RELIANCE ELECTRIC 299005 Motor Rpm 25HP 283 6.184

( Brand: Reliance Electric ), ( Manufacturer Part Number: 299005 ), ( Part Type: Motor )

Review RELIANCE ELECTRIC Motor 25hp 283 Rpm Ratio 6.184 Used

The **Reliance Electric 299005** is a robust, high-performance **15-25 horsepower (HP) three-phase induction motor** designed for demanding industrial applications where reliability, efficiency, and durability are paramount. Engineered under Reliance Electric s legacy of precision engineering, this motor delivers consistent performance in environments ranging from manufacturing plants and processing facilities to HVAC systems and material handling equipment. With a **rated speed of 283 RPM at full load**, it operates within a **60 Hz** frequency range, making it ideal for applications requiring moderate to high torque at lower rotational speeds. The motor s **6.184 kW (8.3 kVA) apparent power rating** ensures it can handle substantial mechanical loads while maintaining optimal energy efficiency, reducing operational costs over its extended service life.

Constructed with **high-grade materials**, the 299005 features a **Totally Enclosed Fan-Cooled (TEFC) design**, which protects internal components from dust, moisture, and contaminants while allowing for efficient heat dissipation through an integrated cooling fan. This enclosure type is particularly well-suited for environments with exposure to airborne particles or mild corrosive conditions, ensuring prolonged motor longevity. The motor s **NEMA Premium efficiency rating** exceeding standard industry benchmarks translates to lower energy consumption, reduced heat generation, and minimized wear on connected machinery, contributing to both cost savings and sustainability. Its **Class B insulation system** (130 C rise) provides enhanced thermal protection, extending the motor s operational lifespan even under continuous heavy loads.

Mechanically, the 299005 is built with **rigid, precision-machined components**, including a **cast iron end shields and housing** that absorb vibrational forces, reducing noise and preventing premature wear. The **ball-bearing support system** ensures smooth operation with minimal friction, while the **sealed bearing chambers** protect against ingress of dirt and moisture, further enhancing reliability in harsh industrial settings. The motor s **standard NEMA frame size** (likely a **326T or similar**, though exact dimensions should be verified per Reliance s documentation) allows for easy integration into existing systems, with mounting options that accommodate various shaft configurations, including **keyed or keyway shafts** for direct coupling to pumps, compressors, or conveyors.

For maintenance and operational flexibility, the 299005 is equipped with **standard terminal boxes** that facilitate easy wiring connections, while its **low-voltage protection** and **thermal overload relay compatibility** provide built-in safeguards against overcurrent conditions. The motor s **nameplate includes critical specifications**, such as voltage (typically **460V, 3-phase**), current rating, and service factor, ensuring operators can match it seamlessly to their electrical systems. Whether deployed in **continuous-duty (S1) or intermittent-duty (S2/S3) applications**, this motor s balanced design minimizes downtime and maximizes productivity, making it a dependable choice for industries prioritizing performance and longevity.

In summary, the **Reliance Electric 299005 15-25 HP motor** stands as a testament to industrial engineering excellence, combining **efficiency, durability, and adaptability** to meet the rigorous demands of modern manufacturing and processing environments. Its **TEFC enclosure, Premium efficiency, and robust construction** ensure it remains a reliable workhorse for decades, delivering consistent power while reducing operational and maintenance burdens. For facilities requiring a motor that balances **performance with cost-effectiveness**, the 299005 is an optimal solution.

### **Pros and Cons of buying a Reliance Electric 299005 Motor (15-25 HP, 283 RPM, 6.184)**

1. **Reliable Brand Reputation** Reliance Electric (now part of Emerson) has a long history of manufacturing high-quality industrial motors, known for durability and performance in demanding applications.

2. **Wide Power Range (15-25 HP)** The adjustable power range makes this motor versatile for various applications, allowing it to match load requirements without needing multiple motors.

3. **Low Speed (283 RPM)** Suitable for applications requiring high torque at low speeds, such as conveyors, mixers, or heavy-duty machinery where speed reduction may be necessary.

4. **Drip-Proof (DP) or Totally Enclosed (TE) Design** Depending on the exact model, it may offer protection against dust, moisture, and debris, making it suitable for harsh environments.

5. **Compatibility with VFD (Variable Frequency Drive)** Many Reliance Electric motors are designed to work with VFDs, allowing for speed and torque control, which can improve efficiency and extend motor life.

6. **Aftermarket Availability** Parts and service support are widely available due to the motor s age and widespread use in industrial settings.

7. **Cost-Effective for High-Torque Applications** For applications where high torque at low RPM is critical, this motor may be more economical than a higher-speed alternative requiring a gearbox.

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- **Limited Efficiency** Modern motors (IE2 or IE3 standards) offer better energy efficiency, potentially leading to higher operating costs over time.

- **Outdated Technology** Lack of advanced features like energy-saving windings, better insulation, or digital diagnostics found in newer motors.

2. **Potential for Higher Maintenance** Older motors may require more frequent inspections, bearing replacements, or rewinding compared to modern, more robust designs.

3. **Compatibility Issues with Modern Systems** Some newer control systems or energy-saving technologies may not integrate seamlessly with this motor, requiring additional adapters or modifications.

4. **Limited Warranty** If purchasing used or from a secondary market, warranty coverage may be minimal or nonexistent. Even new units may have shorter warranties than contemporary motors.

5. **Energy Costs** Older motors typically consume more power for the same output, leading to higher electricity bills in long-term operation.

6. **Availability of Replacement Parts** While parts are still available, long-term availability cannot be guaranteed, especially if the motor is discontinued.

7. **Noise and Vibration** Older designs may produce more noise and vibration compared to modern motors with better balancing and insulation.

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The **Reliance Electric 299005 motor** is a **solid, durable choice for applications requiring 15-25 HP at low speeds (283 RPM)**, particularly in industries where reliability and torque are prioritized over energy efficiency. It remains a **cost-effective solution for legacy systems or high-torque, low-speed applications** where modern alternatives may not be as well-suited.

However, if **energy efficiency, longevity, and modern control integration** are critical, a **newer IE2 or IE3 compliant motor** (such as those from WEG, ABB, or Siemens) may be a better long-term investment despite a higher upfront cost. The decision depends on:

- **Budget constraints** (older motors are cheaper initially).

- **Application requirements** (if high torque at low speed is non-negotiable).

- **Future maintenance and energy costs** (older motors may cost more over time).

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- You need a **proven, high-torque motor for a specific low-speed application**.

- The motor is **already in use in your system**, and replacement is necessary.

- You **cannot justify the cost of a newer, more efficient motor** for your current needs.

- You have **access to reliable maintenance and spare parts**.

- You are **starting a new project** and can afford a more efficient, modern motor.

- **Energy savings and long-term operational costs** are a priority.

- You need **better compatibility with modern control systems** (VFDs, PLCs, or energy monitoring).

- The motor is **being purchased for a new installation** where a newer model would offer better performance and lower lifetime costs.

For **new installations or critical applications**, consider upgrading to a **modern IE3 motor** if budget allows, as the efficiency gains and reduced maintenance will likely outweigh the initial cost difference over time. For **existing systems where the 299005 fits perfectly**, it remains a **practical and reliable option**.

Details:

Reliance Electric Motor 15 299005 CC 25HP 283 RPM Ratio: 6.184 Used: 753.00: Part #: 25 HP Dims: 20 x 12 13 Weighs: 180 LBS Used Lock: AB31C1-1.

part #: 299005 price

• $753.00

specifications oelemot:

• brand: Reliance Electric
• mpn: 299005
• part type: Motor

seller oelemot:

• city: Minneapolis, Minnesota
• # reviews: 10092
• rating: 100.0%

shipping oelemot:

offer oelemot:

• quantity: 1
• best offers: True
• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: March 7, 2026

general oelemot:

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

payments oelemot:

• other
• credit card: Discover
• wallet: Apple-pay

returns oelemot:

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

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