BALDOR EM3664T-4 Phase Induction Motor Rpm 230/460V 1770

( Brand: Baldor ), ( Manufacturer Part Number: EM3664T-4 ), ( Part Type: Hp Motor ), ( Actual Rated Input Voltage: 230/460 ), ( Full Load Amps: 70/35 ), ( Rated Load: Hp ), ( Ac Frequency Rating: 60 Hz ), ( Enclosure Type: Opsb ), ( Base Rpm: 1770 ), ( Shaft Type: Keyed ), ( Ac Motor Type: Induction/asynchronous ), ( Mounting Type: Base-mounted ), ( Current Type: Ac ), ( Service Factor: 1.15 ), ( Nominal Rated Input Voltage: 230 V, 460 V ), ( Ac Phase: Three Phase )

Review BALDOR Super 30 Hp Three Phase Induction Motor 230/460v Rpm

The **Baldor EM3664T-4 30 Horsepower Phase Induction Motor**, a robust and high-performance electric drive, represents the pinnacle of reliability and efficiency in industrial and commercial applications. Engineered with precision by Baldor, a trusted name in motor manufacturing, this **TEFC (Totally Enclosed Fan-Cooled)** induction motor delivers consistent power output while operating seamlessly across dual-voltage configurations of **230V or 460V**, making it versatile for a wide range of electrical systems. With a **4-pole design**, it achieves a nominal speed of **1,770 RPM**, striking an optimal balance between torque and speed for applications requiring moderate to high rotational efficiency, such as conveyors, pumps, compressors, and industrial machinery. The motor s **30 horsepower** rating ensures it can handle demanding workloads with ease, providing the necessary torque to drive heavy-duty equipment without strain, while its **NEMA Premium efficiency** classification guarantees energy savings and reduced operational costs over time.

Constructed with **high-grade materials**, the EM3664T-4 features a **cast iron endbell and frame**, offering exceptional durability and resistance to wear, vibration, and environmental stressors. The **fan-cooled enclosure** ensures effective thermal management, preventing overheating even under prolonged or peak loads, while the **IP55 protection rating** shields internal components from dust, dirt, and splashing water, making it suitable for both clean and moderately harsh environments. The motor s **bearing system**, reinforced with high-quality ball or roller bearings, minimizes friction and extends operational lifespan, reducing maintenance requirements and downtime. Additionally, its **NEMA 4 frame** design ensures compatibility with standard industrial mounting systems, simplifying installation and integration into existing machinery.

Beyond its mechanical robustness, the Baldor EM3664T-4 excels in electrical performance, featuring a **squirrel-cage rotor** that delivers smooth, efficient operation with minimal maintenance. The motor s **class F insulation** provides enhanced thermal endurance, allowing it to operate reliably at elevated temperatures without compromising performance. Its **dual-voltage capability** further enhances flexibility, enabling seamless operation in facilities with varying electrical setups without requiring additional hardware. Whether deployed in manufacturing plants, HVAC systems, or material handling equipment, this motor ensures **consistent power delivery, reduced energy consumption, and long-term reliability**, making it an indispensable asset for industries prioritizing efficiency and durability. With Baldor s reputation for innovation and quality, the EM3664T-4 stands as a dependable workhorse, designed to meet the rigorous demands of modern industrial applications while minimizing operational disruptions.

### **Baldor EM3664T-4 (30 HP, 230/460V, 1770 RPM) Phase Induction Motor: Pros and Cons**

#### **Pros**

1. **Reliability and Durability** Baldor is a well-established manufacturer known for high-quality, robust industrial motors. This model is designed for heavy-duty applications, offering long service life with proper maintenance.

2. **Wide Voltage Range (230/460V)** The dual-voltage capability makes it versatile for different electrical systems, reducing the need for additional voltage conversion equipment.

3. **Standard NEMA Premium Efficiency** The motor meets or exceeds NEMA Premium efficiency standards, meaning it consumes less energy while maintaining performance, leading to cost savings over time.

4. **High Starting Torque** The 30 HP motor provides strong starting torque, which is beneficial for applications requiring immediate load handling (e.g., conveyors, pumps, compressors).

5. **Low Maintenance Requirements** As a standard induction motor, it requires minimal upkeep compared to more complex motor types (e.g., variable frequency drives or synchronous motors).

6. **Compatibility with Common Drives** It can be paired with standard VFD (variable frequency drives) for speed control, making it adaptable to modern automation systems.

7. **Good Availability of Parts** Baldor (now part of Emerson) has a strong aftermarket support system, ensuring easy access to replacement parts and service.

8. **Cost-Effective for General Applications** For standard industrial uses, this motor offers a balanced combination of performance and affordability compared to premium or specialty motors.

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#### **Cons**

1. **Fixed Speed Operation** Unlike AC servo or DC motors, this is a standard induction motor with a fixed speed (1770 RPM at 60 Hz). If precise speed control is required, a VFD will be necessary, adding cost.

2. **Sensitivity to Voltage Fluctuations** Induction motors can experience reduced efficiency or overheating if subjected to frequent voltage spikes or drops, which may require additional protection (e.g., soft starters or voltage regulators).

3. **Higher Inrush Current** During startup, the motor draws a significant current (typically 5 7 times the running current), which can stress electrical systems unless protected.

4. **Limited Environmental Resistance** Unless specified otherwise, this motor may not be fully sealed for harsh environments (e.g., extreme dust, moisture, or corrosive atmospheres). Special NEMA or IP-rated models would be needed for such conditions.

5. **No Built-In Encoder or Feedback** For applications requiring position or speed feedback (e.g., CNC machines), an additional encoder or sensor would be required, increasing system complexity.

6. **Potential for Energy Loss at Partial Loads** While efficient by NEMA standards, induction motors can still waste energy when running at partial loads, though this is less of an issue with modern premium-efficiency models.

7. **Depreciation Over Time** As technology advances, newer motors (e.g., permanent magnet or high-efficiency models) may offer better performance, potentially reducing the long-term value of this motor.

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### **Conclusion**

The **Baldor EM3664T-4 (30 HP, 230/460V, 1770 RPM)** is a **reliable, cost-effective choice** for standard industrial applications where fixed-speed operation is acceptable. Its **NEMA Premium efficiency, dual-voltage capability, and durability** make it a strong option for pumps, fans, compressors, and conveyors. However, if **speed control, precise positioning, or harsh-environment resistance** is required, additional components (VFDs, encoders, or special enclosures) will be needed, increasing the total system cost.

For **general-purpose use in clean, controlled environments**, this motor is an excellent balance of performance and affordability. For **highly specialized or energy-sensitive applications**, evaluating alternatives (e.g., premium-efficiency motors, servo motors, or energy recovery systems) may be worthwhile.

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### **Recommendation**

- You need a **reliable, standard induction motor** for a fixed-speed application.

- Your system operates within **230/460V and standard environmental conditions**.

- You prioritize **cost efficiency and long-term durability** over advanced features.

- You plan to use it in **pumps, fans, compressors, or conveyors** where fixed speed is sufficient.

- You require **variable speed control** (evaluate a motor with a built-in VFD or servo motor).

- The application involves **harsh environments** (dust, moisture, corrosive gases) opt for a **NEMA 4X or IP66-rated motor**.

- Energy savings are critical at **partial loads** explore **premium-efficiency or permanent magnet motors**.

- **Precision positioning** is needed a **servo motor with encoder feedback** may be better.

- Ensure your **electrical system can handle the inrush current** (consider soft starters if necessary).

- Verify **shaft dimensions and mounting compatibility** with your application.

- Check if **additional protection** (overload relays, thermal sensors) is required for your specific use case.

For most **standard industrial uses**, this Baldor motor is a **solid, well-supported choice** that delivers dependable performance with minimal maintenance.

Details:

The Baldor Super E 30 HP Three Phase Induction Motor model EM3664T-4 is a high-quality electric motor designed for industrial automation and motion control applications. The motor is designed for three-phase AC operation at 230/460V with a service factor of 1.15, making it reliable and efficient choice businesses industrial settings. It features a NEMA Design Letter of B, Frame Suffix T, and shaft type keyed. With a rated load of 30 horsepower and base RPM 1770, this motor is suitable for wide range uses.

part #: em3664t4 prices

• $699.90-$855.00

specifications oelemot:

• brand: Baldor
• mpn: Em3664t-4
• part type: Hp Motor
• actual rated input voltage: 230/460
• full load amps: 70/35
• rated load: Hp
• ac frequency rating: 60 Hz
• enclosure type: Opsb
• base rpm: 1770
• shaft type: Keyed
• ac motor type: Induction/asynchronous
• mounting type: Base-mounted
• current type: Ac
• service factor: 1.15
• nominal rated input voltage: 230 V, 460 V
• ac phase: Three Phase

offer oelemot:

• quantity: 1
• started: March 2, 2026
• options: Ship-to-home
• best offers: True
• sold: 0
• availability: In Stock

seller oelemot:

• city: Sebastian, Florida
• # reviews: 213
• rating: 100.0%

returns oelemot:

• policy: No Returns

payments oelemot:

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

general oelemot:

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

shipping oelemot:

• cost: $150.00
• service: Flat Rate Freight
• type: Fixed
• class: Freight

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