WEG 00336ET3E145JP-W22 - MOTOR 3HP 2P 143/5JP WFF2
WEG

00336ET3E145JP-W22

UPC: 7909322206363

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Overview

The WEG 3HP 2P Totally Enclosed Fan-Cooled (TEFC) motor (SKU: 00336ET3E145JP-W22) represents the gold standard in industrial motor reliability, engineered by WEG—one of the world's most trusted names in electric motor technology. Designed for integral horsepower applications (1 HP and above), this robust motor combines premium-grade materials, precision manufacturing, and rigorous quality testing to deliver uncompromising performance in the most demanding environments. Its Totally Enclosed Fan-Cooled (TEFC) design features a sealed enclosure that effectively shields internal components from dust, moisture, and airborne contaminants, while an external fan ensures optimal thermal management even under continuous duty cycles. This motor is not just a component—it is a critical investment in operational uptime and equipment longevity. WEG motors are renowned for their durability, efficiency, and adaptability across a wide spectrum of industrial applications. The 3HP 2P configuration (2-pole, 3600 RPM at 60Hz) makes this motor ideal for high-speed applications such as centrifugal pumps, industrial fans and blowers, material handling conveyors, rotary compressors, and machine tool drives. Its compact 143/5JP frame size ensures compatibility with standard mounting configurations, simplifying integration into existing systems or new installations. Whether deployed in dust-laden factories, humid processing plants, outdoor installations, or corrosive chemical environments, the TEFC enclosure provides the necessary protection against environmental stressors, reducing maintenance costs and minimizing unplanned downtime. Selecting the right motor for industrial machinery is a decision that impacts energy efficiency, system reliability, and total cost of ownership. WEG’s motors are engineered with energy-efficient designs that help reduce electricity consumption and comply with global efficiency standards such as IE3 (Premium Efficiency), making them a smart choice for sustainability-focused operations. The motor’s robust construction includes high-quality bearings, premium insulation systems, and corrosion-resistant coatings, ensuring consistent performance even in extreme temperatures or vibration-prone settings. With a reputation built over decades of innovation and service, WEG is the preferred partner for OEMs, system integrators, and maintenance teams seeking motors that combine cutting-edge technology with field-proven reliability. Installation is straightforward thanks to standardized dimensions and mounting patterns, and WEG provides comprehensive technical documentation, including wiring diagrams, torque specifications, and alignment guidelines. For optimal performance, professionals recommend installing the motor on a rigid, vibration-dampening base and ensuring proper ventilation around the cooling fan. Regular maintenance—such as inspecting the fan guard, checking for bearing wear, and verifying electrical connections—will extend service life and maintain efficiency. With a global service network and local support teams, WEG ensures that customers have access to expert assistance for installation, troubleshooting, and replacement parts. In industries such as water and wastewater treatment, food and beverage processing, mining, HVAC, and manufacturing automation, the WEG 3HP 2P TEFC motor is a trusted workhorse that powers critical processes. Its combination of operational excellence, environmental resilience, and energy efficiency makes it a cornerstone component in modern industrial systems. Whether driving a conveyor in a bottling plant, powering a ventilation system in a steel mill, or operating a compressor in a refrigeration unit, this motor delivers the performance and dependability that industrial operators demand. Choose WEG for motors that don’t just run— they endure.
  • Totally Enclosed Fan-Cooled (TEFC) design protects against dust, moisture, and contaminants
  • 3HP, 2-pole configuration ideal for high-speed industrial applications
  • Premium materials and precision manufacturing ensure long service life
  • Energy-efficient operation compliant with IE3 (Premium Efficiency) standards
  • Compatible with pumps, fans, conveyors, compressors, and machinery drives

Specifications

Frequency
60 Hz
IP Rating
IP66
Mounting Type
TEFC
Poles
2P
Series
WEG 3HP 2P TEFC
Size
143/5JP
Package Weight (Imperial)
61.402 LB
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Frequently Asked Questions about WEG

What certifications and standards do WEG products comply with?

WEG products meet extensive international standards across multiple critical categories, including safety, electromagnetic compatibility (EMC), functional safety, and regulatory compliance. Key certifications include UL, cUL, CE, TÜV Rheinland, and compliance with international standards such as EN 61800 series, IEC 61508, ISO 13849-1, and directives like Low Voltage (2014/35/EU), EMC (2014/30/EU), and RoHS. Their products are certified for safe operation in various industrial environments, with specific standards covering electrical safety, thermal performance, electromagnetic immunity, and environmental protection.

What is WEG's warranty policy?

WEG offers an 18-month standard warranty for automation products, covering defects in workmanship and materials. The warranty requires proper transportation, handling, storage, and installation within specified environmental conditions. Repairs must be performed by authorized WEG service, and the warranty is limited to the replacement or repair of the product itself, excluding consequential damages. Extended warranty options are available, including purchasing additional coverage at 2.5% of the product's selling price per year, up to 4 additional years.

What industries and applications are WEG products used for?

WEG products are extensively used across multiple industrial sectors, including packaging equipment, material handling, food processing, pumps, medical/lab equipment, door/gate openers, office machinery, and lawn/garden applications. Their versatile DC motors and variable frequency drives (VFDs) are designed for general industrial use, with solutions ranging from off-the-shelf products to custom OEM designs that meet UL/CSA standards for diverse manufacturing and processing environments.

What technical support does WEG offer?

WEG offers comprehensive technical support through multiple channels, including a dedicated Automation Service Department accessible via toll-free phone (1-877-934-3748) and email ([email protected]). They maintain a global network of accredited service centers worldwide, which customers can locate on their website. Additionally, WEG provides warranty support and technical assistance for their industrial automation products, with pre-approval required for warranty repairs.

What are the key features of WEG products?

WEG products feature advanced industrial automation technologies with key characteristics including high performance, flexibility, and connectivity. Their flagship CFW900 Variable Speed Drive demonstrates core product strengths: intelligent thermal management, built-in safety functions, IoT readiness, advanced energy saving capabilities, and comprehensive communication protocols. WEG drives offer robust performance with features like 150% overload capacity, modern graphic HMI, plug-and-play expansion modules, and compatibility across multiple industrial segments including food and beverage, pulp and paper, and manufacturing.

What communication protocols do WEG products support?

WEG products support multiple industrial communication protocols across their product lines, including EtherNet/IP, Modbus-TCP, Modbus-RTU, CANopen, and optional protocols like Profibus-DP and DeviceNet. Specifically, the PLC500 offers 2x Gigabit Ethernet Ports, 1x CAN Port, and 1x RS485 port, enabling seamless integration with major industrial communication networks.

What environmental ratings do WEG products have?

WEG products feature multiple environmental ratings and protection classes. They offer Protection Class 3C2 as a standard coating and Protection Class 3C3 as an optional extra coating, both compliant with IEC 60721-3-3. Environmental specifications include air relative humidity from 5% to 95% non-condensing, altitude ratings up to 1,000m standard (with current derating above that), and Pollution Degree 2 classification with non-conductive pollution requirements.

What accessories are available for WEG products?

WEG offers a comprehensive range of accessories across multiple product lines. For variable frequency drives like the CFW900, accessories include I/O expansion modules, communication modules, encoder modules, temperature transducer modules, relay output modules, and HMI accessories. These accessories expand communication capabilities, input/output functions, and application flexibility. Most accessories are interchangeable between drive frames and can be installed in backplane slots, with communication network accessories limited to one per variable speed drive.

What are the main product lines offered by WEG?

WEG offers a comprehensive range of industrial automation products, including variable frequency drives (CFW series like CFW100, CFW300, CFW500), soft starters (SSW series including SSW05, SSW07, SSW900), and the innovative Motion Fleet Management (MFM) system for predictive maintenance and asset monitoring. Their product lines are designed to support industrial automation needs across various sectors, providing solutions for motor control, fleet management, and operational efficiency.

How are WEG products typically installed?

WEG products are typically installed with careful attention to mounting specifications, protection ratings, and airflow requirements. For variable speed drives like the CFW900, installation methods include surface mounting, flange mounting, and side-by-side configurations with specific clearance guidelines. Installers must follow precise dimensional requirements for each product frame size, ensuring proper ventilation and electrical connections.