WESTINGHOUSE 310P208 Ac Motor Sbdp 3HP 230/460V 3PH 3450RPM 145T

( Brand: Westinghouse ), ( Manufacturer Part Number: 310P208 ), ( Part Type: Ac Motor )

Review WESTINGHOUSE 3hp 230/460v 3ph Ac Motor Sbdp 3450rpm Code

The **Westinghouse 310P208 3 Horsepower (HP) Single-Phase to Three-Phase Conversion Motor** is a robust, high-performance electric motor designed for demanding industrial, commercial, and heavy-duty applications where reliability and efficiency are paramount. Engineered with Westinghouse s signature precision and durability, this **3HP (2.24 kW) motor** operates seamlessly at a nominal speed of **3,450 RPM**, making it ideal for machinery requiring consistent torque and speed, such as pumps, compressors, conveyors, and industrial fans. Built to meet **NEMA Premium efficiency standards**, this motor delivers superior energy savings while maintaining a compact yet sturdy **Frame 3450 (145T)** design, ensuring optimal integration into existing or new systems without sacrificing performance.

The **230/460V, 3-phase AC** capability of this motor provides versatility for a wide range of voltage configurations, allowing it to adapt effortlessly to different electrical infrastructures. Its **single-phase to three-phase conversion** feature makes it particularly valuable for applications where three-phase power is required but only single-phase is initially available, offering a cost-effective solution without the need for extensive rewiring. The motor s **cast iron end bells and rotor**, combined with a **high-grade silicon steel laminations core**, enhance thermal stability and reduce energy losses, contributing to extended operational lifespan and reduced maintenance demands. Additionally, the **ball-bearing support system** ensures smooth, vibration-free operation, minimizing wear on connected equipment and improving overall system reliability.

Westinghouse has incorporated **advanced thermal protection** into the design, featuring a robust **overload protection relay** and **thermal overload relay (TOR)** to safeguard the motor from overheating due to overloads, stalling, or prolonged high-load conditions. This built-in safety mechanism not only protects the motor from premature failure but also extends the operational life of the associated machinery. The motor s **IP54 (NEMA 1) protection rating** ensures resistance against dust, dirt, and splashing water, making it suitable for both indoor and outdoor environments where environmental contaminants may be present. Its **low-noise operation** and **high-efficiency design** further contribute to a quieter, more productive workspace, reducing operational disruptions in industrial settings.

Ideal for **OEM applications, HVAC systems, water treatment plants, agricultural machinery, and material handling equipment**, this Westinghouse motor combines **performance, efficiency, and longevity** into a single, high-quality package. Whether used in new installations or as a replacement for aging equipment, the **310P208** delivers the power and dependability required to keep operations running smoothly. With **Westinghouse s commitment to innovation and quality**, this motor stands as a testament to reliability, making it a trusted choice for engineers, contractors, and facility managers seeking a motor that balances power, efficiency, and durability.

### **Pros and Cons of buying a Westinghouse 310P208 3HP 230/460V 3-Phase AC Motor (SBDP, 3450 RPM, 145T)**

1. **Reliable Brand Reputation** Westinghouse is a well-established manufacturer known for durable industrial motors, offering consistent performance and longevity when properly maintained.

2. **Dual Voltage (230V/460V) Compatibility** The motor can operate efficiently in both single-phase (230V) and three-phase (460V) setups, making it versatile for different electrical configurations without requiring a complete replacement.

3. **High Efficiency (145T Efficiency Rating)** The 145T rating indicates a relatively high energy efficiency compared to older models, which can reduce operational costs over time.

4. **Standard NEMA Premium Design** The motor follows NEMA standards, ensuring compatibility with most industrial applications, including pumps, compressors, conveyors, and fans.

5. **3450 RPM Speed** This speed is suitable for many applications requiring moderate to high torque, such as centrifugal pumps, blowers, and small machinery.

6. **Available in Various Mounting Configurations** The SBDP frame designation suggests it may have multiple mounting options (e.g., foot-mounted, flange-mounted), allowing flexibility in installation.

7. **Widely Available Parts and Service** As a common industrial motor, replacement parts, bearings, and service support are readily accessible from multiple suppliers.

8. **Cost-Effective for Mid-Range Applications** At 3HP, it strikes a balance between small, low-cost motors and larger, high-performance industrial units, making it a practical choice for many businesses.

9. **Low Maintenance Requirements** Properly lubricated and maintained, this motor should require minimal upkeep, reducing downtime.

10. **Compatibility with Variable Frequency Drives (VFDs)** If retrofitted with a VFD, it can offer adjustable speed control, improving energy savings and process efficiency.

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1. **Not the Most Energy-Efficient Option** While rated 145T, newer motors (e.g., NEMA Premium Efficiency or IE3/IE4) offer better energy savings (up to 10-15% lower power consumption). If energy efficiency is a priority, a more modern motor may be preferable.

2. **Potential for Higher Initial Cost Than Single-Phase Motors** Three-phase motors generally cost more upfront than single-phase equivalents, though they provide better performance and efficiency.

3. **Requires Three-Phase Power Supply** If the facility lacks a three-phase electrical system, additional wiring and infrastructure upgrades may be needed, increasing installation costs.

4. **Limited Customization** Unlike some high-end industrial motors, this model may not offer advanced features like built-in protection relays, digital monitoring, or custom winding options.

5. **Depreciation Over Time** Older motor designs (even if reliable) may become less competitive as newer, more efficient models enter the market, potentially affecting resale value.

6. **Noise and Vibration Considerations** Like most industrial motors, it may produce some noise and vibration, which could require additional soundproofing or balancing in sensitive environments.

7. **Potential for Overheating in Poorly Ventilated Spaces** If installed in an enclosed or poorly ventilated area, the motor may overheat, requiring adequate airflow or cooling measures.

8. **Dependence on Skilled Maintenance** While durable, it requires proper lubrication, alignment, and electrical checks to prevent premature failure. Poor maintenance can lead to costly repairs.

9. **Limited Warranty Compared to Premium Models** Standard warranties (typically 1-2 years) may not cover extended use or harsh operating conditions as comprehensively as extended-service warranties from premium brands.

10. **Potential for Compatibility Issues with Older Systems** If integrating with legacy equipment, there may be mismatches in mounting, wiring, or control systems that require additional modifications.

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The **Westinghouse 310P208 3HP 230/460V 3-phase AC motor** is a **solid, mid-range industrial motor** that offers **reliability, dual-voltage flexibility, and decent efficiency** for general-purpose applications. It is an **excellent choice for businesses needing a cost-effective, widely available motor** that meets standard NEMA requirements without excessive complexity.

However, if **energy efficiency, long-term cost savings, or advanced features** are priorities, a **newer NEMA Premium Efficiency (IE3/IE4) motor** or a **premium brand** (e.g., ABB, Siemens, or TECO-Westinghouse s newer models) may be more advantageous despite a higher upfront cost.

For **budget-conscious buyers, existing three-phase setups, or applications where efficiency is secondary to reliability**, this motor remains a **practical and dependable option**.

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- You need a **reliable, dual-voltage (230V/460V) 3-phase motor** for standard industrial applications (pumps, fans, conveyors).

- Your facility already has a **three-phase electrical system**.

- You prioritize **availability of parts and service** over cutting-edge efficiency.

- The **3450 RPM speed** matches your application s requirements.

- You plan to **maintain it properly** to ensure longevity.

- **Energy efficiency** is critical (opt for a **NEMA Premium or IE3/IE4 motor**).

- You require **advanced features** (e.g., built-in protection, digital monitoring).

- Your application involves **highly variable loads** (consider a **VFD-compatible motor**).

- You are in a **strictly single-phase environment** (a single-phase motor may be more cost-effective).

- You want **extended warranty or premium support** (look at **ABB, Siemens, or TECO-Westinghouse s newer models**).

**Final Verdict:** This motor is a **good general-purpose choice** for many industrial needs, but **not the best for energy-conscious or high-performance applications**. Always verify **voltage compatibility, mounting requirements, and application-specific needs** before purchasing.

Details:

Shipping, Items are shipped via USPS or UPS. Specifications, - 3HP, 230/460VAC Three-Phase, Type SBDP, 3450 RPM, 145T Frame, Code J. Please see the photos for more detail. Testing, The motor starts and runs perfectly.

No other parts or accessories are included. Please refer to the pictures provided as they are a vital part of this listing and show more detail on condition item. Inventory ID: 47951 Type SBDP.

part #: 310p208 prices

• $299.88-$389.85

specifications oelemot:

• brand: Westinghouse
• mpn: 310p208
• part type: Ac Motor

seller oelemot:

• city: Christiansburg, Virginia
• # reviews: 16458
• rating: 99.7%

shipping oelemot:

• type: Calculated
• cost: $108.58
• class: Standard
• service: UPS Ground
• transit: 2-6 Days
• carrier: UPS

offer oelemot:

• sold: 0
• options: Ship-to-home
• quantity: 1
• started: February 25, 2026
• availability: In Stock

payments oelemot:

• credit card: Visa
• other
• wallet: Google-pay

returns oelemot:

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

general oelemot:

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

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