SMITH JONES 57340 Compressor Motor Rpm Single Phase Mount 3600 115/230V

( Brand: Smith Jones ), ( Manufacturer Part Number: 57340 ), ( Part Type: Hp 230v Compressor Motor Mount ), ( Actual Rated Input Voltage: 230 V, 115 V ), ( Special Motor Construction: Compressor-duty Motor ), ( Base Rpm: 3600 ), ( Current Type: Ac ), ( Service Factor: 1.15 ), ( Full Load Amps: 11.2/5.6 A ), ( Nema Design Letter: Design B ), ( Ac Frequency Rating: 60 Hz ), ( Enclosure Type: Open ), ( Shaft Type: Keyed ), ( Ac Motor Type: Induction/asynchronous ), ( Shaft Diameter: 5/8 In ), ( Mounting Type: Base-mounted, Foot-mounted ), ( Reversible/non-reversible: Reversible ), ( Protection Against Liquids: Not Protected ), ( Ip Rating: Not Rated ), ( Ac Phase: Single Phase )

Review SMITH JONES Compressor duty Motor Hp Rpm 115/230v Single Phase Foot mount

The **Smith Jones 57340 Compressor-Duty Motor** is a robust, high-performance electric motor meticulously engineered for demanding compressor applications, delivering reliable and efficient operation in industrial, HVAC, and refrigeration systems. Built with a **3600 RPM synchronous speed**, this single-phase, **115/230V** motor provides a balanced blend of power and precision, ensuring consistent performance under continuous load conditions. The **foot-mount design** offers versatility in installation, allowing for easy integration into existing mechanical setups while maintaining structural stability. Constructed with **high-grade materials**, including a robust steel frame and premium insulation class, this motor is designed to withstand the rigors of compressor duty, offering extended operational life even in harsh environments.

Featuring a **compressor-duty rating**, this motor is optimized for applications requiring frequent starts, high torque, and sustained efficiency such as air conditioning units, refrigeration compressors, and industrial gas compressors. The **1 HP output** ensures sufficient power for medium-duty tasks while maintaining energy efficiency, reducing operational costs over time. With a **single-phase electrical configuration**, it is ideal for applications where three-phase power is unavailable, offering flexibility in system design without compromising performance. The motor s **sealed bearing assembly** and **high-temperature-resistant components** further enhance durability, minimizing maintenance requirements and maximizing uptime.

Smith Jones, a trusted name in industrial motors, has incorporated advanced engineering into this model to ensure smooth operation and longevity. The **foot-mount construction** provides a stable base, reducing vibration and noise while improving overall system reliability. Whether used in residential HVAC systems, commercial refrigeration, or light industrial applications, this motor delivers consistent performance with minimal wear, making it a dependable choice for engineers and technicians seeking a balance of power, efficiency, and durability. Built to meet strict industry standards, the **57340 Compressor-Duty Motor** is a reliable workhorse for any application demanding dependable single-phase motor performance.

### **Pros and Cons of buying a Smith-Jones 57340 Compressor-Duty Motor (3 HP, 3600 RPM, 115/230V, Single-Phase, Foot-Mount)**

1. **Compressor-Duty Design** This motor is specifically engineered for compressor applications, which means it is built to handle the high starting torque and cyclic loads common in compressors (e.g., refrigeration, air conditioning, or vacuum systems). Standard motors may struggle with these demands, leading to premature failure.

2. **Reliable Brand** Smith-Jones is a well-established manufacturer of industrial motors, known for durability and performance in demanding environments. Their compressor-duty motors are designed to withstand frequent starts and heavy loads.

3. **High Efficiency** Compressor-duty motors are optimized for energy efficiency, reducing operational costs over time compared to general-purpose motors that may consume more power for the same workload.

4. **Single-Phase Compatibility** This motor operates on standard single-phase power (115/230V), making it suitable for smaller industrial or commercial setups where three-phase power may not be available.

5. **Foot-Mount Construction** The foot-mount design provides stability and ease of installation, allowing for secure mounting on a base or frame without additional brackets.

6. **3600 RPM Speed** The 3600 RPM rating is ideal for many compressor applications, offering a balance between speed and torque for efficient operation.

7. **Long Lifespan** Due to its robust construction and compressor-specific design, this motor is likely to have a longer operational life compared to non-compressor-duty motors subjected to the same workload.

8. **Widely Available Parts and Support** As a legacy brand, Smith-Jones motors benefit from a network of distributors and repair services, making maintenance and part replacement easier.

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1. **Age of the Brand** Smith-Jones is no longer an actively growing manufacturer, meaning newer technologies and energy-efficient alternatives (e.g., inverter-duty or premium efficiency motors) may be available from more modern brands. This could limit long-term cost savings or innovation.

2. **Potential Higher Upfront Cost** While compressor-duty motors are efficient, they may be more expensive upfront compared to standard motors, though the long-term reliability often justifies the cost.

3. **Limited Warranty** Older motor brands may offer shorter or less comprehensive warranties compared to newer manufacturers. Always check the warranty terms before purchasing.

4. **Single-Phase Limitations** If your application requires higher power or three-phase operation, this motor may not be suitable, limiting its versatility.

5. **Maintenance Requirements** Like all motors, this one will require periodic maintenance (e.g., lubrication, bearing checks) to ensure longevity. Neglecting maintenance could reduce its lifespan.

6. **Compatibility with Modern Systems** If you re integrating this motor into a smart or variable-speed system, compatibility may be an issue, as compressor-duty motors are typically designed for constant-speed applications.

7. **Discontinued Models** Some Smith-Jones models are no longer in production, which could make finding replacements or upgrades difficult in the future.

8. **Energy Codes and Regulations** Newer energy codes or efficiency standards may render older motors less optimal over time, potentially increasing operational costs if upgrades are not made.

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The **Smith-Jones 57340 compressor-duty motor** is a solid choice for applications requiring high starting torque, frequent cycling, and reliable performance in compressor systems. Its compressor-specific design ensures durability and efficiency, making it ideal for refrigeration, air conditioning, or vacuum pump applications where standard motors would fail prematurely.

However, if you prioritize cutting-edge efficiency, longer warranties, or future-proofing your system, newer brands with premium efficiency or inverter-duty motors may be worth considering. The decision ultimately depends on your budget, application requirements, and long-term maintenance plans.

- You need a proven, reliable compressor-duty motor for a legacy system or a specific application where its design is critical.

- Cost-effectiveness and longevity are priorities, and you can maintain it properly.

- You require single-phase power and cannot justify upgrading to three-phase.

- You want the latest energy-efficient or inverter-duty motor for lower operating costs.

- Your application could benefit from variable-speed control or smart motor features.

- You prefer a brand with active support, longer warranties, or easier access to parts.

For most new installations, evaluating modern alternatives (e.g., TEFC, premium efficiency, or inverter-compatible motors) may offer better long-term value. However, for existing systems or applications where the Smith-Jones motor is a proven fit, it remains a dependable option.

Details:

Smith Jones Compressor-Duty Motor 3 HP 3600 RPM 115/230V Single Phase Foot-Mount.

part #: 57340 prices

• $110.00-$299.00

specifications oelemot:

• brand: Smith Jones
• mpn: 57340
• part type: Hp 230v Compressor Motor Mount
• actual rated input voltage: 230 V, 115 V
• special motor construction: Compressor-duty Motor
• base rpm: 3600
• current type: Ac
• service factor: 1.15
• full load amps: 11.2/5.6 A
• nema design letter: Design B
• ac frequency rating: 60 Hz
• enclosure type: Open
• shaft type: Keyed
• ac motor type: Induction/asynchronous
• shaft diameter: 5/8 In
• mounting type: Base-mounted, Foot-mounted
• reversible/non-reversible: Reversible
• protection against liquids: Not Protected
• ip rating: Not Rated
• ac phase: Single Phase

shipping oelemot:

• class: Standard
• carrier: USPS
• cost: $66.56
• transit: 5-12 Days
• type: Calculated
• service: USPS Ground Advantage

payments oelemot:

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

offer oelemot:

• quantity: 1
• best offers: True
• options: Ship-to-home
• sold: 0
• availability: In Stock
• started: April 10, 2026

seller oelemot:

• city: Houston, Texas
• rating: 100.0%
• # reviews: 14

general oelemot:

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

returns oelemot:

• policy: No Returns

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