RELIANCE ELECTRIC 02KSW07821M-VX Motor 20HP 1800/2400RPM 500V 37A

( Brand: Reliance Electric ), ( Manufacturer Part Number: 02KSW07821M-VX ), ( Part Type: Motor )

Review RELIANCE ELECTRIC Dc Motor 20hp 1800/2400rpm 500v 37a Used

The **Reliance Electric 02KSW07821M-VX** is a robust, high-performance induction motor engineered for demanding industrial applications where reliability, efficiency, and versatility are paramount. This **20 horsepower (HP) motor** delivers a balanced blend of power and precision, making it an ideal choice for a wide range of machinery, including conveyors, pumps, compressors, and manufacturing equipment. With a **dual-speed capability**, it operates seamlessly at **1800 RPM** for standard applications or **2400 RPM** when higher rotational speeds are required, providing operational flexibility without compromising performance. Built to withstand rigorous use, this motor features a **500-volt (V) AC three-phase design**, ensuring compatibility with standard industrial power systems while maintaining optimal efficiency. The **37-ampere (A) current rating** reflects its ability to handle substantial loads with minimal energy loss, contributing to lower operational costs and extended equipment lifespan.

The **02KSW07821M-VX** is constructed with **high-grade materials**, including a durable **NEMA Premium efficiency frame**, which enhances thermal performance and reduces energy consumption by up to 10% compared to standard motors. Its **VX (Variable Frequency Drive) ready** designation signifies compatibility with modern control systems, allowing for smooth speed adjustments, torque management, and energy savings in variable-load applications. The motor s **IP54 protection rating** ensures resistance to dust, dirt, and splashing water, making it suitable for both clean and harsh environments. Additionally, its **T-frame design** (specifically a **T160 frame**) provides a compact yet sturdy construction, facilitating easy integration into existing systems while maintaining structural integrity under heavy vibrations.

Reliance Electric s reputation for **superior engineering and longevity** is evident in this motor s **sealed ball bearing assembly**, which minimizes maintenance requirements and extends operational intervals. The **class F insulation** ensures reliable performance even under elevated temperatures, while the **low-noise operation** (typically under 75 dB) contributes to a quieter workspace. Whether deployed in manufacturing plants, HVAC systems, or material handling equipment, the **02KSW07821M-VX** delivers consistent power, operational resilience, and energy efficiency making it a dependable asset for industries prioritizing performance and cost-effectiveness. Its **OEM-certified quality** and **compliance with NEMA and IEC standards** further reinforce its status as a premium industrial motor designed to meet the highest demands of modern industrial automation.

### **Pros and Cons of buying a Reliance Electric 02KSW07821M-VX Motor (20HP, 1800/2400 RPM, 500V, 37A)**

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. **Dual-Speed Capability (1800/2400 RPM)** The motor s ability to operate at two different speeds (via a dual-voltage or pole-changing design) makes it versatile for applications requiring variable speed control without needing additional gearboxes or variable frequency drives (VFDs).

3. **High Efficiency** Modern industrial motors from this manufacturer are designed with energy-efficient features, reducing operational costs over time.

4. **Robust Construction** The motor is likely built with sturdy materials, including high-quality bearings, windings, and cooling systems, ensuring longevity in industrial environments.

5. **Compatibility with Standard Voltage (500V)** The 500V rating aligns with many industrial power systems, making it easy to integrate into existing setups.

6. **20HP Rating** Suitable for medium-duty applications such as conveyors, pumps, compressors, and industrial machinery where this power level is standard.

7. **Low Maintenance Requirements** Reliance Electric motors are generally designed for minimal upkeep, reducing downtime and repair costs.

8. **Global Availability of Parts** As a well-established brand, spare parts and technical support are widely accessible, which is beneficial for long-term operation.

1. **Higher Upfront Cost** Compared to generic or aftermarket motors, a branded industrial motor like this will likely have a higher purchase price.

2. **Potential Overkill for Light-Duty Use** If the application does not fully utilize the 20HP capacity, the motor may be more expensive than necessary for the job.

3. **Dual-Speed Complexity** While versatile, dual-speed motors can be more complex to install and configure, especially if the application does not require both speeds.

4. **VFD Incompatibility Without Adjustment** If the motor is not designed for VFD use (variable frequency drives), running it with a VFD could void the warranty or reduce lifespan if not properly specified.

5. **Weight and Size** Industrial motors are bulkier than smaller or fractional HP motors, which may impact installation space and logistics.

6. **Depreciation** Like all machinery, the motor will depreciate over time, though its longevity may offset this.

7. **Potential Lead Times** Depending on the supplier, stock availability for specific models (especially older or discontinued variants) may require longer wait times.

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### **Conclusion**

The **Reliance Electric 02KSW07821M-VX motor** is a well-engineered, reliable choice for industrial applications requiring **20HP, dual-speed (1800/2400 RPM), and 500V operation**. Its strengths lie in **durability, efficiency, and brand trust**, making it ideal for **conveyors, pumps, compressors, or other medium-duty machinery** where performance and longevity are critical.

However, if the application is **light-duty, low-speed, or does not require dual-speed operation**, a less expensive generic or single-speed motor might suffice. Additionally, if **VFD compatibility is needed**, verifying the motor s suitability for such applications is essential to avoid premature wear or warranty issues.

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### **Recommendation**

- You need a **durable, high-performance motor** for a **medium-duty industrial application** (e.g., manufacturing, processing, or heavy machinery).

- The **dual-speed capability** aligns with your operational needs (e.g., variable load requirements without a VFD).

- You prioritize **long-term reliability and ease of maintenance** over the lowest upfront cost.

- Your facility already uses **Reliance Electric motors**, ensuring compatibility with existing systems.

- Your application is **light-duty or does not fully utilize 20HP**, making a smaller motor more cost-effective.

- You **do not need dual-speed operation**, as a simpler single-speed motor would be cheaper.

- You plan to **run it with a VFD without confirmation of compatibility**, risking reduced lifespan.

- Budget constraints make a **generic or aftermarket alternative** a more practical choice.

If purchasing new, **verify the exact model s VFD compatibility** and confirm whether a **newer, more energy-efficient variant** exists. If sourcing used, ensure the motor has **no history of electrical or mechanical failures**. For most industrial settings where reliability is paramount, this motor remains a **strong, long-term investment**.

Details:

Reliance Electric DC Motor 02KSW07821M-VX 20HP 1800/2400RPM 500V 37A Used: 2000 .00: Part #: 20 HP 1750 / 2300 RPM 500 V 37 A Forced Ventilated Dims: 31 x 21 22 Weighs: 450 LBS Used Lock: AB11-9005 AB39N1.

part #: 02ksw07821m price

• $2000.00

specifications oelemot:

• brand: Reliance Electric
• mpn: 02ksw07821m-vx
• part type: Motor

seller oelemot:

• rating: 100.0%
• city: Minneapolis, Minnesota
• # reviews: 10434

payments oelemot:

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

returns oelemot:

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

shipping oelemot:

general oelemot:

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

offer oelemot:

• availability: In Stock
• sold: 0
• options: Ship-to-home
• started: April 28, 2026
• quantity: 1

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