BALDOR BM3704T Brake Motor 213T 3HP 1140RPM 230/460V-AC 3PH

( Brand: Baldor ), ( Manufacturer Part Number: BM3704T ), ( Part Type: Brake Motor ), ( Frame: 213t ), ( Power: 3 Hp ), ( Rpm: 1140 Rpm ), ( Shaft Od: 1.375 In ), ( Voltage: 230 V-ac, 460 V-ac ), ( Phase: 3ph ), ( Reference Sku: 1766425 ), ( Product Condition: Used Excellent )

Review BALDOR Industrial Brake Motor 3hp 1140rpm 230/460v-ac 3ph

The **Baldor BM3704T Brake Motor** is a robust, high-performance electric motor designed for demanding industrial applications where precise control, reliability, and safety are paramount. Engineered with Baldor s reputation for durability and efficiency, this **3 horsepower (3HP), 213T frame** motor delivers consistent performance in environments where frequent starts, stops, and torque demands are routine. Operating at a nominal speed of **1140 RPM**, it provides a balanced output suitable for conveyor systems, packaging machinery, material handling equipment, and other industrial processes requiring steady, controlled motion. Powered by a **3-phase AC voltage range of 230/460 volts**, this motor is versatile enough to integrate seamlessly into a variety of electrical systems, offering flexibility for different plant configurations.

One of the standout features of the **BM3704T** is its **built-in mechanical brake**, a critical component for applications where sudden halts are necessary to prevent equipment or product damage. The brake ensures rapid deceleration and precise stopping, reducing wear on mechanical components and enhancing operational safety. Constructed with Baldor s high-quality materials, including a rugged steel housing and corrosion-resistant coatings, this motor is built to withstand harsh industrial conditions, including exposure to dust, moisture, and temperature fluctuations. The **TEFC (Totally Enclosed Fan-Cooled)** design not only protects internal components from external contaminants but also optimizes thermal management, extending the motor s lifespan and maintaining peak efficiency under continuous operation.

The **BM3704T** incorporates Baldor s advanced engineering standards, including high-efficiency windings and optimized magnetic circuits, which minimize energy loss and reduce operational costs over time. Its **NEMA Premium efficiency rating** ensures compliance with stringent energy-saving regulations while delivering superior performance. The motor s compact yet sturdy **213T frame** allows for easy installation in tight spaces, and its standardized mounting dimensions ensure compatibility with a wide range of gearboxes, reducers, and mechanical couplings. Whether used in manufacturing plants, warehouses, or processing facilities, this motor provides the reliability and precision needed to maintain smooth, uninterrupted production cycles.

For applications requiring additional control or monitoring, the **BM3704T** can be integrated with Baldor s range of variable frequency drives (VFDs) or other automation systems, enabling seamless speed and torque adjustments. Its robust construction and long-term reliability make it an ideal choice for industries prioritizing uptime and operational efficiency. With Baldor s commitment to quality and innovation, this brake motor represents a dependable solution for engineers and operators seeking a balance of power, safety, and performance in their industrial applications.

### **Baldor BM3704T Brake Motor (213T, 3HP, 1140 RPM, 230/460V AC, 3-Phase) Pros and Cons**

1. **Reliable Brand Reputation** Baldor (now part of ABB) is a well-established manufacturer known for durable, high-quality electric motors and brake motors. Their products are widely used in industrial applications due to their longevity and performance.

2. **Built-in Mechanical Brake** The integrated brake ensures immediate stopping when power is disconnected, which is critical for safety in applications like conveyors, hoists, or material handling systems. This eliminates the need for separate brake systems, reducing installation complexity.

3. **High Efficiency** The motor is designed for energy efficiency, which can lead to lower operational costs over time. Baldor motors are engineered to meet or exceed NEMA efficiency standards.

4. **Wide Voltage Range (230/460V)** The dual-voltage capability makes it versatile for different electrical setups without requiring a separate motor variant, reducing inventory needs.

5. **Standardized Frame Size (213T)** The 213T frame is a common industrial size, meaning replacement parts, bearings, and accessories are readily available. This also simplifies maintenance and upgrades.

6. **Three-Phase Operation** Suitable for most industrial environments where three-phase power is standard, ensuring consistent performance and torque.

7. **Good Speed-Torque Characteristics** At 1140 RPM and 3HP, it is well-suited for moderate-speed applications like pumps, fans, or light machinery. The brake motor provides controlled deceleration, reducing wear on driven equipment.

8. **Compliance with Industry Standards** Baldor motors are designed to meet NEMA, UL, and other relevant safety and performance standards, ensuring compatibility with most industrial systems.

9. **Long Lifespan with Proper Maintenance** With regular upkeep (lubrication, alignment checks, and brake adjustments), these motors can last decades, making them a cost-effective long-term investment.

10. **Easy to Install and Maintain** The design is straightforward, with standard mounting options (foot or flange) and accessible components for servicing.

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1. **Higher Upfront Cost** Compared to generic or less-known brands, Baldor motors are premium-priced. While this is justified by quality, it may be a barrier for small businesses or budget-conscious buyers.

2. **Brake Maintenance Requirements** The mechanical brake, while beneficial, requires periodic inspection and adjustment. If neglected, it can wear out prematurely, leading to unexpected downtime or failure.

3. **Limited Customization** Unlike some specialty manufacturers, Baldor offers limited options for non-standard configurations (e.g., unique mounting, enclosures, or speed variations). Customization may require additional lead time or third-party modifications.

4. **Weight and Size** The 213T frame is robust but heavier than smaller motors. Installation may require reinforced mounting structures, adding to setup costs.

5. **Dependence on Baldor/ABB Support** While Baldor has strong after-sales service, some regions may have limited local distributors or extended lead times for parts, potentially delaying repairs.

6. **Potential for Overkill in Low-Demand Applications** If the application rarely requires braking (e.g., a non-critical conveyor), the added cost of the brake motor may not be justified. A standard motor might suffice.

7. **Voltage Compatibility Issues** While it supports 230/460V, mismatched voltage settings (e.g., using 230V in a 460V system without proper transformers) can cause overheating or damage. Proper electrical setup is critical.

8. **Resale Value Depreciation** Like most industrial equipment, Baldor motors depreciate over time. If resale is a consideration, the value may not recover the initial cost.

9. **Noise and Vibration** As with most industrial motors, some noise and vibration are inherent. While Baldor motors are well-balanced, extreme operating conditions (e.g., misalignment) can exacerbate this.

10. **Potential for Overengineering** For applications where 3HP is excessive (e.g., a light-duty task), the motor may run inefficiently, consuming more power than necessary.

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The **Baldor BM3704T brake motor** is an excellent choice for **industrial applications requiring reliability, safety, and longevity**, particularly in environments where immediate stopping, durability, and ease of maintenance are priorities. Its **built-in brake, efficiency, and standardized frame** make it a strong contender for conveyors, hoists, pumps, or machinery where torque and control are essential.

- Budget-sensitive projects where cost is the primary concern.

- Low-demand applications where a standard motor would suffice.

- Custom or highly specialized setups requiring non-standard configurations.

For most **moderate to heavy-duty industrial uses**, the **pros outweigh the cons**, making it a **recommended purchase** if budget allows. If cost is a major factor, comparing it to **alternative brands (e.g., TEFC motors from other manufacturers) or used/refurbished units** may offer savings without sacrificing performance.

- You need a **durable, brake-equipped motor** for critical applications.

- Your budget can accommodate the **premium price** for long-term reliability.

- You prioritize **minimal maintenance hassles** and **standardized parts availability**.

- You are operating on a **tight budget** and can find a comparable motor from another reputable brand.

- The application **rarely requires braking**, making a standard motor sufficient.

- You need **custom features** not offered by Baldor s standard models.

For most industrial users, **this motor delivers strong performance and value**, making it a **solid recommendation**. Always verify **voltage compatibility, load requirements, and local support availability** before purchasing.

Details:

Model Number:BM3704T.

part #: bm3704t prices

• $750.00-$1894.00

specifications oelemot:

• brand: Baldor
• mpn: Bm3704t
• part type: Brake Motor
• frame: 213t
• power: 3 Hp
• rpm: 1140 Rpm
• shaft od: 1.375 In
• voltage: 230 V-ac, 460 V-ac
• phase: 3ph
• reference sku: 1766425
• product condition: Used Excellent

returns oelemot:

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

payments oelemot:

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

seller oelemot:

• # reviews: 128351
• rating: 100.0%
• city: Delta, Ohio

general oelemot:

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

shipping oelemot:

offer oelemot:

• best offers: True
• quantity: 2
• availability: In Stock
• sold: 0
• options: Ship-to-home
• started: May 8, 2026

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