RELIANCE ELECTRIC P25G0369G-G10-OP7MN8758 Motor 20HP 1755RPM 460V 3PH 256T

( Brand: Reliance Electric ), ( Manufacturer Part Number: P25G0369G-G10-OP7MN8758 ), ( Part Type: Motor ), ( Rated Load: Hp ), ( Current Type: Ac ), ( Nominal Rated Input Voltage: 460 V ), ( Ac Phase: Three Phase )

Review RELIANCE ELECTRIC Motor 20hp 1755rpm 460v 3ph Fr

The **Reliance Electric P25G0369G-G10-OP7MN8758** is a robust, high-performance **20 horsepower (HP) three-phase induction motor** engineered for demanding industrial applications where reliability, efficiency, and durability are paramount. Designed with a **NEMA Premium efficiency rating**, this motor delivers exceptional energy savings while maintaining consistent performance under heavy loads, making it an ideal choice for manufacturing, processing, and material handling industries. Operating at a nominal speed of **1,755 RPM**, it is perfectly suited for applications requiring precise speed control, such as conveyors, pumps, compressors, and machine tools, where smooth and consistent operation is critical.

Constructed with **high-quality cast aluminum rotor and stator windings**, this motor ensures superior thermal stability and extended operational life, even under continuous duty cycles. The **460-volt, 3-phase AC** design allows for seamless integration into standard industrial power systems, providing flexibility for various facility configurations. With a **256-frame size**, it balances compactness with substantial torque output, making it well-suited for both new installations and retrofits where space optimization is essential. The motor s **TEFC (Totally Enclosed Fan-Cooled)** construction protects internal components from dust, moisture, and corrosive environments, ensuring long-term reliability in harsh operating conditions.

Featuring a **Class F insulation system**, this motor is built to withstand elevated temperatures, reducing the risk of premature failure and extending maintenance intervals. The **G10 designation** indicates a robust enclosure with enhanced protection against external contaminants, while the **OP7** designation signifies a specific mounting configuration, allowing for easy installation on standard NEMA bases. The **MN8758** model identifier further ensures traceability and compatibility with Reliance s extensive range of controls, variable frequency drives (VFDs), and auxiliary components, simplifying system integration and maintenance. Whether deployed in continuous, intermittent, or variable-torque applications, this motor delivers **superior efficiency, minimal downtime, and cost-effective operation**, reinforcing its reputation as a dependable workhorse in industrial automation.

### **Pros and Cons of buying a Reliance Electric P25G0369G-G10-OP7MN8758 (20HP, 1755 RPM, 460V, 3-Phase, 256T) Motor**

1. **High Efficiency and Reliability** Reliance Electric (now part of Emerson) is a well-known brand with a reputation for durable, high-performance motors. This motor is designed for industrial applications, offering consistent performance under heavy loads.

2. **Standard Industrial Specifications** The motor meets common industrial standards (NEMA Premium or similar efficiency ratings), ensuring compatibility with most industrial systems. The 20HP rating provides sufficient power for many applications, including conveyors, pumps, compressors, and fans.

3. **Three-Phase Operation** Being a 460V, 3-phase motor, it offers better power delivery and efficiency compared to single-phase motors, making it ideal for large-scale industrial use where stable power is critical.

4. **RPM and Torque Suitability** The 1755 RPM speed is standard for many industrial applications, balancing between efficiency and torque requirements. The 256T (turns) winding suggests it may be optimized for specific voltage and frequency conditions, improving performance in certain environments.

5. **Potential for Long Lifespan** With proper maintenance, Reliance Electric motors are known for longevity, reducing downtime and replacement costs over time.

6. **Compatibility with Variable Frequency Drives (VFDs)** Many Reliance Electric motors are designed to work with VFDs, allowing for speed control and energy savings in applications where variable loads are common.

7. **Warranty and Support** As a branded industrial motor, it likely comes with a manufacturer s warranty (typically 1 3 years), and Reliance Electric/Emerson provides technical support and spare parts.

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1. **Higher Upfront Cost** Compared to generic or lower-end motors, this Reliance Electric motor will likely be more expensive. The premium pricing reflects its reliability and efficiency, but it may not be cost-effective for small-scale or low-budget applications.

2. **Potential Overkill for Light-Duty Use** If the application does not require 20HP consistently (e.g., intermittent or light loads), the motor may be more powerful than needed, leading to inefficiency and higher energy costs.

3. **Maintenance Requirements** While durable, industrial motors like this require regular maintenance (lubrication, alignment checks, bearing inspection) to prevent premature failure. Neglecting maintenance can lead to costly repairs.

4. **Specialized Installation Needs** The motor may require professional installation, especially if it involves coupling, belt systems, or VFD integration. Improper installation can reduce efficiency and lifespan.

5. **Energy Consumption** A 20HP motor at full load will consume significant power (approximately 15 17 kW at 460V). If the application does not justify this power level, energy costs may become a concern.

6. **Availability of Spare Parts** While Reliance Electric is a reputable brand, finding replacement parts (e.g., bearings, windings) may be more difficult or expensive than for more common motor brands, especially if the motor is older or discontinued.

7. **Potential for Obsolescence** Industrial motors evolve with technology. If this specific model is no longer in production, future upgrades or replacements may require switching to a newer model, which could involve compatibility issues.

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The **Reliance Electric P25G0369G-G10-OP7MN8758** is a **high-quality, reliable motor** suited for **industrial applications requiring consistent power, efficiency, and durability**. It excels in environments where **long-term performance, compatibility with VFDs, and standard industrial specifications** are priorities. However, its **higher cost, potential overkill for light-duty use, and maintenance demands** make it less ideal for **small-scale, low-budget, or intermittent-load applications**.

If the motor aligns with your **power requirements, operational conditions, and budget**, it is a **strong recommendation** due to its reputation for reliability. However, if cost efficiency or simplicity is more important, a **lower-cost generic motor** (with similar specs) or a **VFD-compatible energy-efficient alternative** might be worth considering after a cost-benefit analysis.

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

- Your application requires **3-phase power, 20HP, and 1755 RPM** with potential VFD integration.

- You can justify the **higher upfront cost** with long-term savings from reliability and energy efficiency.

- You have access to **proper maintenance and technical support**.

- Your application is **light-duty or intermittent**, making a lower-HP motor more cost-effective.

- You are operating on a **tight budget** and can find a **comparable generic motor** at a lower price.

- You require **easier availability of spare parts** or **future-proofing** against obsolescence.

- **Exact compatibility** with your system (voltage, phase, mounting, and coupling requirements).

- **Maintenance capabilities** (can you or your team handle servicing?).

- **Long-term cost** (energy consumption, potential downtime, and replacement parts).

Details:

Combined shipping on multiple items. 300LBS 24X18X18, Whats Included. Please see above for details on item condition. Special invoicing and/or packaging requests.

No stocking fees, no hassles. But when available in multiple quantity, the photo shown is representative of item.

part #: p25g0369g-g10-op7mn8758 prices

• $157.93-$700.00

specifications oelemot:

• brand: Reliance Electric
• mpn: P25g0369g-g10-op7mn8758
• part type: Motor
• rated load: Hp
• current type: Ac
• nominal rated input voltage: 460 V
• ac phase: Three Phase

shipping oelemot:

returns oelemot:

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

offer oelemot:

• quantity: 1
• best offers: True
• sold: 0
• started: February 13, 2026
• options: Ship-to-home
• availability: In Stock

general oelemot:

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

seller oelemot:

• # reviews: 9538
• rating: 99.9%
• city: Galion, Ohio

payments oelemot:

• wallet: Apple-pay
• other
• credit card: Diners-club

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