SIEMENS 1LA04494SE41C Rpm Tefc Amplifier 250 1800 449T 282-AMP 282460V

( Brand: Siemens ), ( Manufacturer Part Number: 1LA04494SE41C ), ( Part Type: Hp Amplifier ), ( Ac Frequency Rating: 60 Hz ), ( Special Motor Construction: Severe Duty Motor ), ( Enclosure Type: Tefc ), ( Shaft Type: Keyed ), ( Ac Motor Type: Induction/asynchronous ), ( Current Type: Ac ), ( Nominal Rated Input Voltage: 460 V ), ( Ac Phase: Three Phase )

Review SIEMENS 250 Hp 1800 Rpm Tefc 282460v

The **Siemens 1LA04494SE41C** is a high-performance, industrial-grade electric motor designed to deliver exceptional reliability, efficiency, and durability in demanding applications. Part of Siemens renowned **1LA** series, this **250 horsepower (HP)** motor is engineered to meet the rigorous demands of heavy-duty machinery, conveyor systems, pumps, compressors, and other critical industrial processes. Operating at a nominal speed of **1,800 revolutions per minute (RPM)**, this motor provides a balanced combination of torque and speed, ensuring optimal performance across a wide range of industrial environments. With a **449-frame size**, it offers robust structural integrity, accommodating high mechanical loads while maintaining precision and stability.

This motor is equipped with a **Totally Enclosed Fan-Cooled (TEFC)** design, which ensures superior protection against dust, moisture, and corrosive elements, making it ideal for environments where exposure to harsh conditions is a concern. The **460-volt (V)** single-phase or three-phase power rating (with a corresponding **282 amps at 282.460V**) allows for seamless integration into existing electrical systems, providing flexibility for various industrial setups. The **4-pole configuration** enhances efficiency by optimizing rotational speed and power output, reducing energy consumption while maximizing productivity.

Built with Siemens advanced manufacturing standards, this motor incorporates high-quality materials, including precision-engineered bearings, a robust stator, and a durable rotor, all of which contribute to extended operational life and reduced maintenance requirements. The **IP55** protection rating further reinforces its resilience against solid contaminants and water splashes, ensuring consistent performance even in challenging operational conditions. Whether deployed in manufacturing plants, mining operations, or large-scale infrastructure projects, this motor exemplifies Siemens commitment to innovation, reliability, and performance, making it a trusted choice for industries seeking dependable, high-efficiency electric drive solutions.

### **Pros and Cons of buying a Siemens 1LA04494SE41C (250 HP, 1800 RPM, TEFC, 282460V, 282A/460V) Motor**

1. **High Reliability and Durability** Siemens motors are known for their robust construction, high-quality materials, and long service life, making them suitable for industrial applications requiring consistent performance.

2. **Energy Efficiency** This motor likely meets or exceeds IE2 (Premium Efficiency) standards, reducing operational costs over time by improving energy consumption.

3. **TEFC (Totally Enclosed Fan-Cooled) Design** Protects against dust, moisture, and corrosive environments, making it ideal for harsh industrial settings.

4. **High Power Output (250 HP)** Suitable for heavy-duty applications such as pumps, compressors, conveyors, and industrial machinery where significant torque and power are required.

5. **Standardized Voltage Options (282V/460V)** Flexibility in voltage selection allows compatibility with different electrical systems, reducing the need for additional converters.

6. **Low Maintenance Requirements** Siemens motors are designed for minimal upkeep, reducing downtime and repair costs.

7. **Compatibility with Siemens Drives** Works seamlessly with Siemens variable frequency drives (VFDs), enabling precise speed control and energy savings in variable-load applications.

8. **Global Availability of Parts** Siemens has a widespread service network, ensuring easy access to spare parts and technical support.

9. **Long Warranty Periods** Siemens typically offers extended warranties (often 1 3 years), providing added protection against premature failure.

10. **Proven Performance in Critical Applications** Used in industries like oil & gas, mining, and manufacturing, where reliability is non-negotiable.

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1. **High Upfront Cost** Siemens motors are premium-priced compared to generic or aftermarket brands, which may be a barrier for budget-conscious buyers.

2. **Potential Overkill for Light-Duty Use** A 250 HP motor is powerful and may be excessive for applications requiring less horsepower, leading to unnecessary energy consumption and higher costs.

3. **Specialized Installation Requirements** May require professional setup, especially for high-voltage (460V) applications, increasing labor costs.

4. **Limited Customization Options** Unlike some OEMs, Siemens may not offer extensive customization for non-standard mounting or environmental conditions.

5. **Dependence on Siemens Support** If the buyer lacks in-house Siemens expertise, troubleshooting or repairs may require external technical assistance, adding costs.

6. **Potential for Over-Engineering** In applications where the motor runs at partial load for extended periods, a slightly smaller motor (e.g., 200 225 HP) might suffice, reducing energy waste.

7. **Resale Value** Like most high-end industrial equipment, resale value may not fully recoup the initial investment if the motor is no longer needed.

8. **Potential for Overheating in Poor Ventilation** While TEFC motors are durable, inadequate airflow or improper installation can lead to overheating, reducing lifespan.

9. **Compatibility Issues with Non-Siemens Systems** Some legacy or third-party control systems may not integrate smoothly without additional modifications.

10. **Long Lead Times for Replacement Parts** In rare cases, obtaining specific parts (especially for older models) may take longer than with more widely available brands.

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### **Conclusion**

The **Siemens 1LA04494SE41C (250 HP, 1800 RPM, TEFC, 282460V)** is an excellent choice for **high-reliability, heavy-duty industrial applications** where efficiency, durability, and compatibility with Siemens drives are critical. Its premium build quality, energy efficiency, and robust protection make it ideal for **mining, oil & gas, manufacturing, and large-scale machinery**.

- **Budget-sensitive buyers** (due to high upfront cost).

- **Light-duty or intermittent-use applications** (where a smaller motor would suffice).

- **Operations without Siemens expertise** (may complicate maintenance).

- **Non-standard or legacy systems** (potential integration challenges).

If the application demands **consistent performance under demanding conditions**, this motor is a **strong recommendation**. If cost or application requirements are less stringent, alternatives like **ABB, WEG, or even high-quality generic motors** (with proper certification) could be considered after a cost-benefit analysis.

You need a **highly reliable, efficient, and long-lasting motor** for **heavy industrial use**.

Your system is **Siemens-compatible** (or you can integrate it without major modifications).

You prioritize **low maintenance and energy savings** over initial cost.

The motor is **properly sized** for the application (not oversized for light-duty work).

Budget is a **major constraint** (compare with ABB, WEG, or certified generic motors).

The application is **not fully justified for 250 HP** (a slightly smaller motor may work).

In-house expertise is **limited** (ensure proper installation and support are available).

For most **critical industrial applications**, this Siemens motor is a **sound investment** that will deliver **superior performance and longevity** compared to lower-end alternatives.

Details:

This TEFC motor operates at 460V with a 282 rating and features keyed shaft for secure mounting. The Siemens 1LA04494SE41C is a 250 HP, 1800 RPM electric motor with severe duty construction, ideal for industrial automation and motion control applications. With a Three Phase AC design and NEMA Frame Suffix T, this motor offers reliable performance for demanding operational conditions.

part #: 1la04494se41c prices

• $6000.00-$8000.00

specifications oelemot:

• brand: Siemens
• mpn: 1la04494se41c
• part type: Hp Amplifier
• ac frequency rating: 60 Hz
• special motor construction: Severe Duty Motor
• enclosure type: Tefc
• shaft type: Keyed
• ac motor type: Induction/asynchronous
• current type: Ac
• nominal rated input voltage: 460 V
• ac phase: Three Phase

offer oelemot:

• options: Seller-arranged-local-pickup
• sold: 0
• quantity: 1
• availability: In Stock
• started: May 19, 2026

general oelemot:

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

shipping oelemot:

payments oelemot:

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

returns oelemot:

• method: Money back
• time: 14 Days
• paid by: Buyer
• policy: Returns Accepted

seller oelemot:

• rating: 100.0%
• # reviews: 491
• city: Wichita, Kansas

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