WEG CFDB2-38-746 - BRAKING RESISTOR CFDB2-38-746
WEG

CFDB2-38-746

Alternate Item Number: 14403476

UPC: 7909492461753

Contact for Pricing

Overview

The WEG CFDB2-38-746 braking resistor is a high-performance OEM replacement component engineered for dynamic braking applications in industrial drive systems. Designed as a critical safety and efficiency element, this resistor dissipates excess electrical energy generated during deceleration, preventing overvoltage conditions that could damage sensitive drive electronics. As a genuine WEG part, the CFDB2-38-746 ensures seamless integration with WEG frequency inverters and motor control systems, maintaining system stability and extending equipment lifespan. Industrial braking resistors like the CFDB2-38-746 are essential in applications where rapid motor deceleration is required, such as material handling systems, cranes, elevators, and conveyor belts. These systems frequently experience regenerative energy during braking, which must be safely absorbed to protect the drive and maintain operational efficiency. The CFDB2-38-746 is specifically designed to handle these high-energy pulses while maintaining thermal stability and mechanical durability in demanding environments. Key features of the WEG CFDB2-38-746 include robust construction with high-temperature resistant materials, ensuring reliable performance even in harsh industrial conditions. The resistor’s compact design allows for versatile installation options, whether mounted directly on drive enclosures or within control panels. WEG’s engineering expertise ensures that this component meets stringent performance standards, providing consistent braking torque and energy dissipation across a wide range of operating conditions. Selecting the correct braking resistor is critical to system performance and safety. Professionals should consider factors such as power rating, resistance value, and thermal capacity when specifying a resistor for their application. The CFDB2-38-746 is optimized for compatibility with WEG drives, ensuring that it meets the exacting requirements of these systems without the need for additional modifications. This compatibility extends warranty coverage and preserves the drive’s performance characteristics, reducing downtime and maintenance costs. WEG, a global leader in industrial electric motor technology, has built a reputation for reliability and innovation in braking solutions. With decades of experience in drive systems and power electronics, WEG’s braking resistors are trusted by industries worldwide, from manufacturing and mining to renewable energy and infrastructure. The CFDB2-38-746 exemplifies this commitment to quality, offering a durable, high-efficiency solution for dynamic braking challenges. Installation of the CFDB2-38-746 is straightforward, with clear guidelines provided in WEG’s technical documentation. Proper sizing and placement are essential to maximize performance and longevity, and WEG’s support resources include sizing tools, application notes, and expert consultation to assist engineers in selecting the ideal resistor for their specific needs. By choosing a genuine WEG braking resistor, industrial operators can ensure system reliability, reduce the risk of unplanned downtime, and maintain compliance with safety and performance standards. In summary, the WEG CFDB2-38-746 braking resistor is a critical component for any industrial drive system requiring efficient and reliable energy dissipation during braking. Its OEM-grade construction, compatibility with WEG drives, and robust performance make it an ideal choice for applications where safety, efficiency, and durability are paramount. Trust WEG’s expertise to deliver a braking solution that meets the demands of modern industrial automation.
  • Genuine WEG OEM replacement part for seamless integration with WEG drives
  • Efficient energy dissipation during dynamic braking to protect drive systems
  • Robust construction with high-temperature resistant materials for harsh environments
  • Compact design for versatile installation options
  • Maintains system stability and extends equipment lifespan

Specifications

Series
CFDB2
Package Weight (Imperial)
1 LB
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BVH-29-000

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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.