WEG E03718EP3YAX225SMF3W - MOTOR 37kW 4P 225S/M WFF2
WEG

E03718EP3YAX225SMF3W

UPC: 7909158150755

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Overview

The WEG E03718EP3YAX225SMF3W is a high-performance, 37kW (50 HP) 4-pole industrial motor engineered for explosive atmospheres and classified hazardous locations. Designed with WEG’s signature explosion-proof construction, this motor (SKU: E03718EP3YAX225SMF3W) meets stringent NEC Article 500 requirements, ensuring safe operation in environments where flammable gases, vapors, or combustible dust may be present. Built to withstand the most demanding industrial applications, the WFF2 cooling system provides optimal thermal management, while the 225S/M frame size offers robust durability and easy integration into existing systems. WEG’s explosion-proof motors are trusted by engineers and facility managers across oil & gas, chemical processing, mining, wastewater treatment, and manufacturing industries. These motors are specifically designed to contain any internal ignition sources—such as arcing or high temperatures—within the motor enclosure, preventing them from igniting surrounding atmospheres. This critical safety feature makes them indispensable in facilities where explosive hazards are a constant concern, including refineries, grain elevators, paint booths, and chemical plants. Key applications for the WEG E03718EP3YAX225SMF3W include driving pumps, fans, compressors, conveyors, and industrial machinery in hazardous locations. The motor’s 225S/M frame size ensures compatibility with a wide range of mechanical loads, while its 4-pole design delivers a synchronous speed of 1,500 RPM (50 Hz) or 1,800 RPM (60 Hz), making it suitable for both constant and variable torque applications. WEG’s motors are manufactured using premium-grade materials, including high-strength cast iron for the frame and end shields, and precision-machined components to ensure long-term reliability and minimal maintenance. Installation and maintenance are streamlined thanks to WEG’s modular design and compliance with international standards such as IEC, NEMA, and ATEX. The motor’s WFF2 cooling method—featuring an external fan mounted on the non-drive end—ensures efficient heat dissipation even in high-temperature environments. For professionals selecting explosion-proof motors, WEG’s reputation for quality, durability, and compliance with global safety regulations makes it a preferred choice. With comprehensive quality testing, including vibration analysis, thermal imaging, and dielectric strength tests, each motor is validated for peak performance before deployment. WEG’s commitment to innovation and sustainability is evident in the E03718EP3YAX225SMF3W, which is designed for energy efficiency and reduced total cost of ownership. The motor’s high efficiency rating minimizes power consumption, lowering operational costs while meeting or exceeding regulatory energy standards. Whether retrofitting existing systems or specifying new equipment, engineers rely on WEG’s explosion-proof motors to deliver uncompromising safety, reliability, and performance in the most challenging industrial environments.
  • 37kW (50 HP) 4-pole motor with 225S/M frame size
  • Explosion-proof construction for NEC Article 500 classified areas
  • WFF2 cooling system for optimal thermal management
  • Suitable for pumps, fans, compressors, and conveyors in hazardous environments
  • Manufactured by WEG with premium materials and rigorous quality testing

Specifications

Poles
4P
Series
WFF2
Size
225S/M
Package Weight (Imperial)
955.863 LB
KIT BEARING SEALING RING W3 SEAL LABYRIN

W3-SEAL-6314

KIT BEARING SEALING RING W3 SEAL LABYRIN
SPARE PARTS BLUFFT ELECTRONIC STARTER

SSR30047L

SPARE PARTS BLUFFT ELECTRONIC STARTER

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.