MARATHON 56T17D3302A-P Ac Motor Dp Nema 1-1/2HP 3PH 208-230/460V 1725RPM

( Brand: Marathon ), ( Manufacturer Part Number: 56T17D3302A-P ), ( Part Type: Ac Motor ), ( Actual Rated Input Voltage: 208-230/460 ), ( Full Load Amps: 8.4-8.8/2.4 ), ( Nema Design Letter: Design B ), ( Rated Load: Hp ), ( Ac Frequency Rating: 50/60 Hz ), ( Enclosure Type: Dp ), ( Base Rpm: 1725 ), ( Ac Motor Type: Induction/asynchronous ), ( Mounting Type: Base-mounted ), ( Current Type: Ac ), ( Service Factor: 1.15 ), ( Nominal Rated Input Voltage: 208 V, 230 V, 460 V ), ( Ac Phase: Three Phase )

Review MARATHON 1-1/2hp 3ph Ac Motor 208-230/460v 1725rpm Dp Nema 56t

The **Marathon 56T17D3302A-P** is a high-performance, three-phase alternating current (AC) motor designed for demanding industrial, commercial, and manufacturing applications where reliability, efficiency, and durability are paramount. Part of the robust **Nema 56T** frame series, this motor delivers a consistent **1.5 horsepower (HP)** output while maintaining exceptional performance across a wide range of operational conditions. Built with Marathon s signature **Duty Premium (DP)** construction, this motor is engineered to withstand continuous heavy-duty use, making it ideal for conveyor systems, pumps, compressors, fans, and other machinery requiring dependable motor performance.

Operating at a nominal speed of **1725 RPM** when powered by a **208-230V or 460V** three-phase supply, the 56T17D3302A-P is versatile enough to integrate seamlessly into various voltage configurations, ensuring flexibility in industrial setups. Its **NEMA Premium ** efficiency rating guarantees superior energy savings, reducing operational costs while minimizing environmental impact a key advantage in today s cost-conscious and eco-friendly manufacturing environments. The motor s **cast iron end shields and rotor assembly** provide exceptional thermal stability, while its **ball-bearing support system** ensures smooth, vibration-free operation even under prolonged load conditions.

Constructed with **high-grade, corrosion-resistant materials**, including a **painted gray or other customizable finish**, this motor is built to endure harsh environments, including exposure to moisture, dust, and temperature fluctuations. Its **IP54 (NEMA 1) protection rating** offers basic protection against solid objects and limited water ingress, making it suitable for indoor applications where moderate environmental challenges may be present. The **D3302A** designation indicates a **3-phase, 60 Hz** design, ensuring compatibility with standard industrial power grids in North America and other regions adhering to similar electrical standards.

One of the standout features of the Marathon 56T17D3302A-P is its **low-maintenance design**, incorporating sealed bearings and a robust shaft assembly that minimizes wear and extends service life. The motor s **NEMA 56T frame** provides ample torque capacity and structural integrity, accommodating a variety of mounting configurations, including foot-mounted or flange-mounted setups, depending on application requirements. Additionally, its **standard NEMA plug-and-play design** simplifies installation and replacement, reducing downtime and maintenance overhead.

Whether deployed in food processing plants, material handling systems, HVAC applications, or other industrial settings, the **Marathon 56T17D3302A-P** delivers a perfect balance of power, efficiency, and longevity. With its **premium-grade construction, energy-saving performance, and rugged durability**, this motor is a dependable choice for engineers and facility managers seeking a high-performance, long-lasting solution that enhances productivity while reducing operational expenses. Built to meet or exceed **NEMA, UL, and CSA safety standards**, it instills confidence in its ability to perform reliably under the most demanding workloads.

### **Pros and Cons of buying a Marathon 56T17D3302A-P (1.5 HP, 3-Phase AC Motor, 208-230/460V, 1725 RPM, DP, NEMA 56T)**

1. **Reliable Brand Reputation** Marathon Electric is a well-established manufacturer known for durable, high-quality industrial motors. Their products are widely used in manufacturing, HVAC, and automation applications, offering long service life and consistent performance.

2. **Wide Voltage Range (208-230V/460V)** The motor supports dual voltage operation, making it versatile for different electrical systems without requiring a separate model. This flexibility reduces inventory costs and simplifies maintenance.

3. **NEMA 56T Frame Compatibility** The NEMA 56T frame is a standard size, meaning it is easy to integrate with existing equipment, replacement parts, and conveyor systems. This reduces installation time and costs.

4. **High Efficiency (1.5 HP)** At 1.5 HP, this motor is suitable for moderate-duty applications such as pumps, fans, compressors, and light industrial machinery. It balances power output with energy efficiency, reducing operational costs.

5. **Duty Type (DP Continuous Duty)** The motor is designed for continuous operation, making it ideal for applications requiring prolonged runtime without overheating concerns.

6. **Standard RPM (1725 RPM)** The 1725 RPM speed is common in industrial applications, allowing for direct coupling with standard gearboxes, belts, and other mechanical components without requiring speed adjustments.

7. **Easy Maintenance** As a NEMA-premium motor, it likely includes features like improved bearing seals, reduced vibration, and better cooling, which extend maintenance intervals and reduce downtime.

8. **Compatibility with Variable Frequency Drives (VFDs)** The motor s design supports VFD applications, allowing for speed control and energy savings in variable-load operations.

9. **Warranty and Support** Marathon motors typically come with standard warranties (often 1 3 years), and the brand offers robust customer support, including technical assistance and spare parts availability.

10. **Cost-Effective for Mid-Range Applications** While not the most expensive motor on the market, it offers a good balance of performance and price, making it a practical choice for small to medium industrial setups.

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1. **Limited Single-Phase Option** This motor is **three-phase only**, which means it cannot be used in single-phase electrical systems without additional equipment (e.g., a phase converter). This may add complexity and cost if the application requires single-phase power.

2. **Higher Upfront Cost Compared to Basic Motors** While not excessively expensive, it is more costly than very basic, low-efficiency motors. For very low-budget applications, cheaper alternatives may exist, though they may lack durability.

3. **Not Ideal for High-Speed or High-Torque Applications** At 1.5 HP and 1725 RPM, this motor is not suited for heavy-duty tasks requiring significantly higher torque or speed. For such applications, a larger or specialized motor would be necessary.

4. **Requires Proper Installation and Maintenance** Like all industrial motors, improper installation (e.g., incorrect alignment, overloading, or inadequate cooling) can reduce lifespan. Users must ensure proper setup and periodic maintenance.

5. **Potential Lead Times** Depending on demand and stock availability, ordering may require lead time, especially for custom or specialty configurations.

6. **Noise and Vibration Considerations** While NEMA-premium motors are designed to minimize vibration, some industrial motors can produce noticeable noise during operation. This may be a concern in noise-sensitive environments.

7. **Dependence on Electrical System Compatibility** The motor s dual-voltage capability is an advantage, but if the facility s electrical system is not properly sized (e.g., insufficient amperage for the motor s full load), it may cause tripping or overheating.

8. **Limited Customization** This is a standard motor, and significant customization (e.g., enclosures, special bearings, or unique mounting options) may require additional ordering or modifications.

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The **Marathon 56T17D3302A-P** is a **reliable, mid-range 3-phase AC motor** well-suited for **continuous-duty industrial applications** such as pumps, fans, compressors, and light machinery. Its **dual-voltage capability, NEMA 56T frame compatibility, and Marathon s reputation for durability** make it a strong choice for facilities requiring a balance of performance and cost-effectiveness.

However, it is **not ideal for single-phase systems** (requiring a phase converter) or applications needing **high torque or speed**. For **very low-budget or high-specialization needs**, alternative motors may exist, but they often sacrifice quality or compatibility.

If your application aligns with its specifications **moderate power, continuous operation, and standard industrial use** this motor is a **solid, long-term investment** with minimal regrets. For **highly specialized or cost-sensitive applications**, a more tailored motor may be necessary.

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- You need a **reliable, 1.5 HP, 3-phase motor** for **continuous-duty industrial use**.

- Your facility has **208-230V or 460V three-phase power**.

- You prioritize **Marathon s durability and warranty support**.

- The **NEMA 56T frame** matches your existing equipment.

- You require a **single-phase motor** (a phase converter will be needed).

- Your application demands **higher torque, speed, or efficiency** beyond 1.5 HP.

- You are working with **extremely tight budgets** and can find equally reliable alternatives at a lower cost.

- Your electrical system **cannot support the motor s full load** without additional infrastructure.

**Final Verdict:** For most **standard industrial applications**, this motor is an **excellent choice** that balances performance, reliability, and cost. Ensure proper installation and maintenance to maximize its lifespan.

Details:

Marathon 1-1/2HP 3PH AC Motor 208-230/460V 1725RPM DP NEMA 56T.

part #: 56t17d3302a prices

• $95.00-$159.50

specifications oelemot:

• brand: Marathon
• mpn: 56t17d3302a-p
• part type: Ac Motor
• actual rated input voltage: 208-230/460
• full load amps: 8.4-8.8/2.4
• nema design letter: Design B
• rated load: Hp
• ac frequency rating: 50/60 Hz
• enclosure type: Dp
• base rpm: 1725
• ac motor type: Induction/asynchronous
• mounting type: Base-mounted
• current type: Ac
• service factor: 1.15
• nominal rated input voltage: 208 V, 230 V, 460 V
• ac phase: Three Phase

payments oelemot:

• other
• credit card: Discover
• wallet: Paypal

shipping oelemot:

• cost: $84.24
• class: Standard
• type: Calculated
• service: USPS Ground Advantage
• carrier: USPS
• transit: 6-12 Days

general oelemot:

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

offer oelemot:

• availability: In Stock
• started: May 23, 2026
• options: Ship-to-home
• best offers: True
• quantity: 1
• sold: 0

returns oelemot:

• policy: No Returns

seller oelemot:

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

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