WEG 25018ST3HIE449T-W22 - MOTOR 250HP 4P 447/9T WFF2
WEG

25018ST3HIE449T-W22

UPC: 7909836567974

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Overview

The WEG 250HP 4P 447/9T WFF2 (SKU: 25018ST3HIE449T-W22) is an IEEE 841 severe-duty industrial motor engineered for uncompromising reliability in the most demanding applications. Designed by WEG, a global leader in electric motor technology, this 250-horsepower, 4-pole motor delivers exceptional performance in petroleum, chemical, and petrochemical facilities where continuous operation and harsh environmental conditions are standard. Built to withstand extreme temperatures, moisture, and corrosive atmospheres, this motor is a trusted solution for facilities prioritizing uptime and operational safety. This motor features WEG’s proprietary moisture-resistant insulation system, which prevents electrical breakdown in humid or chemically saturated environments—a critical advantage in refineries, chemical processing plants, and offshore platforms. The corrosion-resistant construction, including stainless steel hardware and specially coated enclosures, ensures long-term durability even when exposed to salt spray, acids, or alkaline substances. Enhanced bearing systems with lifetime lubrication and precision machining reduce maintenance intervals and extend service life, minimizing costly downtime in critical operations. WEG motors are manufactured under stringent quality controls and tested to meet or exceed IEEE 841 standards for severe-duty applications. The 250HP 4P 447/9T WFF2 is optimized for continuous duty cycles, making it ideal for driving heavy-duty equipment such as centrifugal pumps, high-capacity fans, screw and reciprocating compressors, and material handling conveyors. Its robust design also supports variable frequency drive (VFD) compatibility, allowing for energy-efficient operation in variable-load applications without compromising performance. Professionals in industrial maintenance and plant engineering rely on WEG for motors that combine premium materials, precision engineering, and field-proven reliability. The WEG brand is synonymous with innovation and durability, with decades of experience serving the energy, mining, water treatment, and manufacturing sectors. This motor is not only a component—it is a strategic investment in operational continuity, designed to reduce lifecycle costs and enhance system efficiency. Whether deployed in a new facility or as a replacement in an existing system, the WEG 250HP 4P 447/9T WFF2 delivers the performance, protection, and longevity required in today’s industrial landscape. Trusted by engineers worldwide, it represents the gold standard in severe-duty motor technology.
  • IEEE 841 severe-duty compliant for harsh environments
  • Moisture-resistant insulation system prevents electrical failure
  • Corrosion-resistant construction with stainless steel hardware
  • Enhanced bearing system with lifetime lubrication
  • Compatible with VFDs for energy-efficient variable-load operation
  • Designed for continuous duty in petroleum, chemical, and petrochemical industries
  • Trusted WEG engineering with global reliability track record
  • Ideal for pumps, fans, compressors, and material handling systems

Specifications

Material
Corrosion-resistant construction, stainless steel hardware, specially coated enclosures
Poles
4P
Poles
4
Series
WFF2
Size
447/9T
Package Weight (Imperial)
3036.535 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.