PACIFIC SCIENTIFIC SRF5348-4485-84-5-45BC-CU Motor Rpm 1.5 1750

( Brand: Pacific Scientific ), ( Manufacturer Part Number: SRF5348-4485-84-5-45BC-CU ), ( Part Type: Hp Motor ), ( Current Type: Dc ), ( Rated Load: Hp )

Review PACIFIC SCIENTIFIC Motor 1.5 Hp Rpm

The **Pacific Scientific SRF5348-4485-84-5-45BC-CU** is a high-performance, industrial-grade electric motor engineered for reliability, efficiency, and versatility in demanding applications. Part of Pacific Scientific s robust **SERIES 5000** line, this **1.5 horsepower (HP), 1750 RPM** motor is designed to deliver consistent power output while maintaining operational precision in a variety of mechanical systems. Built with a **squirrel-cage induction design**, this motor ensures smooth, low-maintenance performance, making it ideal for conveyor systems, pumps, compressors, and other heavy-duty machinery where steady torque and endurance are critical.

The motor features a **Class B insulation rating**, providing enhanced thermal protection and extended operational lifespan under continuous or intermittent loads. Its **NEMA Premium efficiency standard** ensures optimal energy consumption, reducing operational costs while minimizing environmental impact. The **45BC frame size** (143T) offers a compact yet sturdy construction, balancing space efficiency with structural integrity, making it suitable for both retrofit installations and new system integrations. The **4-pole winding configuration** delivers the specified 1750 RPM speed, striking a balance between torque and speed for applications requiring moderate to high rotational output.

Constructed with **high-quality cast iron end shields and a rugged steel housing**, this motor is built to withstand harsh operating conditions, including exposure to dust, moisture, and temperature fluctuations. The **drip-proof (Drip-Resistant, IP23-rated) design** ensures reliable performance in environments where protection against falling debris or light splashes is necessary. Additionally, the **bearing system** incorporates sealed ball bearings for reduced friction and extended bearing life, further contributing to the motor s durability.

For enhanced safety and operational flexibility, the **SRF5348-4485-84-5-45BC-CU** is equipped with a **standard NEMA 4/4X mounting configuration**, allowing for easy integration into existing or custom-built systems. The motor s **460V AC, 3-phase, 60Hz** power rating ensures compatibility with most industrial power grids, while its **Class F winding** provides additional thermal resilience for prolonged use. Whether deployed in manufacturing plants, material handling systems, or HVAC applications, this motor exemplifies Pacific Scientific s commitment to delivering a product that combines **performance, longevity, and ease of maintenance** making it a dependable choice for engineers and operators seeking a high-performance electric drive solution.

### **Pros and Cons of buying a Pacific Scientific SRF5348-4485-84-5-45BC-CU Motor (1.5 HP, 1750 RPM)**

#### **Pros**

1. **Reliable Brand Reputation** Pacific Scientific (now part of Emerson) is a well-established manufacturer known for durable industrial motors, particularly in conveyor and material handling applications. Their motors are often used in demanding environments, suggesting robust construction and reliability.

2. **High Power-to-Size Ratio** The 1.5 HP rating provides sufficient power for many light to medium-duty applications, such as small conveyors, packaging machinery, or industrial fans. The 1750 RPM speed is standard for many industrial setups, making it versatile for belt-driven systems.

3. **NEMA Premium Efficiency** If this motor meets NEMA Premium efficiency standards (common for Pacific Scientific models), it will consume less energy than standard motors, leading to lower operating costs over time. This can be a significant advantage in facilities with high energy costs.

4. **Compatibility with Standard Systems** The motor s dimensions (as inferred from the model number) likely align with common NEMA frame sizes (e.g., NEMA 56 or similar), making it easy to integrate with existing or new conveyor systems, pumps, or other machinery.

5. **Potential for Long Lifespan** High-quality industrial motors, especially those designed for continuous duty (if applicable), can last decades with proper maintenance. Pacific Scientific motors are often built to withstand vibration, dust, and temperature fluctuations.

6. **Warranty and Support** Many Pacific Scientific motors come with manufacturer warranties (typically 1 2 years), and the brand offers technical support and replacement parts, which can be valuable for troubleshooting or repairs.

7. **Cost-Effective for Medium-Duty Use** For applications where a 1.5 HP motor is sufficient, this unit may offer a better balance of performance and price compared to oversized motors, reducing both initial and operational costs.

8. **Customization Options** Pacific Scientific often provides customization for voltage, mounting configurations, or additional protections (e.g., thermal overload), which could be useful if your application has specific requirements.

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#### **Cons**

1. **Potential High Upfront Cost** Industrial motors, especially from reputable brands, can be more expensive than generic or off-brand alternatives. If budget is a constraint, this may be a drawback compared to cheaper options with shorter lifespans.

2. **Limited Availability of New Units** Pacific Scientific motors may not be as widely stocked as more common brands (e.g., TEFC motors from other manufacturers). Purchasing may require ordering from a distributor, which could extend lead times.

3. **Maintenance Requirements** Like all motors, this unit will require periodic maintenance (e.g., lubrication, bearing checks, cooling system upkeep). Neglecting maintenance can lead to premature failure, especially in dusty or dirty environments.

4. **Overkill for Light-Duty Applications** If your application only requires a fraction of the motor s 1.5 HP capacity (e.g., a small fan or low-load conveyor), the motor may run inefficiently, generating unnecessary heat and wear.

5. **Compatibility Issues** While likely NEMA-standard, double-checking the exact frame size (e.g., NEMA 56C) and mounting dimensions is critical. Mismatches can lead to installation problems or reduced performance.

6. **Energy Costs (If Not Premium-Efficient)** If this motor does not meet NEMA Premium efficiency standards, it may consume more electricity than a newer, high-efficiency model, increasing operational expenses over time.

7. **Resale Value** Industrial motors, especially older models, may have limited resale value. If you anticipate upgrading equipment soon, this could be a consideration.

8. **Dependence on Distributors** If purchasing from a third-party seller, ensure they are authorized to sell Pacific Scientific products to avoid counterfeit or refurbished units with unknown histories.

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### **Conclusion**

The **Pacific Scientific SRF5348-4485-84-5-45BC-CU motor (1.5 HP, 1750 RPM)** is a solid choice for **medium-duty industrial applications** where reliability, efficiency, and durability are priorities. Its reputation for longevity and compatibility with standard systems makes it a strong option for conveyors, packaging machinery, or similar uses. However, it may not be the best fit for **light-duty or high-efficiency-focused** applications, where a smaller or more modern motor could suffice.

If your application demands **consistent performance in a demanding environment** and you can justify the initial cost, this motor is a **recommended purchase**. For **budget-sensitive or low-load applications**, alternatives like a slightly smaller motor or a high-efficiency generic model might be more cost-effective.

### **Recommendation**

- You need a **durable, medium-duty motor** for conveyor systems, packaging, or similar uses.

- Energy efficiency is important, and the motor meets NEMA Premium standards.

- You value **brand reliability** and long-term performance over short-term savings.

- Your application requires **standard NEMA compatibility** with minimal customization.

- Your application is **light-duty** (e.g., small fans, low-load conveyors), where a 1 HP or fractional HP motor would suffice.

- You prioritize **lower upfront cost** and can find a high-quality generic motor with similar specs.

- You need **faster lead times** and can source from a more widely available brand.

- Your facility has **strict energy-saving mandates**, and a newer, ultra-efficient motor would be more cost-effective long-term.

**Final Verdict:** For most **medium-duty industrial applications**, this Pacific Scientific motor is a **strong, reliable choice** worth the investment. Always verify the exact frame size, voltage requirements, and application load before purchasing to ensure optimal performance.

Details:

INDEMNIFICATION: Used Machines may not incorporate approved activating mechanisms, operator safety devices or guards as required by OSHA otherwise. A used Pacific Scientific SRF5348-4485-84-5-45BC-CU Motor, 1.5 HP, 1750 RPM. Including the Occupational Safety and Health Act of 1970. You are buying on pre-owned items.

I try to describe items accurately but opinion on colors, condition etc.

part #: srf5348-4485-84-5-45bc-cu prices

• $249.99-$300.00

specifications oelemot:

• brand: Pacific Scientific
• mpn: Srf5348-4485-84-5-45bc-cu
• part type: Hp Motor
• current type: Dc
• rated load: Hp

offer oelemot:

• quantity: 1
• sold: 0
• availability: In Stock
• started: March 5, 2026
• best offers: True
• options: Seller-arranged-local-pickup

general oelemot:

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

shipping oelemot:

returns oelemot:

• policy: No Returns

payments oelemot:

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

seller oelemot:

• # reviews: 109
• city: Butler, Pennsylvania
• rating: 100.0%

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