CENTURY B589 Rpm Capacitor Start Belt Drive Motor 3450 115/208-230VAC

( Brand: Century ), ( Manufacturer Part Number: B589 ), ( Part Type: Start Hp Belt Drive Motor )

Review CENTURY Hp Rpm 115/208-230vac Capacitor start Belt Drive Motor

The **Century B589** is a robust, high-performance **capacitor-start, belt-driven electric motor** engineered for reliability, efficiency, and versatility in demanding industrial and commercial applications. Designed with precision engineering, this **3450 RPM** motor delivers a consistent and powerful output, making it an ideal choice for conveyor systems, compressors, pumps, fans, and other machinery requiring smooth, continuous operation. With a **115/208-230VAC** voltage rating, the B589 accommodates a wide range of electrical setups, ensuring seamless integration into existing power systems without the need for complex modifications. Its **capacitor-start** design provides an efficient and cost-effective alternative to traditional induction motors, offering a softer startup that reduces mechanical stress on connected equipment while minimizing inrush current an important consideration for both energy efficiency and equipment longevity.

Built with **high-quality materials**, the B589 features a durable **cast iron endbell and frame**, ensuring structural integrity under heavy loads and extended operational cycles. The **belt-driven configuration** allows for flexible shaft mounting and alignment, accommodating various pulley setups to optimize speed and torque for specific applications. The motor s **NEMA Premium efficiency rating** reflects its commitment to energy conservation, reducing operational costs while maintaining peak performance. Additionally, the **sealed bearing system** and **high-temperature-resistant insulation class** (typically F or H) enhance durability, even in environments with fluctuating temperatures or exposure to dust and moisture. Whether deployed in manufacturing plants, HVAC systems, or material handling facilities, the Century B589 delivers **consistent torque, low maintenance requirements, and extended service life**, making it a dependable workhorse for industries prioritizing productivity and reliability.

### **Pros and Cons of Buying a Century B589 HP 3450 RPM 115/208-230VAC Capacitor-Start Belt Drive Motor**

1. **Reliable Brand** Century Motors is a well-established manufacturer known for durable, industrial-grade electric motors. Their products are often used in commercial and light industrial applications, offering a balance of performance and longevity.

2. **Capacitor-Start Design** This motor features a capacitor-start mechanism, which provides a strong initial torque to overcome inertia when starting under load. This is particularly useful for belt-driven applications where the motor must quickly engage with a load (e.g., fans, pumps, or compressors).

3. **Belt Drive Compatibility** The belt drive design allows for flexible installation and reduces wear on the motor itself since the driven equipment (e.g., a fan or conveyor) absorbs some of the mechanical stress. This can extend the motor s lifespan compared to direct-drive setups.

4. **Dual Voltage (115/208-230VAC)** The motor s ability to operate on both single-phase (115V) and three-phase (208/230V) power makes it versatile for different electrical setups. This flexibility can be useful if the installation site has variable voltage requirements.

5. **Standard Horsepower (3.45 HP)** At 3.45 horsepower, this motor is suitable for moderate-duty applications such as small HVAC systems, exhaust fans, water pumps, or light industrial machinery. It s powerful enough for most residential or small commercial needs without being overkill.

6. **Efficient for Belt-Driven Loads** Belt-driven motors are generally more efficient in applications where the driven equipment (e.g., a fan blade) can slip slightly, reducing mechanical stress on the motor bearings and brushes.

7. **Easier Maintenance** Belt-driven systems often require less frequent bearing replacement compared to direct-drive motors, as the belt absorbs some of the shock and vibration.

8. **Cost-Effective for Light-Duty Use** For applications where a larger motor would be unnecessary, this motor offers a cost-effective solution without sacrificing performance.

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1. **Lower Efficiency Compared to Premium Motors** While functional, this motor is not a high-efficiency model (likely NEMA Premium or IE3/IE4 rated). If energy savings are a priority, a more efficient motor (e.g., a permanent split capacitor or inverter-duty motor) may be better in the long run.

2. **Brushes Require Replacement** As a capacitor-start motor, it uses brushes for the starting mechanism. Brushes wear out over time and will need periodic replacement (typically every 10,000 20,000 hours of use), adding maintenance costs.

3. **Limited Speed Control Options** This is a fixed-speed motor (3,450 RPM). If variable speed is required, an inverter or a different motor type (e.g., a permanent split capacitor or DC motor) would be needed, potentially increasing complexity and cost.

4. **Potential for Belt Slippage** Belt-driven systems can suffer from slippage if the belt is worn or improperly tensioned, leading to reduced efficiency or premature motor wear. Regular belt inspections are necessary.

5. **Single-Phase Limitations** While the dual-voltage capability is an advantage, single-phase motors (like this one) generally have lower power factor and efficiency compared to three-phase motors. If three-phase power is available, a three-phase motor may offer better performance.

6. **Noise and Vibration** Belt-driven motors can produce more noise and vibration than direct-drive motors, especially if the belt or pulley alignment is poor. This may be a consideration in noise-sensitive environments.

7. **Not Ideal for Heavy Loads or Frequent Starts** This motor is designed for moderate-duty applications. For heavy loads, frequent starts/stops, or continuous duty (e.g., 24/7 operation), a more robust motor (e.g., a heavy-duty capacitor-start or permanent split capacitor motor) would be better.

8. **Limited Lifespan Compared to Premium Motors** Without premium efficiency standards, the motor may have a shorter lifespan under heavy or continuous use compared to modern, energy-efficient alternatives.

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The **Century B589 HP 3450 RPM capacitor-start belt drive motor** is a solid, cost-effective choice for **light to moderate-duty applications** where reliability and simplicity are prioritized over energy efficiency or advanced features. It excels in **fan, pump, or compressor systems** where belt drive flexibility is beneficial, and where the motor does not need to operate under extreme conditions. However, if the application demands **higher efficiency, variable speed, or heavy-duty performance**, a more advanced motor (e.g., a permanent split capacitor motor, inverter-duty motor, or three-phase motor) would be a better long-term investment.

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- You need a **budget-friendly, reliable motor** for a **small HVAC system, exhaust fan, or light industrial pump**.

- Your application is **not continuous-duty** and does not require frequent starts/stops.

- You prefer **belt drive flexibility** and can handle **brush maintenance**.

- The motor s **dual-voltage capability** matches your electrical setup.

- You require **higher efficiency** (look for NEMA Premium or IE3/IE4 rated motors).

- **Variable speed control** is needed (consider an inverter-compatible motor).

- The motor will operate under **heavy loads or extreme conditions** (opt for a heavier-duty motor).

- **Noise or vibration** is a concern (direct-drive or premium motors may be quieter).

- You want **longer lifespan and lower maintenance** (invest in a permanent split capacitor or brushless motor).

For most **residential or small commercial applications**, this motor is a **practical and affordable choice**. However, if energy savings or advanced features are critical, upgrading to a more modern motor may justify the higher upfront cost.

Details:

Shipping Info: 28 lbs, 12x16x12, 44156454, MSRP:345, The shipping option you are presented for this item was chosen based on appropriate options weight, box dimensions, contents. This is a Century belt drive motor. There is a dent on the capacitor cover. It is possible to return items.

Manufacturer Part Number B589. Century B589 1 HP 3450 RPM 115/208-230VAC Capacitor-Start Belt Drive Motor. Please review the entire and technical specifications below for most accurate information on this item. Technical Specs.

The motor shaft spins when turned by hand. This unit only includes what is photographed in the listing. When their catalog changes or product offering change, they are left with inventory that can not be moved. There are also some cosmetic scuffs and scratches throughout the unit.

Please view all the pictures before buying. Windy City Liquidation is a corporation that helps its clients dispose of unwanted inventory.

part #: b589 prices

• $129.75-$419.99

specifications momaequ:

• brand: Century
• mpn: B589
• part type: Start Hp Belt Drive Motor

offer momaequ:

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

general momaequ:

• condition: New Open box
• Industrial Automation Motion Controls > Electric Motors > Definite Purpose Motors

payments momaequ:

• credit card: Visa
• other
• cash
• wallet: Apple-pay

shipping momaequ:

• class: Standard
• type: Calculated
• service: FedEx Ground / FedEx Home Delivery
• transit: 4-7 Days
• carrier: FedEx
• cost: $64.12

returns momaequ:

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

seller momaequ:

• city: Oregon, Illinois
• rating: 99.9%
• # reviews: 18568

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