MARATHON ELECTRIC Hazardous Motor RJ56H17G15503A

( Brand: Marathon Electric ), ( Manufacturer Part Number: 56H17G15503A ), ( Type: Ac Motors ), ( Dimensions: 20x9x11 ), ( State: Michigan ), ( Country: United States ), ( Storage Location: Nevada Mro Area Bin366 )

Review MARATHON ELECTRIC Hazardous Duty Motor Used

The **Marathon Electric 56H17G15503A (RJ56H17G15503A) Hazardous Motor** is a robust, high-performance electric motor engineered specifically for demanding industrial applications in hazardous environments, where safety, reliability, and durability are paramount. Designed with a **17-frame size** and a **56-inch face width**, this motor delivers exceptional torque and efficiency while adhering to stringent compliance standards for use in classified areas, including Class I, Division 2, Groups A, B, C, and D, as well as Class II, Division 2, Groups E, F, and G. Its **explosion-proof construction** ensures that even in the presence of flammable gases, vapors, or combustible dust, the motor operates without posing a risk of ignition, making it an indispensable component in industries such as oil and gas, chemical processing, pharmaceutical manufacturing, and petrochemical refining.

Built with **high-quality materials**, the Marathon Electric 56H17G15503A features a **TEFC (Totally Enclosed Fan-Cooled) design**, which provides superior protection against contaminants, moisture, and corrosive substances while maintaining optimal thermal performance. The motor s **NEMA Premium efficiency rating** ensures energy savings and reduced operational costs, aligning with modern sustainability goals without compromising on performance. Its **bearing housing** is reinforced for extended service life, and the **sealed shaft** prevents ingress of harmful particles, further enhancing longevity in harsh conditions. The motor s **high starting torque** and **smooth acceleration** capabilities make it ideal for applications requiring precise control, such as conveyors, pumps, compressors, and agitators in hazardous environments.

The **RJ56H17G15503A** variant is equipped with a **1500 RPM synchronous speed**, delivering a balanced output for a wide range of industrial machinery. Its **explosion-proof enclosure** is certified to meet **UL, CSA, and ATEX standards**, ensuring global compatibility and regulatory compliance. The motor s **low maintenance design** incorporates features like **sealed bearings, corrosion-resistant coatings, and easy-access components**, reducing downtime and operational disruptions. Additionally, its **integrated thermal protection** and **overload safeguards** provide an extra layer of reliability, preventing catastrophic failures in critical applications. Whether deployed in a refinery, a chemical plant, or a pharmaceutical facility, this motor exemplifies Marathon Electric s commitment to delivering **uncompromising performance, safety, and longevity** in the most challenging industrial settings.

### **Pros and Cons of buying a Marathon Electric 56H17G15503A (RJ56H17G15503A) Hazardous Motor**

#### **Pros**

1. **High Power and Efficiency**

The Marathon Electric 56H17G15503A is a robust motor designed for demanding industrial applications, particularly in hazardous environments. It delivers high torque and efficiency, making it suitable for heavy-duty operations such as pumps, compressors, and conveyors.

2. **Explosion-Proof and Hazardous Location Certification**

This motor is certified for use in hazardous areas (Class I, Division 1, Groups A, B, C, and D; Class II, Division 1, Groups E, F, and G; and Class III, Division 1). This ensures safety in environments with flammable gases, vapors, or dust, reducing the risk of explosions.

3. **Durability and Reliability**

Marathon Electric is a well-established manufacturer known for producing high-quality, durable motors. The 56H17G15503A is built with robust materials and precision engineering, which contributes to long-term reliability and reduced maintenance needs.

4. **Wide Compatibility**

The motor is designed to work with various types of drives and control systems, making it versatile for integration into existing or new industrial setups. It is also compatible with different voltage and frequency requirements, depending on the application.

5. **Energy Efficiency**

Modern motors from Marathon Electric, including this model, are often designed with energy-efficient features. This can lead to cost savings on electricity bills over the motor s lifespan.

6. **Support and Warranty**

Marathon Electric provides comprehensive technical support and warranty coverage, which can be beneficial for troubleshooting and repairs. Their customer service is generally well-regarded in the industrial sector.

7. **Customization Options**

Depending on the application, this motor may be available with additional features such as variable frequency drive (VFD) compatibility, different mounting configurations, or specialized cooling systems.

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#### **Cons**

1. **High Initial Cost**

Like most high-performance industrial motors, the Marathon Electric 56H17G15503A is likely to have a higher upfront cost compared to standard or non-hazardous motors. This can be a significant investment for smaller businesses or projects with tight budgets.

2. **Complex Installation and Maintenance**

Due to its specialized design for hazardous environments, installation may require additional expertise and compliance with strict safety protocols. Maintenance also may be more complex and require trained personnel, potentially increasing operational costs.

3. **Limited Availability of Parts**

While Marathon Electric is a reputable brand, finding replacement parts or specialized components for this motor may be more challenging compared to more common motor models. This could lead to longer downtimes if parts are not readily available.

4. **Size and Weight**

The motor is likely to be larger and heavier than standard motors, which may complicate transportation, storage, and installation in space-constrained environments.

5. **Potential Overkill for Some Applications**

If the application does not require the motor s full capacity or hazardous location certification, purchasing this motor may be unnecessary. In such cases, a less expensive, non-hazardous motor could suffice.

6. **Energy and Operational Costs**

While the motor is energy-efficient, the power it consumes may still be substantial for certain applications. Depending on the operational hours, electricity costs could add up over time.

7. **Dependence on Supplier and Lead Times**

Industrial motors, especially those with hazardous location certifications, may have longer lead times due to manufacturing and testing requirements. This could delay project timelines if the motor is not procured in advance.

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### **Conclusion**

The Marathon Electric 56H17G15503A (RJ56H17G15503A) hazardous motor is an excellent choice for applications requiring high performance, reliability, and safety in explosive or hazardous environments. Its explosion-proof certification, durability, and efficiency make it ideal for industries such as oil and gas, chemical processing, mining, and manufacturing. However, the high initial cost, complex installation, and potential maintenance challenges must be carefully considered. For businesses operating in hazardous locations where safety is paramount, this motor offers significant long-term benefits despite its drawbacks.

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### **Recommendation**

- Your application requires operation in a hazardous or explosive environment.

- You need a motor with high torque, efficiency, and long-term reliability.

- Budget constraints are not a critical factor, and the long-term benefits outweigh the initial cost.

- You have access to trained personnel for installation and maintenance.

- Your application does not require hazardous location certification, and a standard motor would suffice.

- You are working with a limited budget and cannot justify the higher upfront cost.

- Your team lacks the expertise to install, maintain, or troubleshoot the motor.

- The motor s size or weight poses logistical challenges for your facility.

For businesses operating in hazardous environments, the Marathon Electric 56H17G15503A is a strong recommendation due to its safety features and performance. However, always conduct a thorough cost-benefit analysis and consult with industry experts to ensure it meets your specific needs.

Details:

It is designed for industrial operation in classified hazardous locations, including Class I, Groups Canad II, E, F G, Division 1 environments. Model: RJ 56H17G15503A PO. Overview:: Type: AC Motors. This motor is rated at 1/2 HP, operates on 230/460 VAC three phase power, and built for continuous duty service.

Marathon Electric RJ56H17G15503A Hazardous Duty Motor USED This listing is for a hazardous duty AC motor. Brand: MARATHON ELECTRIC. Specifications:: Weight.

part #: 56h17g15503a prices

• $329.99-$799.99

specifications oelemot:

• brand: Marathon Electric
• mpn: 56h17g15503a
• type: Ac Motors
• dimensions: 20x9x11
• state: Michigan
• country: United States
• storage location: Nevada Mro Area Bin366

offer oelemot:

• sold: 0
• started: March 31, 2026
• availability: In Stock
• quantity: 1
• options: Ship-to-home
• best offers: True

returns oelemot:

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

payments oelemot:

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

seller oelemot:

• # reviews: 1324
• city: Detroit, Michigan
• rating: 99.7%

general oelemot:

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

shipping oelemot:

• type: Calculated
• service: UPS Ground, UPS Next Day Air, UPS Ground Saver, USPS Ground Advantage
• cost: $55.67
• class: Standard, One-day, Economy
• transit: 2-4 Days
• carrier: UPS, USPS

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