MARATHON ELECTRIC 56T17D3302A Ac Motor Dp 1-1/2HP 3PH 208-230/460V 1725RPM 60HZ SF1.15

( Brand: Marathon Electric ), ( Manufacturer Part Number: 56T17D3302A ), ( Part Type: Ac Motor ), ( Actual Rated Input Voltage: 208-230/460 V ), ( Full Load Amps: 4.8-4.8/2.4 ), ( Rated Load: Hp ), ( Nema Design Letter: Design B ), ( Ac Frequency Rating: 60 Hz ), ( Enclosure Type: Dp ), ( Base Rpm: 1725 ), ( Ac Motor Type: Induction/asynchronous ), ( Insulation Class: B ), ( Mounting Type: Base-mounted, Foot-mounted ), ( Current Type: Ac ), ( Service Factor: 1.15 ), ( Ac Phase: Three Phase )

Review MARATHON ELECTRIC 1-1/2hp 3ph Ac Motor 208-230/460v 1725rpm 60hz Dp

The **Marathon Electric 56T17D3302A** is a robust, high-performance three-phase AC induction motor designed for demanding industrial applications requiring reliability, efficiency, and durability. Part of Marathon s trusted **T17** series, this motor delivers **1.5 horsepower (1.119 kW)** of continuous output while maintaining exceptional operational consistency across a wide range of industrial environments. Built with a **NEMA Premium ** design, it adheres to strict energy efficiency standards, ensuring optimal performance with reduced power consumption, which translates to lower operational costs and a smaller environmental footprint. The motor features a **460V primary voltage rating**, with a versatile **208-230V secondary option**, making it adaptable for various voltage configurations in manufacturing, processing, or automation systems. Operating at a nominal speed of **1,725 RPM at 60Hz**, it provides a balanced torque output suitable for applications such as conveyors, pumps, compressors, and other machinery requiring steady, high-efficiency performance.

Constructed with **Class B insulation**, the 56T17D3302A is engineered for extended service life, even under moderate temperature conditions, while its **drip-proof (DP) enclosure** ensures protection against accidental water splashes and dust ingress, enhancing its suitability for semi-exposed or lightly contaminated environments. The **Service Factor (SF) of 1.15** indicates that the motor can handle intermittent overloads up to 15% above its rated capacity without compromising longevity, making it ideal for applications with fluctuating demand. Its **NEMA Premium ** certification further underscores its efficiency, with energy savings of up to **10% or more** compared to standard motors, aligning with modern sustainability goals. The compact yet sturdy **56-frame size** ensures compatibility with a broad range of industrial gearboxes and mechanical systems, while its **three-phase AC design** guarantees smooth, vibration-free operation and minimal maintenance requirements. Whether integrated into a production line, HVAC system, or material handling equipment, the Marathon Electric 56T17D3302A delivers a dependable, high-efficiency power solution that balances performance, efficiency, and longevity.

### **Pros and Cons of buying a Marathon Electric 56T17D3302A (1.5 HP, 3-Phase AC Motor, 208-230/460V, 1725 RPM, 60Hz, DP, SF 1.15)**

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 conveyor systems, offering long-term reliability.

2. **Wide Voltage Range (208-230V / 460V)** The motor is designed to operate efficiently across multiple voltage levels, making it versatile for different industrial setups without requiring significant modifications.

3. **Standard NEMA Design (DP)** The DP (Drip-Proof) enclosure provides basic protection against falling water and solid objects, making it suitable for indoor or lightly exposed outdoor applications. It is also compatible with standard mounting configurations, simplifying installation.

4. **High Efficiency (SF 1.15)** The motor has a service factor (SF) of 1.15, meaning it can handle short-term overloads (15% above rated capacity) without premature failure. This improves operational flexibility and extends motor life under peak loads.

5. **Common RPM (1725 RPM at 60Hz)** The speed is standard for many industrial applications, reducing the need for additional gearing or speed reducers in most setups.

6. **Easy Availability of Parts & Service** As a widely distributed motor, spare parts, repair services, and replacements are readily available, reducing downtime in case of maintenance needs.

7. **Cost-Effective for Mid-Range Power (1.5 HP)** At 1.5 HP, this motor strikes a balance between affordability and performance, making it suitable for small to medium industrial applications where higher horsepower motors may be unnecessary.

8. **Compatibility with Standard Control Systems** The 3-phase design works seamlessly with common industrial control panels, variable frequency drives (VFDs), and star-delta starters, offering flexibility in automation.

9. **Low Maintenance Requirements** With proper installation and lubrication, Marathon motors are known for requiring minimal upkeep, reducing operational costs over time.

10. **Proven Performance in Various Industries** The motor s design is tested for reliability in applications like pumps, fans, compressors, and conveyors, ensuring it meets typical industrial demands.

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1. **Limited Enclosure Options** The DP (Drip-Proof) enclosure is not weatherproof or explosion-proof, which may limit its use in harsh outdoor environments, dusty areas, or hazardous locations. If these conditions are present, a more robust enclosure (e.g., TEFC, NEMA 4/4X, or explosion-proof) would be required.

2. **No Built-In Overload Protection** The motor lacks integrated overload protection (such as thermal overload relays), meaning external protection devices (e.g., magnetic starters with overload relays) are necessary for safe operation. This adds to the initial setup cost.

3. **Standard Bearing Configuration** While durable, the bearings may require periodic greasing or replacement depending on usage intensity. Heavy-duty or continuous-duty applications might necessitate premium bearings or more frequent maintenance.

4. **No Integrated Braking** If braking is required (e.g., for precise stopping in conveyor systems), an additional brake system (e.g., magnetic particle brake) must be purchased separately, increasing complexity and cost.

5. **Potential for Higher Energy Consumption** While efficient, older or non-premium motors may consume slightly more energy than newer IE3 or IE4 efficiency standards. If energy savings are a priority, a higher-efficiency model (if available) might be preferable.

6. **Limited Customization** The motor is a standard model with fixed specifications (e.g., shaft length, mounting dimensions). Custom modifications (e.g., extended shafts, special flange types) would require additional ordering or machining.

7. **Dependence on 3-Phase Power Supply** The motor requires a 3-phase power source, which may not be available in all facilities. Single-phase applications would need a converter or alternative motor.

8. **Weight and Size** At 1.5 HP, the motor is not compact, and its weight (typically around 50 70 lbs) may require sturdy mounting and proper foundation support to prevent vibration or misalignment.

9. **Potential for Higher Initial Cost Than Single-Phase Alternatives** For smaller applications where 3-phase power is not available, a single-phase motor might be cheaper, though less powerful and less efficient.

10. **Resale Value Depreciation** Like most industrial equipment, motors depreciate over time. If resale or trade-in value is a consideration, the depreciation rate may offset long-term savings.

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The **Marathon Electric 56T17D3302A** is a **solid, mid-range 3-phase AC motor** well-suited for **industrial applications requiring reliability, versatility, and moderate power (1.5 HP)**. Its **wide voltage compatibility, standard NEMA design, and high service factor (1.15)** make it a practical choice for **pumps, fans, conveyors, and similar machinery** where **durability and ease of maintenance** are priorities.

However, its **limited enclosure protection, lack of built-in overload protection, and dependence on 3-phase power** may pose challenges in **harsh environments or applications requiring specialized features**. If the motor is used in **standard indoor settings with proper protection devices**, it will perform reliably with minimal issues.

For **higher efficiency needs, extreme environments, or custom requirements**, alternative models (e.g., TEFC enclosures, IE3/IE4 efficiency, or explosion-proof versions) may be worth considering. Similarly, if **energy savings or compactness** are critical, newer or specialized motors might be preferable.

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- You need a **reliable, mid-power (1.5 HP) 3-phase motor** for **standard industrial applications** (e.g., HVAC, conveyors, pumps).

- Your facility has **consistent 3-phase power (208 460V)** and **indoor or lightly exposed outdoor conditions**.

- You can **supplement it with external protection devices** (e.g., overload relays, starters).

- **Cost-effectiveness and longevity** are more important than cutting-edge efficiency or extreme environmental resistance.

- You require **higher efficiency (IE3/IE4)** or **energy savings**.

- The motor will operate in **harsh, dusty, or wet environments** (opt for TEFC, NEMA 4/4X, or explosion-proof enclosures).

- **Braking or precise speed control** is needed (may require additional components).

- **Single-phase power** is available, and a single-phase motor would suffice (though with lower power output).

For **most standard industrial uses**, the **Marathon 56T17D3302A is a well-chosen, cost-effective motor** that balances **performance, availability, and reliability**. Ensure proper installation, maintenance, and protection to maximize its lifespan and operational efficiency.

Details:

Marathon Electric 1-1/2HP 3PH AC Motor 208-230/460V 1725RPM 60Hz DP SF1.15.

part #: 56t17d3302a prices

• $149.00-$225.00

specifications oelemot:

• brand: Marathon Electric
• mpn: 56t17d3302a
• part type: Ac Motor
• actual rated input voltage: 208-230/460 V
• full load amps: 4.8-4.8/2.4
• rated load: Hp
• nema design letter: Design B
• ac frequency rating: 60 Hz
• enclosure type: Dp
• base rpm: 1725
• ac motor type: Induction/asynchronous
• insulation class: B
• mounting type: Base-mounted, Foot-mounted
• current type: Ac
• service factor: 1.15
• ac phase: Three Phase

payments oelemot:

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

offer oelemot:

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

general oelemot:

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

shipping oelemot:

• carrier: UPS
• cost: $45.43
• service: UPS Ground
• transit: 6-12 Days
• class: Standard
• type: Calculated

returns oelemot:

• policy: No Returns

seller oelemot:

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

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