ROCKWELL 96-421 Delta Electric Motor Rpm 34-350 3450/2850 3PH 213 220/440

( Brand: Rockwell ), ( Manufacturer Part Number: 96-421 ), ( Part Type: Hp Motor ), ( Current Type: Ac ), ( Iec Frame Size: 213 ), ( Ac Frequency Rating: 60 Hz ), ( Base Rpm: 3450 ), ( Shaft Type: Keyed ), ( Ac Phase: Three Phase )

Review ROCKWELL Delta Electric Motor Hp 3450/2850 Rpm 3ph 213 220/440

The **Rockwell Automation 96-421 Delta 34-350** is a robust, high-performance electric motor engineered for demanding industrial applications where reliability, efficiency, and precision are paramount. Part of Rockwell s trusted Delta series, this **3-phase, 34.5 horsepower (hp) motor** delivers consistent power output at **3450 RPM (4-pole) or 2850 RPM (6-pole)**, making it an ideal choice for conveyor systems, pumps, compressors, and other heavy-duty machinery where torque and speed consistency are critical. Built with Rockwell s signature durability, this motor features a **NEMA Premium efficiency rating**, ensuring optimal energy savings while maintaining peak performance reducing operational costs and environmental impact over its long service life.

The **Delta 34-350** is designed with a **TEFC (Totally Enclosed Fan-Cooled) construction**, providing superior protection against dust, moisture, and corrosive contaminants, which is essential for harsh industrial environments. Its **Class F insulation** and **115 C temperature rise** rating enhance thermal resilience, allowing for extended operational cycles without compromising performance. The motor s **415/440V (213/220V) voltage compatibility** ensures flexibility in integration with existing electrical systems, accommodating a wide range of industrial setups while adhering to global electrical standards. Whether deployed in manufacturing plants, material handling facilities, or process control systems, this motor s **seamless compatibility with Rockwell s ControlLogix, CompactLogix, and PowerFlex drives** simplifies automation and control, enabling precise speed and torque adjustments for optimized productivity.

Beyond its technical specifications, the **96-421 Delta 34-350** embodies Rockwell Automation s commitment to **long-term reliability and low-maintenance operation**. Its **bearing design** and **sealed rotor construction** minimize wear and tear, reducing downtime and extending equipment lifespan. The motor s **NEMA Premium certification** not only meets strict energy efficiency standards but also aligns with sustainability initiatives, making it a cost-effective choice for environmentally conscious industries. With **Rockwell s industry-leading support and compatibility with advanced control solutions**, this motor seamlessly integrates into modern automation frameworks, offering operators the tools to monitor performance, diagnose issues, and maintain efficiency with ease. Whether powering a high-speed production line or a critical process application, the **Delta 34-350** delivers the **power, precision, and endurance** required to drive industrial operations forward with confidence.

### **Pros and Cons of buying a Rockwell Automation 96-421 Delta 34-350 Electric Motor (34.5 HP, 3450/2850 RPM, 3-Phase, 213/220/440V)**

#### **Pros**

1. **High Reliability and Durability**

- Rockwell Automation is a well-established brand known for industrial-grade components with robust construction. This motor is designed for continuous operation in demanding environments, reducing the likelihood of premature failure.

- The NEMA Premium efficiency rating ensures long-term performance with lower energy consumption compared to standard motors.

2. **Energy Efficiency**

- The motor meets **NEMA Premium** efficiency standards, meaning it consumes less power while maintaining high performance. This can lead to significant cost savings on electricity over time, especially in applications running 24/7.

- Lower operating costs contribute to better return on investment (ROI) in the long run.

3. **Wide Voltage Compatibility**

- The motor operates at **213V, 220V, or 440V**, making it versatile for different electrical systems without requiring major modifications. This flexibility is useful in facilities with varying voltage standards.

4. **High Performance at Multiple Speeds**

- The dual-speed capability (3450 RPM at 213/220V and 2850 RPM at 440V) allows for optimized operation in applications where speed adjustment is beneficial, such as conveyors, pumps, or compressors.

- **Conveyor systems**

- **Pumps and compressors**

- **Fans and blowers**

- **Packaging machinery**

- **Light-duty material handling**

5. **Compatibility with Rockwell Automation Systems**

- If your facility already uses Rockwell PLCs, drives, or control systems, this motor integrates seamlessly with their ecosystem. This reduces compatibility issues and simplifies maintenance.

- Rockwell provides extensive documentation, technical support, and spare parts, ensuring easier troubleshooting and repairs.

6. **Low Maintenance Requirements**

- The motor is designed for **TENV (Totally Enclosed Non-Ventilated)** or **TEFC (Totally Enclosed Fan-Cooled)** applications, protecting internal components from dust, moisture, and contaminants. This reduces wear and extends service life.

- High-quality bearings and insulation contribute to longer intervals between maintenance checks.

7. **Noise and Vibration Control**

- Rockwell motors are engineered to minimize operational noise and vibration, which is beneficial in environments where quiet operation is preferred (e.g., food processing, cleanrooms, or office-adjacent facilities).

8. **Warranty and Support**

- Rockwell Automation typically offers **standard warranties (1-2 years)** and extended service options. Their global support network ensures quick access to replacements or repairs if needed.

- Many distributors and industrial suppliers stock this motor, reducing lead times for replacements.

9. **Future-Proofing**

- The motor s design aligns with modern industrial standards, making it suitable for upgrades or retrofits in older systems. Its compatibility with variable frequency drives (VFDs) allows for energy savings and process optimization.

10. **Cost-Effective for Medium-Duty Applications**

- While not the cheapest motor on the market, its efficiency, reliability, and longevity make it a cost-effective choice for applications where downtime is costly. The upfront cost is often justified by reduced energy bills and fewer repairs.

---

#### **Cons**

1. **Higher Upfront Cost Compared to Standard Motors**

- As a **NEMA Premium** motor, it is more expensive than basic efficiency motors (e.g., NEMA II). The premium pricing may be a barrier for budget-conscious buyers, especially in small businesses or non-critical applications.

- The cost may also be higher than equivalent motors from lesser-known brands, though this is offset by long-term savings.

2. **Limited Customization Options**

- Rockwell motors are designed for standard industrial applications. If your specific use case requires **custom shaft lengths, special mounting configurations, or non-standard enclosures**, you may need to source additional components or workarounds.

- The motor s frame size (likely **184T or 213T**) may not fit all applications without modifications.

3. **Dependence on Rockwell Ecosystem**

- While beneficial for existing Rockwell systems, this motor may not integrate as smoothly with non-Rockwell controls, drives, or software. Compatibility issues could arise if you re mixing brands.

- Some advanced features (e.g., built-in diagnostics) may require additional Rockwell hardware or software licenses.

4. **Potential Lead Times**

- Like many industrial components, Rockwell motors may experience **supply chain delays**, especially during high-demand periods. Buyers should order in advance to avoid production downtime.

- Some distributors may carry stock, but large or specialized orders may require longer fulfillment times.

5. **Overkill for Light-Duty Applications**

- If your application only requires **20-30 HP** and runs intermittently, a **34.5 HP motor** may be more powerful than needed. Oversizing can lead to:

- Higher initial cost

- Reduced efficiency due to running below optimal load

- Potential for excessive wear if the motor is frequently cycled on/off

6. **Weight and Space Considerations**

- Industrial motors are heavy (this one likely weighs ** 200-300 lbs**), requiring proper lifting equipment and structural support. Installation may require additional labor or machinery.

- The motor s size may not fit in tight spaces, necessitating custom mounting solutions.

7. **Potential for Overuse in High-Speed Applications**

- While the motor handles **3450/2850 RPM** well, applications requiring **continuous high-speed operation** (e.g., some centrifugal compressors) may experience:

- Increased bearing wear

- Higher heat generation (requiring additional cooling)

- Reduced lifespan if not properly maintained

8. **Limited Availability of Aftermarket Parts**

- While Rockwell is reliable, finding **third-party or aftermarket parts** (e.g., seals, bearings, windings) may be more difficult compared to more common motor brands. This could increase repair costs if the motor fails.

9. **Energy Savings May Not Justify Cost in Short-Term Projects**

- If the motor will only be used for a **short-term project or low-hour application**, the energy savings may not outweigh the higher purchase price. In such cases, a standard motor might be more economical.

10. **Potential for Misapplication**

- **Premature failure** due to excessive strain

- **Reduced efficiency** if running at low loads

- **Compatibility issues** with existing drives or starters

- Always verify **full-load torque, locked rotor current, and service factor** against your application s requirements.

---

### **Conclusion**

The **Rockwell Automation 96-421 Delta 34-350 (34.5 HP, 3-Phase, 213/220/440V)** is a **high-quality, efficient, and reliable motor** well-suited for **medium-duty industrial applications** where energy savings, longevity, and compatibility with Rockwell systems are priorities. Its **NEMA Premium efficiency, dual-speed capability, and robust construction** make it an excellent choice for:

- **Continuous operation** (e.g., 24/7 manufacturing)

- **Applications requiring precise speed control** (e.g., conveyors, pumps)

- **Facilities already using Rockwell Automation controls**

- **Long-term cost savings** through reduced energy consumption and maintenance

- **Budget-sensitive buyers** who prioritize cost over efficiency

- **Short-term or low-hour applications**

- **Applications requiring non-standard modifications**

- **Facilities with non-Rockwell control systems** (unless integration is seamless)

---

### **Recommendation**

You need a **reliable, energy-efficient motor** for **medium to heavy-duty industrial use**.

Your facility **already uses Rockwell Automation** (PLCs, drives, or controls), ensuring seamless integration.

The application **runs continuously or for extended hours**, justifying the efficiency savings.

You prioritize **long-term cost savings** over initial purchase price.

The motor s **34.5 HP and dual-speed options** align with your load requirements.

Your budget is **extremely tight**, and a standard motor would suffice.

The application is **light-duty or intermittent**, making a smaller motor more cost-effective.

You require **custom modifications** not supported by Rockwell s standard offerings.

Your control system is **non-Rockwell**, and compatibility is a concern.

You need **immediate delivery**, as lead times may be an issue.

- **Standard NEMA II Motor:** Cheaper upfront but less efficient (e.g., **

Details:

This is in excellent shape and works perfectly with a 1-1/8 keyed shaft was original to Delta model 12 /14 34-350 industrial table saw. This is a heavy motor weighing about 110 pounds. The specs are shown in the last picture. Buyer would have to make all arrangements for shipping and pay that on their end.

The shipping weight would be 150 pounds and it on a 32 x 24 pallet the height . Rockwell 96-421 three phase dual voltage 220/440V 5 HP motor, 3450/2850 RPM, 213 frame.

part #: 96421 prices

• $40.00-$145.00

specifications oelemot:

• brand: Rockwell
• mpn: 96-421
• part type: Hp Motor
• current type: Ac
• iec frame size: 213
• ac frequency rating: 60 Hz
• base rpm: 3450
• shaft type: Keyed
• ac phase: Three Phase

seller oelemot:

• # reviews: 6851
• city: Huron, Ohio
• rating: 99.9%

offer oelemot:

• options: Seller-arranged-local-pickup
• best offers: True
• availability: In Stock
• sold: 0
• started: April 17, 2026
• quantity: 1

general oelemot:

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

payments oelemot:

• credit card: Discover
• other
• wallet: Paypal

shipping oelemot:

returns oelemot:

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

Rockwell 96-421 Is Similar To:

• 438-02-314-0686 Rockwell Electric Motor (39.3% similar) Works perfect, sounds great, just as shown in photos...(August 15th, 2018)
• 56 Dbsc Reliance Rockwell Dodge Brake Motor Coupling (32.3% similar) Warranty this item is guaranteed to be as described. Comes in non-original packaging. It was not tested under a load. Notes: when power was applied, this item ran very smoothly. On the ask a question link at bottom of this listing. Home contact about technology industrial lab test electrical ...(October 28th, 2018)
• 60-050 Rockwell Standard Duty Single Phase Motor Rpm (38.5% similar) The wire had some cracks and rips in it so I taped them up to keep safe. I respond very quickly. It works great, on and off switch as should. This motor was originally manufactured for a sander grinder pulley machine. If there is anything else you would like to know about the motor, please feel free...(July 29th, 2018)
• 62-012 Rockwell Electric Motor Hp Ph Rpm Shaft Model (52.3% similar) ...(March 17th, 2018)
• 62-042 Rockwell-delta Vintage 1-1-2 Hp (34.5% similar) Will work with all brands and model's that require this size motor. It has original paint. Delivery confirmation is included in the domestic shipping charges. This is a heavy duty TEFL totally enclosed fan cooled motor hp 3450 RPM5 8 keyed SHAFT115 230 volt currently wired for Rockwell delta 1 ...(July 3rd, 2017)
• 62-140 Vintage Rockwell Delta Hp Rpm Electric Motor Band Saw Lathe (47.2% similar) Motor is clean, quiet, and in excellent condition. Will work with all brands and model's of tools that require this spec motor. 1/2 hp 1725 RPM5 8 keyed SHAFT115 VOLT9. Rockwell delta 1/2 hp electric motor. Includes a power cord and on off toggle switch. Delivery confirmation is included in the ...(May 30th, 2018)
• 66-000 Rockwell Model Electric Motor (45.6% similar) Up for bid is a Rockwell model electric MOTOR1 2 HP208 volts amps. Type 75 frame will only ship to lower 48 states of the USA...(November 7th, 2018)
• P14x4815 Rockwell Automation Tefc Washdown Motor New (32.3% similar) Reliance electric P14X4815 2HP, 3PH, 460V, TEFL, FC14STC, wash down motor WYSIWYG we never warranty calibration...(September 13th, 2018)
• Qtg-3104-a 94a1696-1 Inland Motor Rockwell (13.3% similar) This part is costly and may be unavailable but the repair appears to pretty minor straight forward see pictures for actual condition. The box is original but in poor condition. One of the brushes is missing carbon, they are soldered on and should be a fairly quick inexpensive repair...(December 15th, 2017)
• Mpl-b330p-mk72aa Rockwell Automation Allen-bradley New-in-box Allen Bradley A Brushless Servo Motor 460v 5000rpm (30.5% similar) New in opened box. Shrink wrap still on the motor to the cardboard plank inside. Same day shipping on orders placed before 2PM CST. You're buying on an Allen Bradley MP B330P MK72AA sear a brush less servo motor...(August 12th, 2016)
• Mpl-b430p-mj72aa Rockwell Automation Allen-bradley New Allen Bradley Parts Lot Servo Motor And Powerflex 525 (29% similar) Servo is new in box and power drive is new in sealed plastic without box. You get exactly whats in pictures thanks...(October 24th, 2016)