WEG E05536ET3YAX250SMF3W - MOTOR 55kW 2P 250S/M WFF2
WEG

E05536ET3YAX250SMF3W

UPC: 7909158919871

Contact for Pricing

Overview

The WEG 55kW 2P 250S/M WFF2 explosion-proof motor (SKU: E05536ET3YAX250SMF3W) is a premium-grade industrial motor engineered for uncompromising reliability in hazardous environments. Designed to meet the most stringent safety standards, this motor is certified for use in classified areas where flammable gases, vapors, or combustible dust may be present, making it an essential component for facilities operating under NEC Article 500 and other global explosion-proof regulations. Built by WEG, a globally recognized leader in electric motor technology, this motor combines robust construction with advanced thermal management and precision engineering to deliver consistent performance in the most demanding industrial applications. At the core of this motor’s reliability is its explosion-proof enclosure, which is designed to contain any internal ignition sources—such as arcing or high temperatures—within the motor housing. This critical safety feature prevents the ignition of surrounding atmospheres, ensuring compliance with critical safety codes and protecting personnel and equipment in oil & gas, chemical processing, mining, grain handling, and other high-risk industries. The motor’s WFF2 frame size (250S/M) provides a balanced combination of power density and mechanical durability, making it suitable for both continuous-duty and intermittent applications. WEG’s commitment to quality is evident in every aspect of this motor’s design and manufacturing process. Constructed from high-grade cast iron and aluminum, the motor features corrosion-resistant coatings and precision-machined components that ensure long service life even in harsh operating conditions. The motor’s Class F insulation system and advanced thermal protection deliver superior heat dissipation, reducing the risk of overheating and extending operational reliability. Additionally, the motor is equipped with sealed bearings and a robust shaft design to minimize maintenance requirements and maximize uptime in critical production environments. This 55kW, 2-pole motor is ideal for driving a wide range of industrial equipment, including centrifugal and positive displacement pumps, high-volume fans and blowers, material handling conveyors, rotary compressors, and heavy-duty machinery drives. Its high starting torque and stable performance across variable loads make it particularly well-suited for applications requiring consistent power delivery under fluctuating conditions. Whether installed in a refinery, chemical plant, wastewater treatment facility, or mining operation, this motor delivers the performance and safety assurance that engineers and maintenance professionals demand. Professionals choose WEG motors for their proven track record in industrial applications, backed by decades of innovation and a global service network. The E05536ET3YAX250SMF3W model is part of WEG’s extensive line of explosion-proof motors, which are trusted by industry leaders worldwide for their durability, efficiency, and compliance with international standards such as IECEx, ATEX, and UL. Installation is streamlined thanks to standardized mounting dimensions and compatibility with industry-standard couplings and drive systems. Regular maintenance is simplified by accessible terminal boxes, greaseable bearings, and modular design components that reduce downtime and service costs. For facilities where safety, reliability, and regulatory compliance are non-negotiable, the WEG 55kW 2P 250S/M WFF2 explosion-proof motor stands as a benchmark in industrial motor technology. Whether powering critical process equipment or supporting auxiliary systems in hazardous locations, this motor delivers the performance, safety, and longevity that modern industrial operations require. Trusted by engineers, plant managers, and safety officers alike, WEG continues to set the standard for explosion-proof motor solutions in industries where failure is not an option.
  • Explosion-proof construction for Class I, II, III hazardous locations
  • 55kW power output with 2-pole design for high-speed applications
  • WFF2 frame size (250S/M) for balanced power and durability
  • Class F insulation with superior thermal protection and heat dissipation
  • Corrosion-resistant cast iron and aluminum housing for harsh environments
  • Sealed bearings and robust shaft design for low maintenance and long service life
  • Compliant with NEC Article 500, IECEx, ATEX, and UL standards
  • Ideal for pumps, fans, conveyors, compressors, and industrial machinery drives

Specifications

Material
Cast Iron, Aluminum
Poles
2P
Series
WFF2
Size
250S/M
Size
250S/M (WFF2)
Package Weight (Imperial)
1167.045 LB
KIT BEARING SEALING RING W3 SEAL LABYRIN

W3-SEAL-6314

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

SSR30039L

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.