A.O. SMITH 349422.01 Century Induction Motor Dp 3-PHASE 208-230/460V

( Brand: A.o. Smith ), ( Manufacturer Part Number: 349422.01 ), ( Part Type: Hp Motor ), ( Actual Rated Input Voltage: 208-230/460 V ), ( Inverter/vector Duty Rating: Inverter Duty ), ( Full Load Amps: 3.4 ), ( Ac Frequency Rating: 60 Hz ), ( Enclosure Type: Dp ), ( Base Rpm: 1745 ), ( Ac Motor Type: Induction/asynchronous ), ( Mounting Type: Base-mounted ), ( Current Type: Ac ), ( Service Factor: 1.15 ), ( Nominal Rated Input Voltage: 208 V, 230 V, 460 V ), ( Ac Phase: Three Phase )

Review A.O. SMITH .o. 349422.01.o. Century Plus Hp 3-phase Induction Motor 208-230/460v Dp

The **A.O. Smith 349422.01 Century HP 3-Phase Induction Motor** is a robust, high-performance electric motor engineered for demanding industrial applications where reliability, efficiency, and durability are paramount. Part of A.O. Smith s trusted Century series, this motor delivers exceptional performance in a wide range of commercial and light industrial settings, including HVAC systems, water treatment facilities, pumps, compressors, and conveyor systems. With a **3-phase induction design**, it ensures smooth, consistent operation with minimal maintenance requirements, making it an ideal choice for facilities seeking long-term dependability.

This motor is built to handle heavy-duty workloads with a **208-230/460V** voltage rating, providing flexibility for integration into various electrical systems without compromising performance. Its **dual-voltage capability** allows for seamless operation across different power configurations, ensuring compatibility with existing infrastructure while maintaining optimal efficiency. The **high horsepower (HP) output** available in multiple frame sizes delivers the torque and speed necessary to drive large-scale machinery with precision, reducing energy consumption and operational costs over time.

Constructed with premium materials, the Century HP motor features a **cast iron endbell and frame**, offering superior strength and resistance to thermal stress, vibration, and mechanical wear. The **TEFC (Totally Enclosed Fan-Cooled)** design ensures protection against dust, moisture, and corrosive environments, making it suitable for both indoor and outdoor applications where harsh conditions could otherwise degrade performance. Additionally, the motor incorporates **high-quality bearings** and a **sealed rotor**, minimizing friction and extending service life while reducing the risk of downtime.

A.O. Smith s reputation for innovation is evident in the Century HP s **energy-efficient motor windings**, which optimize power usage and reduce heat generation, contributing to lower operational expenses and a smaller environmental footprint. The motor s **NEMA Premium efficiency rating** further enhances its appeal, aligning with modern sustainability standards while delivering superior performance metrics. Whether integrated into a water treatment plant, industrial pump system, or HVAC unit, this motor operates with quiet, vibration-dampened performance, ensuring smooth and reliable mechanical operation.

For facilities prioritizing longevity and performance, the Century HP motor is backed by A.O. Smith s commitment to quality craftsmanship and technical support. Its **modular design** allows for easy installation and maintenance, while the inclusion of **standardized mounting dimensions** ensures compatibility with existing equipment. With a focus on both performance and endurance, this motor stands as a dependable workhorse for industries where reliability is non-negotiable, offering a balance of power, efficiency, and durability that sets it apart in the competitive motor market.

### **Pros and Cons of buying a A.O. Smith 349422.01 Century HP 3-Phase Induction Motor (208-230/460V, DP)**

#### **Pros**

1. **Reliability and Durability**

The A.O. Smith Century series is known for its robust construction, designed for heavy-duty industrial applications. The motor is built with high-quality materials, including a die-cast aluminum housing and high-grade insulation, which enhances its longevity and resistance to wear and tear.

2. **Wide Voltage Range (208-230V / 460V)**

The dual-voltage capability makes this motor versatile for different electrical setups without requiring additional voltage conversion equipment. This flexibility is particularly useful in facilities where voltage fluctuations or multiple voltage options are common.

3. **Energy Efficiency**

A.O. Smith motors are designed with energy-saving features, such as optimized windings and efficient cooling systems. While not classified as a premium energy-efficient motor (e.g., IE3 or IE4), it still performs better than older, less efficient models, potentially reducing operational costs over time.

4. **Compact and Space-Efficient Design**

The DP (Direct Parallel) configuration allows for a more compact installation, which can be advantageous in space-constrained environments. This design also simplifies wiring and installation compared to some other motor types.

5. **Compatibility with Existing Systems**

As a 3-phase induction motor, it is widely compatible with standard industrial machinery, pumps, compressors, and conveyors. The Century series is also designed to integrate smoothly with variable frequency drives (VFDs) if needed, though this would require additional components.

6. **Warranty and Support**

A.O. Smith offers standard warranties (typically 1 2 years) and access to technical support, spare parts, and service networks. This can be reassuring for businesses that rely on consistent motor performance.

7. **Cost-Effective for Medium-Duty Applications**

While not the cheapest motor on the market, it strikes a balance between performance and price, making it a practical choice for medium to heavy-duty industrial applications where high-end efficiency isn t the primary concern.

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#### **Cons**

1. **Not Energy-Efficient by Modern Standards**

The motor does not meet the latest energy efficiency standards (e.g., IE3 or IE4). While it is more efficient than older models, it may consume more power compared to newer, premium efficiency motors, leading to higher electricity costs over time.

2. **Limited Variable Frequency Drive (VFD) Compatibility**

While the motor can technically work with a VFD, its design may not be optimized for high-frequency operation or soft-start applications. This could result in reduced lifespan or performance degradation if used with a VFD without proper considerations (e.g., derating or additional cooling).

3. **Higher Noise and Vibration Levels**

Induction motors, especially older or standard-efficiency models like this one, tend to produce more noise and vibration compared to premium efficiency motors. This can be a concern in applications where quiet operation is critical (e.g., food processing, cleanrooms).

4. **Maintenance Requirements**

Like most induction motors, this model requires regular maintenance, including bearing lubrication, winding inspections, and cooling system checks. Neglecting maintenance can lead to premature failure, especially in harsh environments.

5. **Limited Customization Options**

The motor is a standard model with fixed specifications. If your application requires non-standard features (e.g., explosion-proof, high-altitude performance, or specific mounting options), you may need to invest in additional accessories or a different model.

6. **Potential for Higher Initial Cost Than Basic Motors**

While not excessively expensive, it is priced higher than the most basic industrial motors. If your application doesn t demand its features, a simpler motor might suffice at a lower cost.

7. **Dependence on Single-Source Supplier**

A.O. Smith is a reputable brand, but relying on one supplier for critical components may limit flexibility in case of supply chain issues or price fluctuations. Alternatives from other manufacturers (e.g., Siemens, WEG, or TECO-Westinghouse) might offer competitive options.

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### **Conclusion**

The **A.O. Smith 349422.01 Century HP 3-phase induction motor** is a solid choice for **medium to heavy-duty industrial applications** where reliability, dual-voltage flexibility, and compact design are priorities. It is well-suited for environments where energy efficiency is secondary to durability and cost-effectiveness. However, if **energy savings, low noise, or VFD compatibility** are critical, a **premium efficiency motor (IE3/IE4)** or a motor specifically designed for VFD operation may be a better long-term investment.

For most **standard industrial pumps, compressors, or conveyors** operating in controlled conditions, this motor will perform adequately without major drawbacks. Businesses should weigh the **upfront cost savings** against **potential higher energy consumption** and **maintenance needs** over the motor s lifespan.

---

### **Recommendation**

- You need a **reliable, dual-voltage 3-phase motor** for a **medium-duty industrial application**.

- Your facility has **limited space** and requires a **compact design**.

- You prioritize **durability and cost-effectiveness** over energy efficiency.

- You are **not planning to use a VFD** or have already accounted for its limitations.

- **Energy efficiency** is a top priority (e.g., IE3/IE4 motors from WEG, Siemens, or TECO).

- Your application involves **VFD control** (opt for a motor rated for VFD operation).

- **Noise or vibration** is a concern (look for premium efficiency or low-noise models).

- You operate in a **harsh environment** (e.g., high altitude, corrosive conditions) and need a specialized motor.

For most **general industrial uses**, this motor is a **practical and dependable choice**, but always compare it with other models to ensure it meets your specific operational requirements.

Details:

Its NEMA Design Letter of B and Inverter Duty rating make it suitable for various inverter-driven systems. Perfect for businesses seeking reliable and efficient motion control solutions. With a service factor of 1.15 and class B insulation, this motor ensures high-quality operation longevity. Smith Century E Plus 1 HP 3-Phase Induction Motor is a reliable and durable electric motor designed for industrial automation motion control applications.

With a rated input voltage of 208-230/460V and full load amps 3.4, this motor offers efficient performance at constant.

part #: 34942201 price

• $197.00

specifications oelemot:

• brand: A.o. Smith
• mpn: 349422.01
• part type: Hp Motor
• actual rated input voltage: 208-230/460 V
• inverter/vector duty rating: Inverter Duty
• full load amps: 3.4
• ac frequency rating: 60 Hz
• enclosure type: Dp
• base rpm: 1745
• ac motor type: Induction/asynchronous
• mounting type: Base-mounted
• current type: Ac
• service factor: 1.15
• nominal rated input voltage: 208 V, 230 V, 460 V
• ac phase: Three Phase

seller oelemot:

• # reviews: 4
• city: Milan, Michigan
• rating: 100.0%

payments oelemot:

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

shipping oelemot:

• type: Calculated
• service: USPS Ground Advantage
• carrier: USPS
• cost: $54.89
• class: Standard
• transit: 4-10 Days

offer oelemot:

• availability: In Stock
• started: April 22, 2026
• sold: 0
• best offers: True
• options: Ship-to-home
• quantity: 1

returns oelemot:

• policy: No Returns

general oelemot:

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

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