MARATHON ELECTRIC 145TDR15523AA Induction Motor Dp Enclosure 3-PHASE 208-460V 3455 Rpm

( Brand: Marathon Electric ), ( Manufacturer Part Number: 145TDR15523AA ), ( Part Type: Hp Motor Enclosure ), ( Actual Rated Input Voltage: 208 V, 230 V, 460 V ), ( Full Load Amps: 14.1/13.7/6.5 ), ( Ac Frequency Rating: 60 Hz ), ( Enclosure Type: Dp ), ( Base Rpm: 3455 ), ( Ac Motor Type: Induction/asynchronous ), ( Mounting Type: Base-mounted ), ( Current Type: Ac ), ( Ip Rating: 22 ), ( Service Factor: 1.15 ), ( Ac Phase: Three Phase )

Review MARATHON ELECTRIC Hp 3-phase Induction Motor Dp Enclosure Rpm

The **Marathon Electric 145TDR15523AA** is a robust, high-performance **3-phase induction motor** engineered for demanding industrial applications where reliability, efficiency, and durability are paramount. Part of Marathon s trusted **TDR series**, this motor features a **DP (drip-proof) enclosure**, ensuring protection against accidental splashes and light debris while maintaining optimal airflow for consistent thermal management. With a **frame size of 145T**, it delivers a robust power output of **10 horsepower (HP)**, making it well-suited for heavy-duty machinery such as conveyors, pumps, compressors, and material handling systems. The motor operates seamlessly across a **voltage range of 208-460V**, accommodating a variety of electrical setups without requiring additional voltage adjustments, while its **3455 RPM synchronous speed** ensures precise speed control and efficient torque delivery for smooth operation.

Designed with **Marathon s proven NEMA Premium efficiency standards**, this motor minimizes energy consumption while maximizing performance, contributing to lower operational costs and reduced environmental impact. The **3-phase induction design** provides stable, consistent power output with minimal maintenance requirements, thanks to Marathon s reputation for long-lasting components and robust construction. The **DP enclosure** not only protects internal components from external contaminants but also allows for easy installation and maintenance, with standard mounting options that simplify integration into existing systems. Whether deployed in manufacturing plants, commercial facilities, or industrial processing environments, this motor offers a balance of **power, efficiency, and longevity**, ensuring dependable performance under continuous operation.

Built to withstand the rigors of industrial use, the **145TDR15523AA** incorporates high-quality materials and precision engineering, including **sealed bearings** and **corrosion-resistant coatings** where applicable, to extend service life and reduce downtime. Its **NEMA Premium certification** further underscores its adherence to strict energy efficiency guidelines, making it an ideal choice for facilities prioritizing both performance and sustainability. With a **full-load current rating** optimized for its power output, this motor operates efficiently without overheating, even under prolonged heavy loads. Whether powering a critical production line or supporting auxiliary systems, the **Marathon Electric 145TDR15523AA** delivers the reliability and performance industrial operators demand backed by Marathon s legacy of innovation and dependability in electric motor technology.

### **Pros and Cons of buying a Marathon Electric 145TDR15523AA 3-Phase Induction Motor (DP Enclosure, 208-460V, 3455 RPM)**

1. **High Reliability and Durability**

Marathon Electric is a well-established brand known for manufacturing robust, long-lasting motors. This model is designed for industrial applications, ensuring durability in demanding environments.

2. **Wide Voltage Range (208-460V)**

The motor operates across a broad voltage spectrum, making it versatile for different electrical systems without requiring significant modifications.

3. **High Efficiency (TDR Series)**

The TDR (Total Dynamic Rating) series is optimized for energy efficiency, reducing operational costs over time. This can be particularly beneficial for continuous-duty applications.

4. **Explosion-Proof (DP Enclosure)**

The DP (Dustproof and Drip-Proof) enclosure provides protection against solid contaminants and water ingress, making it suitable for harsh or outdoor industrial settings.

5. **Standardized Frame Size (145 Frame)**

The 145 frame is a common industrial motor size, meaning replacement parts, bearings, and accessories are widely available, reducing downtime and maintenance costs.

6. **High RPM (3455 RPM)**

The motor s speed is well-suited for applications requiring faster rotation, such as pumps, compressors, or conveyor systems.

7. **Three-Phase Design**

Three-phase motors are generally more powerful, efficient, and stable than single-phase alternatives, making them ideal for heavy-duty industrial use.

8. **OEM and Aftermarket Availability**

As a Marathon motor, it is likely to be available through both original equipment manufacturer (OEM) channels and aftermarket suppliers, ensuring availability for repairs or replacements.

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1. **Higher Upfront Cost**

Compared to standard or lower-end motors, this Marathon model may have a higher initial purchase price, which could be a barrier for smaller businesses or budget-conscious buyers.

2. **Potential Overkill for Light-Duty Applications**

If the motor is being used in a low-torque or intermittent-duty scenario, its robust design may be unnecessary, leading to wasted investment.

3. **Specialized Maintenance Requirements**

While durable, the DP enclosure and industrial-grade components may require more specialized maintenance knowledge compared to simpler motors.

4. **Weight and Space Considerations**

Industrial motors are typically heavier and bulkier than consumer-grade models. Installation may require additional structural support or space planning.

5. **Voltage Compatibility Limitations**

While the 208-460V range is flexible, it may not be compatible with systems operating outside this range without additional equipment (e.g., transformers or variable frequency drives).

6. **Potential for Over-Engineering**

If the application does not demand the motor s full capacity (e.g., a motor rated for 10 HP used in a 5 HP load), energy efficiency gains may be minimal, and the higher cost may not justify the purchase.

7. **Lead Time for Replacement Parts**

While parts are widely available, in some regions, lead times for specialized components (e.g., bearings, seals) may be longer than for more common motor models.

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The **Marathon Electric 145TDR15523AA** is an excellent choice for **industrial, commercial, or heavy-duty applications** where reliability, efficiency, and durability are critical. Its **explosion-proof enclosure, wide voltage compatibility, and high efficiency** make it ideal for environments with harsh conditions, such as manufacturing plants, water treatment facilities, or outdoor industrial setups.

However, for **light-duty, low-torque, or cost-sensitive applications**, a lower-cost motor (e.g., a standard NEMA or TEFC enclosure motor) may be more appropriate. The decision ultimately depends on **budget, application demands, and long-term operational needs**.

- You need a **long-lasting, high-efficiency motor** for **continuous or heavy-duty use**.

- Your application requires **protection against dust, water, or explosive hazards** (DP enclosure).

- You operate in a **voltage range of 208-460V** and need flexibility.

- You prioritize **reliability and minimal downtime** in an industrial setting.

- Your application is **light-duty or intermittent**, and a lower-cost motor suffices.

- You operate outside the **208-460V range** without voltage conversion options.

- Budget constraints make this motor **too expensive** for the intended use.

For most **industrial, commercial, or high-reliability applications**, this motor is a **strong, cost-effective choice** despite its higher upfront cost. Always verify **load requirements, voltage compatibility, and space constraints** before purchasing.

Details:

Marathon Electric 5 HP 3-Phase Induction Motor DP Enclosure 208-460V 3455 RPM.

part #: 145tdr15523aa prices

• $152.00-$558.14

specifications oelemot:

• brand: Marathon Electric
• mpn: 145tdr15523aa
• part type: Hp Motor Enclosure
• actual rated input voltage: 208 V, 230 V, 460 V
• full load amps: 14.1/13.7/6.5
• ac frequency rating: 60 Hz
• enclosure type: Dp
• base rpm: 3455
• ac motor type: Induction/asynchronous
• mounting type: Base-mounted
• current type: Ac
• ip rating: 22
• service factor: 1.15
• ac phase: Three Phase

general oelemot:

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

returns oelemot:

• policy: No Returns

seller oelemot:

• # reviews: 2
• rating: 0.0%
• city: Clifton, Colorado

offer oelemot:

• best offers: True
• sold: 0
• options: Ship-to-home
• availability: In Stock
• quantity: 1
• started: March 22, 2026

shipping oelemot:

• cost: $117.91
• class: Standard
• transit: 3-6 Days
• type: Calculated
• service: FedEx Ground / FedEx Home Delivery
• carrier: FedEx

payments oelemot:

• credit card: Discover
• wallet: Paypal
• other

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