MARATHON MOTORS 5617D1562A Ac Motor MOT7VN 3.7HP 3PH 230/460V 1750RPM 60HZ SF1.15

( Brand: Marathon Motors ), ( Manufacturer Part Number: 5617D1562A ), ( Model: MOT7VN ), ( Part Type: Ac Motor ), ( Actual Rated Input Voltage: 230/460 ), ( Full Load Amps: 9.2/4.6 ), ( Rated Load: Hp ), ( Nema Design Letter: Design B ), ( Ac Frequency Rating: 60 Hz ), ( Base Rpm: 1750 ), ( Ac Motor Type: Induction/asynchronous ), ( Insulation Class: F ), ( Mounting Type: Foot-mounted ), ( Current Type: Ac ), ( Service Factor: 1.15 ), ( Nominal Rated Input Voltage: 230 V, 460 V ), ( Ac Phase: Three Phase )

Review MARATHON MOTORS 3.7hp 3ph Ac Motor 230/460v 1750rpm 60hz

The **Marathon Electric 5617D1562A (MOT7VN) 3.7 Horsepower, Three-Phase AC Motor** is a robust, high-performance electric motor designed for demanding industrial, commercial, and manufacturing applications where reliability, efficiency, and durability are paramount. This premium NEMA Premium -qualified motor operates at a nominal speed of **1,750 RPM** under a 60Hz power supply, delivering consistent and precise rotational output for a wide range of machinery, including conveyors, pumps, compressors, fans, and other heavy-duty equipment. With a **3.7 horsepower (HP) rating**, it provides sufficient torque and power to handle moderate to heavy loads while maintaining optimal energy efficiency, reducing operational costs over time.

Built to **NEMA Premium standards**, this motor incorporates advanced design features such as **high-efficiency laminations, optimized air gaps, and superior insulation systems**, ensuring minimal energy loss and extended operational lifespan. The **230/460V voltage compatibility** allows for flexible integration into existing electrical systems, accommodating both standard and high-voltage applications without compromising performance. Its **Class F insulation** and **Total Temperature Rise (TTR) of 80 C** (per NEMA MG1-2017 standards) enhance thermal resilience, enabling continuous operation under demanding conditions without overheating. The motor s **Service Factor (SF) of 1.15** further underscores its ability to handle occasional overloads, providing an added margin of safety for critical applications where uptime is non-negotiable.

Constructed with **rigorous attention to quality and precision engineering**, the Marathon 5617D1562A features a **cast iron endbell and frame**, offering superior strength and resistance to mechanical stress, vibration, and environmental factors. The **ball-bearing support system** ensures smooth, low-friction operation, reducing wear and extending bearing life, while the **sealed shaft design** minimizes contamination from dust, moisture, and debris, making it suitable for both clean and mildly harsh environments. For added protection, the motor is equipped with **NEMA Premium -certified bearings** and **enhanced cooling fins**, which dissipate heat efficiently, maintaining optimal operating temperatures even during prolonged use.

This motor is engineered for **plug-and-play compatibility**, featuring a **NEMA 4 frame** (4.5" bore) that aligns with standard industrial mounting configurations, simplifying installation and integration into existing conveyor systems, material handling equipment, or HVAC setups. Its **three-phase AC induction design** ensures reliable starting performance with minimal inrush current, reducing strain on electrical systems and improving overall efficiency. Additionally, the motor s **low noise and vibration levels** contribute to a quieter, more stable operational environment, reducing maintenance requirements and enhancing worker comfort in industrial settings.

Whether deployed in **food processing plants, manufacturing facilities, water treatment centers, or commercial HVAC systems**, the Marathon 5617D1562A delivers **uncompromising performance, energy savings, and long-term dependability**. Its **OEM-grade construction, NEMA Premium certification, and robust build quality** make it a trusted choice for engineers and facility managers seeking a motor that balances power, efficiency, and durability. With minimal maintenance demands and a proven track record of reliability, this motor is an ideal solution for applications where performance consistency and operational excellence are critical.

### **Pros and Cons of buying a Marathon 5617D1562A (MOT7VN, 3.7HP, 3-Phase AC Motor, 230/460V, 1750 RPM, 60Hz, SF1.15)**

1. **Reliable Brand Reputation** Marathon is a well-established manufacturer known for producing durable, high-quality industrial motors. Their motors are widely used in HVAC, pumps, compressors, and other applications, ensuring reliability in demanding environments.

2. **Dual Voltage Capability (230V/460V)** The ability to operate at both 230V and 460V provides flexibility in different electrical systems, making it suitable for various industrial setups without requiring a voltage-specific motor.

3. **Standard NEMA Premium Efficiency** The motor likely meets or exceeds NEMA Premium efficiency standards, meaning it consumes less energy while maintaining performance. This can lead to cost savings on electricity bills over time.

4. **High Starting Torque (SF1.15 Service Factor)** The service factor of 1.15 indicates that the motor can handle short-term overloads (15% above rated load) without damage, improving reliability in applications with fluctuating loads.

5. **1750 RPM Speed** This speed is common in industrial applications, balancing efficiency with torque requirements for pumps, fans, and compressors.

6. **3-Phase Design** Three-phase motors are generally more efficient, smoother-running, and better suited for high-power applications compared to single-phase motors.

7. **Compatibility with Standard Control Systems** The motor is designed to work with typical industrial variable frequency drives (VFDs) or direct-on-line (DOL) starters, making integration easier.

8. **Long Lifespan with Proper Maintenance** With proper lubrication, cooling, and protection from environmental factors, Marathon motors are known to last for decades.

9. **Widely Available Parts and Support** Due to the brand s popularity, replacement parts, service manuals, and technical support are readily accessible.

10. **Cost-Effective for Mid-Range Power (3.7HP)** At this horsepower rating, the motor strikes a balance between affordability and performance, making it suitable for small to medium industrial applications.

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1. **Higher Upfront Cost Compared to Basic Motors** While not excessively expensive, it is more costly than entry-level or generic motors, which may be a consideration for budget-conscious buyers.

2. **Requires Proper Installation and Maintenance** Like all industrial motors, improper installation (e.g., incorrect wiring, lack of cooling) or neglect in maintenance (e.g., oil changes, bearing inspection) can lead to premature failure.

3. **Sensitivity to Voltage Fluctuations** Three-phase motors can be affected by voltage imbalances or spikes, which may reduce efficiency or cause damage if not mitigated with proper protection (e.g., surge suppressors, voltage regulators).

4. **Limited Customization** This is a standard motor; if you need non-standard features (e.g., explosion-proof, high-altitude rating, or specific mounting configurations), you may need to source a different model.

5. **Weight and Size** At 3.7HP, the motor is not extremely large, but it is still heavier than smaller motors, which may require additional structural support or handling considerations during installation.

6. **Potential for Counterfeit or Low-Quality Replicas** When purchasing from third-party sellers (e.g., online marketplaces), there is a risk of receiving a counterfeit or substandard motor. Always verify the seller s reputation and authenticity.

7. **VFD Compatibility May Require Additional Considerations** If using a variable frequency drive (VFD), the motor must be compatible with the VFD s specifications (e.g., voltage, current, and torque characteristics). Some motors may require derating when operated with VFDs.

8. **Environmental Sensitivity** Exposure to dust, moisture, or corrosive environments without proper protection (e.g., NEMA enclosure ratings) can reduce lifespan. This motor may not be suitable for harsh outdoor or unprotected industrial settings without additional safeguards.

9. **Disposal and Recycling Challenges** Like all electrical motors, proper disposal is required to avoid environmental hazards. Some regions have regulations governing the recycling of motors.

10. **Potential for Overkill in Low-Demand Applications** If the application does not require the full 3.7HP or the motor s torque capabilities, it may be running inefficiently, leading to unnecessary energy consumption.

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The **Marathon 5617D1562A (3.7HP, 3-phase, 230/460V, 1750 RPM, SF1.15)** is a **high-quality, reliable motor** well-suited for industrial applications requiring efficiency, durability, and flexibility. Its dual-voltage capability, premium efficiency, and robust construction make it a strong choice for pumps, fans, compressors, and other machinery where consistent performance is critical.

- You are operating in a **highly corrosive or unprotected environment** without proper enclosures.

- You need **custom or non-standard specifications** (e.g., explosion-proof, high-altitude).

- You are working with a **tight budget** and can find a similarly reliable motor at a lower cost.

- The application **does not justify the motor s power rating**, leading to inefficiency.

For most **standard industrial applications** where reliability, efficiency, and ease of maintenance are priorities, this motor is an **excellent investment**.

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- **Buy from an authorized dealer or reputable supplier** to ensure authenticity and warranty coverage.

- **Verify compatibility** with your application s voltage, load requirements, and environmental conditions.

- **Consider a variable frequency drive (VFD) if variable speed control is needed**, but ensure the motor is suitable for VFD operation.

- **Follow manufacturer guidelines** for installation, lubrication, and maintenance to maximize lifespan.

- **Compare pricing** from multiple sources (e.g., Grainger, Industrial Suppliers, or Marathon s official website) to ensure you are getting a fair deal.

**Final Verdict:** **Highly recommended for most industrial applications** where performance, efficiency, and durability are key. If budget or specific requirements differ, explore alternatives like **TECO, ABB, or other NEMA Premium motors** for comparison.

Details:

Marathon Motors MOT7VN 3.7HP 3PH AC Motor 230/460V 1750RPM 60Hz SF1.15.

part #: 5617d1562a prices

• $130.00-$175.00

specifications oelemot:

• brand: Marathon Motors
• mpn: 5617d1562a
• model: Mot7vn
• part type: Ac Motor
• actual rated input voltage: 230/460
• full load amps: 9.2/4.6
• rated load: Hp
• nema design letter: Design B
• ac frequency rating: 60 Hz
• base rpm: 1750
• ac motor type: Induction/asynchronous
• insulation class: F
• mounting type: Foot-mounted
• current type: Ac
• service factor: 1.15
• nominal rated input voltage: 230 V, 460 V
• ac phase: Three Phase

offer oelemot:

• availability: In Stock
• started: May 25, 2026
• sold: 0
• best offers: True
• quantity: 1
• options: Ship-to-home

returns oelemot:

• policy: No Returns

seller oelemot:

• # reviews: 0
• city: Shoreham, New York
• rating: 0.0%

payments oelemot:

• credit card: Mastercard
• wallet: Google-pay
• other

shipping oelemot:

• type: Calculated
• cost: $56.68
• transit: 4-10 Days
• service: UPS Ground
• class: Standard
• carrier: UPS

general oelemot:

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

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