WEG CFDB10-746 - BRAKING RESISTOR CFDB10-746
WEG

CFDB10-746

Alternate Item Number: 14403450

UPC: 7909492461494

Contact for Pricing

Overview

The **WEG CFDB10-746 Braking Resistor** is a high-performance OEM replacement component engineered for industrial motor drive systems requiring precise energy dissipation during braking operations. Designed as a critical safety and efficiency element, this resistor converts excess kinetic energy generated during deceleration into thermal energy, protecting variable frequency drives (VFDs) and motors from overvoltage damage while maintaining system stability. Manufactured by WEG, a globally trusted leader in industrial electrical solutions, the CFDB10-746 is built to meet the rigorous demands of heavy-duty applications across manufacturing, mining, oil & gas, and renewable energy sectors. **Key Features and Technical Benefits** The CFDB10-746 is optimized for compatibility with WEG’s extensive range of AC and DC drives, including the CFW11 and CFW500 series, ensuring seamless integration and performance alignment with existing systems. Unlike generic aftermarket alternatives, this OEM resistor is engineered to match the exact electrical and thermal specifications of WEG drives, eliminating compatibility risks and preserving warranty coverage. Its robust construction utilizes high-grade resistive elements and corrosion-resistant enclosures, delivering reliable operation in harsh industrial environments with temperatures ranging from -25°C to +60°C and altitudes up to 1000 meters. **Applications and Industry Use Cases** This braking resistor is indispensable in applications where rapid deceleration or frequent start-stop cycles are required, such as: - **Conveyor systems** in material handling facilities, where controlled braking prevents mechanical stress and extends conveyor belt life. - **Pump and fan applications** in HVAC and water treatment plants, ensuring smooth ramp-down to avoid water hammer or pressure surges. - **Cranes and hoists** in port logistics and steel manufacturing, where precise braking torque is essential for load stability and operator safety. - **Mining and quarry equipment**, including crushers and mills, where high inertia loads demand robust energy dissipation to protect drive components. - **Renewable energy systems**, such as wind turbine pitch control, where braking resistors manage energy fluctuations during grid faults or emergency stops. **Why Choose WEG for Braking Resistors?** WEG’s reputation as a premier manufacturer of industrial electrical equipment is built on decades of innovation, rigorous testing, and a commitment to quality. The CFDB10-746 leverages WEG’s proprietary materials and manufacturing processes, including advanced thermal management and vibration-resistant designs, to deliver unmatched reliability. Professionals in industrial automation, maintenance, and system integration trust WEG braking resistors for their: - **Long service life** with minimal degradation, reducing total cost of ownership. - **Compliance with international standards**, including IEC, UL, and CE certifications, ensuring global applicability. - **Easy installation and maintenance**, with standardized mounting configurations and accessible terminal blocks for quick replacement. - **Scalability**, allowing use in single or multi-resistor configurations for higher power dissipation requirements. **Selection and Installation Best Practices** When specifying a braking resistor, engineers must consider the drive’s power rating, duty cycle, and environmental conditions. The CFDB10-746 is rated for continuous operation at 746W, making it ideal for medium-duty applications. For high-duty cycles or extreme temperatures, WEG recommends consulting the drive’s manual or using WEG’s sizing tools to select the appropriate resistor model. Installation should follow WEG’s guidelines, including proper spacing for heat dissipation, secure mounting to minimize vibration, and the use of insulated cables to prevent short circuits. Regular inspection of resistive elements and connections is advised to maintain optimal performance. **WEG’s Commitment to Sustainability and Support** Beyond performance, WEG emphasizes sustainability in its product lifecycle, from energy-efficient manufacturing to recyclable materials. The CFDB10-746’s long lifespan further reduces e-waste, aligning with industrial sustainability goals. WEG’s global network of authorized distributors and technical support teams ensures prompt access to replacement parts, training, and troubleshooting assistance, minimizing downtime and maximizing operational efficiency. Invest in the **WEG CFDB10-746 Braking Resistor** to enhance the safety, reliability, and efficiency of your industrial drive systems. Trust WEG’s expertise to keep your operations running smoothly, even in the most demanding conditions.
  • Genuine WEG OEM replacement part for seamless integration with WEG drives
  • Efficient energy dissipation during braking to protect VFDs and motors
  • Robust construction for harsh industrial environments (-25°C to +60°C)
  • Compliant with IEC, UL, and CE standards for global applicability
  • Long service life with minimal maintenance requirements

Specifications

Material
High-grade resistive elements, corrosion-resistant enclosures
Series
CFDB10
Package Weight (Imperial)
1 LB
VH System Support Complete - Fits to Conduit Size NW/Metric 29/32, Color Black

BVH-29-000

VH System Support Complete - Fits to Conduit Size NW/Metric 29/32, Color Black
RESOLVER BOARD EXP-RES-I1R1-F-ADV

EXP-RES-I1R1-F-ADV

RESOLVER BOARD EXP-RES-I1R1-F-ADV
Cable Support for wood or metal studs (CJ6 Caddy) USA Made

CSS

Cable Support for wood or metal studs (CJ6 Caddy) USA Made
Standard Box Track System, End Stop

5200ES

Standard Box Track System, End Stop
10 gauge side mount V-hooks for fluorescent lighting fixtures. They are made of steel with a zinc plated finish and are wire formed. The hooks are intended for use with fluorescent lighting fixtures holding 2, 3, or 4 bulbs.

70000

10 gauge side mount V-hooks for fluorescent lighting fixtures. They are made of steel with a zinc plated finish and are wire formed. The hooks are intended for use with fluorescent lighting fixtures holding 2, 3, or 4 bulbs.

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.