WEG 40 HP AC Motor - 1800 RPM, 324TC Frame, TEFC, 230/460V, Three Phase
WEG 40 HP AC Motor - 1800 RPM, 324TC Frame, TEFC, 230/460V, Three Phase
The WEG 04018ET3E324TC-W22 AC Motor is a high-performance solution for demanding industrial applications, delivering a robust 40 HP at 1800 RPM. Designed with a Totally Enclosed Fan Cooled (TEFC) construction, this motor is built for durability and efficiency, boasting a 94.1% efficiency rating to help reduce energy costs. Its 324TC frame and foot mount allow for straightforward installation, making this WEG motor ideal for general-purpose use in a variety of settings that require reliable power and low maintenance.
Product Specifications
Product Specifications
- Model Number: 04018ET3E324TC-W22
- Horsepower: 40 HP
- Speed: 1800 RPM
- Voltage: 230/460V, Three Phase
- Enclosure: Totally Enclosed Fan Cooled (TEFC)
- Frame Size: 324TC, 6TC
- Service Factor: 1.25
- Efficiency: 94.1%
- Construction: Cast Iron
- Mounting Type: Foot Mount
- Rated Input Frequency: 60 Hz
- Duty Cycle: Continuous
Applications and Uses
Applications and Uses
This WEG motor is versatile and ideal for:
- Industrial Pumps and Compressors: Supports consistent and powerful performance.
- Conveyors and Heavy Machinery: Designed for industrial equipment that requires steady, efficient power.
- HVAC and Ventilation Systems: Excellent for use in HVAC setups that need robust airflow and durability.
Key Features and Benefits
Key Features and Benefits
High Output Power: Provides 40 HP with a steady 1800 RPM speed for demanding applications.
Durable and Efficient: TEFC design and 94.1% efficiency for reliable operation in rugged environments.
Versatile Application: General-purpose motor suitable for continuous-duty cycles with a 1.25 service factor for added reliability.
Installation and Maintenance Guidelines
Installation and Maintenance Guidelines
Installation: Securely mount the motor using the foot mount and connect to a 230/460V, three-phase power source.
Maintenance: Minimal maintenance is required due to the TEFC enclosure, which protects against dust and debris. Regularly inspect for any wear or signs of overheating.
Warranty and Support
Warranty and Support
This WEG motor is backed by a 1-year warranty covering manufacturing defects.

In-Depth Product Information and Specifications for WEG 40 HP AC Motor - 1800 RPM, 324TC Frame, TEFC, 230/460V, Three Phase
Efficiency Comparison Chart
Applications and Recommended Use Cases
In the 40 HP range, 3-phase motors like this one are commonly used to drive pumps, fans and blowers, compressors, and general material-handling equipment in industrial and commercial facilities.\nThe totally enclosed fan-cooled (TEFC) design keeps dust, dirt, and moisture away from the windings, making it a solid fit for machine shops, manufacturing floors, and other environments where an open frame would let contaminants reach the motor.\nCast iron construction adds durability and heat dissipation compared to a rolled-steel frame, which matters most in continuous-duty or higher-horsepower applications.
Energy Cost Savings Over Time
Technical Specifications Breakdown
Horsepower: 40 HP\nSpeed: 1800 RPM\nPoles: 4\nPhase: 3-Phase\nVoltage: 230V\nNEMA Frame: 324TC\nEnclosure: TEFC\nFrame material: Cast iron
Maintenance Schedule and Requirements
| Task | Freq. | Details |
|---|---|---|
| Lubrication | Annually | Lubricate bearings to maintain smooth operation under continuous load. |
| Insulation Resistance Test | Every 2 years | Conduct insulation testing to ensure electrical safety and efficiency. |
| Temperature Monitoring | Periodic | Monitor temperature to prevent overheating, especially in high-demand environments. |
| Cleaning of Enclosure | Quarterly | Clean TEFC enclosure to maintain proper cooling and prevent dust buildup. |
| Electrical Connections Inspection | Every 6 months | Inspect and secure electrical connections for reliable performance. |
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