WEG Strategic Partner Distributor
WEG 12518OT3E405TSC-W40 - MOTOR 125HP 4P 404/5TSC WFA2
WEG

12518OT3E405TSC-W40

UPC: 7909323934050

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Overview

The WEG 125HP 4P 404/5TSC WFA2 (SKU: 12518OT3E405TSC-W40) is a robust industrial motor engineered for heavy-duty applications requiring reliable, high-performance operation. Designed as an Open Drip-Proof (ODP) motor, this 125 horsepower, 4-pole unit delivers exceptional cooling efficiency in clean, indoor environments where external contamination is minimal. The ODP construction features ventilation openings that prevent liquid or solid particles from entering at angles up to 15 degrees from vertical, ensuring consistent airflow and thermal management without compromising protection. This motor is part of WEG’s integral horsepower line (1 HP and above), a category renowned for durability, precision engineering, and long service life across industrial sectors. WEG Motors is a global leader in electric motor technology, trusted by industries worldwide for its commitment to quality, innovation, and performance. The 125HP 4P 404/5TSC WFA2 model exemplifies this reputation, incorporating premium materials and precision manufacturing to withstand the rigors of continuous operation. Comprehensive quality testing at every stage of production guarantees reliability, reducing downtime and maintenance costs for end-users. Whether driving pumps, fans, conveyors, compressors, or machinery in manufacturing plants, processing facilities, or material handling operations, this motor provides the power and dependability required for mission-critical applications. Selecting the right motor for industrial use demands careful consideration of application requirements, environmental conditions, and operational demands. The WEG 125HP 4P 404/5TSC WFA2 is optimized for clean, controlled environments where external contaminants are not a concern, making it ideal for indoor installations in HVAC systems, water treatment plants, and food processing facilities. Its open drip-proof design ensures efficient heat dissipation while protecting internal components from incidental moisture or debris. For professionals specifying motors, key advantages include: - **High Efficiency & Energy Savings**: WEG motors are designed to meet or exceed industry efficiency standards, reducing energy consumption and operational costs over the motor’s lifespan. - **Durable Construction**: Premium materials and precision engineering ensure resistance to wear, vibration, and thermal stress, extending service life even in demanding conditions. - **Versatile Applications**: Compatible with a wide range of industrial equipment, including pumps for fluid handling, fans for ventilation, conveyors for material transport, and compressors for air systems. - **Easy Installation & Maintenance**: Standardized mounting configurations and accessible design simplify installation and servicing, minimizing downtime during routine maintenance or repairs. - **Trusted Brand Performance**: WEG’s global reputation for reliability and innovation provides peace of mind, backed by comprehensive warranties and technical support. Industries such as manufacturing, mining, agriculture, and utilities rely on WEG motors to power essential processes. The 125HP 4P 404/5TSC WFA2 is particularly well-suited for applications requiring sustained high torque and consistent speed, such as in centrifugal pumps, large-scale fans, and heavy-duty machinery drives. When paired with appropriate variable frequency drives (VFDs), this motor can further enhance energy efficiency and process control, making it a versatile choice for modern industrial operations. For engineers, plant managers, and procurement professionals, selecting a motor from WEG’s portfolio ensures access to a product backed by decades of expertise and a commitment to sustainability. The 125HP 4P 404/5TSC WFA2 is not just a component—it’s a critical investment in operational reliability and long-term productivity. Trust WEG to deliver the performance your facility demands, day in and day out.
  • 125 HP, 4-pole, Open Drip-Proof (ODP) design for clean indoor environments
  • Premium materials and precision manufacturing for long service life
  • Ideal for pumps, fans, conveyors, compressors, and machinery drives
  • Efficient cooling with ventilation openings preventing particle ingress up to 15° from vertical
  • Backed by WEG’s global reputation for reliability and comprehensive quality testing

Specifications

Poles
4P
Series
WFA2
Package Weight (Imperial)
1154.155 LB
KIT BEARING SEALING RING W3 SEAL LABYRIN

W3-SEAL-6314

KIT BEARING SEALING RING W3 SEAL LABYRIN
KIT TERMINAL BLOCK BMC 12 PINS K1M5 ORAN

TERMBLCK-112/132-12P

KIT TERMINAL BLOCK BMC 12 PINS K1M5 ORAN

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.