od: 2.375 In ), ( Voltage: 460 V-ac ), ( Phase: 3ph ), ( Reference Sku: 1767538 ), ( Product Condition: Used Excellent )
The **Allen-Bradley 364THFS6091AN 2A AC Motor** is a robust, high-performance electric motor designed for demanding industrial applications where reliability, efficiency, and precision are paramount. Part of Rockwell Automation s **364T series**, this **40 horsepower (HP) motor** delivers consistent power output at a rated speed of **1185 revolutions per minute (RPM)**, making it ideal for conveyor systems, pumps, compressors, and other heavy-duty machinery where steady torque and smooth operation are critical. Built with **three-phase alternating current (3-phase AC) at 460 volts**, this motor operates efficiently within standard industrial power grids, ensuring compatibility with most control systems and variable frequency drives (VFDs) when required. Its **NEMA Premium efficiency rating** confirms superior energy conservation, reducing operational costs while minimizing environmental impact a key consideration in modern manufacturing and processing facilities.
The **364THFS6091AN** features a **TEFC (Totally Enclosed Fan-Cooled) design**, providing robust protection against dust, moisture, and corrosive contaminants, which is essential for applications in harsh environments such as food processing, chemical plants, or outdoor industrial settings. The motor s **Class B insulation** ensures extended operational lifespan under continuous duty cycles, while its **IP55 protection rating** further enhances durability against solid particles and water splashes. The **2A frame size** balances compactness with substantial power delivery, making it suitable for installations where space is a constraint without compromising performance. Additionally, the motor s **squirrel-cage induction design** ensures reliable starting torque and minimal maintenance requirements, reducing downtime and labor costs over its service life.
Rockwell Automation s reputation for **precision engineering** is evident in the **364THFS6091AN**, which incorporates high-quality materials and advanced manufacturing techniques to achieve **low vibration and noise levels**, contributing to a quieter, more stable operational environment. The motor s **bearing system** is engineered for longevity, utilizing sealed bearings that resist wear and contamination, while its **shaft design** provides smooth, consistent rotation critical for applications requiring precise motion control. Compatible with **Allen-Bradley s PowerFlex variable frequency drives (VFDs)**, this motor can be seamlessly integrated into modern automation systems, allowing for adjustable speed control, energy savings, and enhanced process flexibility. Whether deployed in a manufacturing plant, water treatment facility, or material handling system, the **364THFS6091AN** exemplifies Rockwell Automation s commitment to delivering a motor that combines **performance, efficiency, and reliability** making it a trusted choice for engineers and facility managers seeking long-term operational excellence.
### **Pros and Cons of buying a Allen-Bradley 364THFS6091AN 2A AC Motor (40HP, 1185 RPM, 460V, 3-Phase)**
#### **Pros:**1. **High Reliability and Durability** Allen-Bradley (now part of Rockwell Automation) is a well-established brand known for manufacturing robust industrial motors. This motor is designed for continuous duty (2A) and should last for many years with proper maintenance.
2. **Precise Performance** The motor is rated for **40HP at 1185 RPM**, making it suitable for heavy-duty applications such as conveyors, pumps, compressors, and industrial machinery. Its **460V, 3-phase** design ensures efficient power conversion in industrial settings.
3. **Energy Efficiency** While not explicitly labeled as an energy-efficient motor (IE2 or IE3), it is a **TEFC (Totally Enclosed Fan-Cooled)** design, which helps reduce energy losses compared to open motors. Proper sizing (40HP) ensures minimal wasted power.
4. **Compatibility with Control Systems** Since it is an Allen-Bradley motor, it integrates well with Rockwell Automation s **PLCs, variable frequency drives (VFDs), and control systems**, reducing compatibility issues in automated processes.
5. **Long Warranty and Support** Allen-Bradley motors typically come with **standard warranties (often 1-2 years)**, and Rockwell Automation provides extensive technical support, spare parts, and service networks.
6. **Standardized Design** The **NEMA 4X enclosure** provides **IP66/IP67 protection**, making it resistant to dust, water, and corrosion ideal for harsh industrial environments.
7. **Easy Maintenance** The motor s design allows for straightforward servicing, including bearing replacement and winding repairs, due to its modular construction.
8. **Resale Value** Allen-Bradley motors retain value well in the used market, making them a good long-term investment.
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#### **Cons:**1. **Higher Upfront Cost** Compared to generic or non-branded motors, Allen-Bradley motors are **more expensive**, which may be a barrier for budget-conscious buyers.
2. **Potential Overkill for Light-Duty Use** If the application does not require **40HP continuously**, the motor may be **oversized**, leading to higher energy costs and unnecessary wear.
3. **VFD Compatibility Considerations** While compatible with VFDs, **incompatible drive settings (e.g., wrong voltage, frequency, or harmonic distortion) can reduce motor lifespan**. Proper sizing of the VFD is essential.
4. **Limited Availability of Spare Parts** While Rockwell Automation has a strong support network, **some older models may have discontinued parts**, requiring sourcing from third-party suppliers.
5. **Weight and Installation Complexity** At **40HP**, this motor is **heavy ( 500-700 lbs depending on frame size)**, requiring proper mounting and alignment to prevent vibration and premature failure.
6. **Potential for Overheating in Poor Ventilation** If installed in an **enclosed space without adequate airflow**, the TEFC cooling may struggle, leading to overheating.
7. **Longer Lead Times for Replacements** In some regions, **stock availability may be limited**, leading to delays in repairs or replacements.
8. **Not the Most Energy-Efficient Option** Unlike **IE3 or premium efficiency motors**, this is a **standard efficiency (IE2) design**, meaning it may consume slightly more power than newer, more efficient alternatives.
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### **Conclusion**
The **Allen-Bradley 364THFS6091AN 2A AC motor** is a **high-quality, reliable choice** for **heavy-duty industrial applications** where **durability, compatibility with control systems, and long-term performance** are critical. It excels in **continuous-duty environments** and is well-suited for **Rockwell Automation-based automation systems**.
However, it is **not the best choice** if:- The application requires **lower horsepower** (leading to inefficiency).
- **Budget constraints** make a more cost-effective generic motor preferable.
- **Energy efficiency** is a top priority (considering newer IE3 motors).
- **Immediate availability** is a concern (due to potential lead times).
### **Recommendation**
**Buy this motor if:**You need a **reliable, long-lasting motor** for **continuous industrial use**.
Your system is **Rockwell Automation-compatible** (PLCs, VFDs, etc.).
The **40HP rating matches your load requirements** (not oversized).
You can **install it in a well-ventilated area** to prevent overheating.
You prioritize **brand support and warranty coverage**.
**Consider alternatives if:**You need **lower horsepower** (e.g., 20-30HP) and want cost savings.
**Energy efficiency** is a major concern (look for **IE3 or premium efficiency motors**).
You require **immediate availability** (check for **OEM or aftermarket equivalents**).
Your budget is tight (compare with **reputable generic brands** like WEG, Siemens, or TECO).
**Final Verdict:** This is a **strong industrial-grade motor** for applications where **reliability and compatibility** are non-negotiable. If your requirements align with its specifications, it is a **solid long-term investment**. Otherwise, evaluate whether a **simpler, more cost-effective alternative** would suffice.
Circuit Breakers. Model Number:2A 364THFS6091AN W. Solenoid Coils. Shock Absorbs.
Motor Drives. Motor Starters. Solenoid Valves.