WEG CFDB5-5-55950 - BRAKING RESISTOR CFDB5-5-55950
WEG

CFDB5-5-55950

Alternate Item Number: 14403532

UPC: 7909492462194

Contact for Pricing

Overview

The WEG CFDB5-5-55950 braking resistor is a high-performance OEM replacement component engineered for dynamic braking applications in industrial drive systems. Designed to dissipate excess energy generated during deceleration, this resistor safeguards variable frequency drives (VFDs), motors, and other critical components from damage caused by regenerative braking currents. Manufactured by WEG—one of the world’s leading providers of industrial electric motors and automation solutions—the CFDB5-5-55950 delivers uncompromising reliability, efficiency, and durability in demanding industrial environments. Braking resistors like the CFDB5-5-55950 are essential in applications where rapid motor deceleration is required, such as in material handling systems, cranes, elevators, and conveyor belts. When a motor operates as a generator during braking, it produces electrical energy that must be safely absorbed to prevent overvoltage conditions that can damage drive electronics. The CFDB5-5-55950 is specifically designed to handle these transient energy spikes, converting excess electrical energy into heat and dissipating it safely into the environment. This not only protects the drive system but also enhances operational safety and extends equipment lifespan. WEG’s braking resistors are trusted by engineers and maintenance professionals across industries including mining, steel production, pulp and paper, and wastewater treatment, where reliability under harsh conditions is non-negotiable. The CFDB5-5-55950 is built to meet stringent industrial standards and undergoes rigorous testing to ensure consistent performance in high-temperature, high-vibration environments. Its robust construction and high thermal capacity make it ideal for continuous or intermittent braking cycles, reducing downtime and maintenance costs. Using genuine OEM parts like the WEG CFDB5-5-55950 is critical for maintaining system integrity and warranty compliance. Aftermarket or incompatible resistors may not match the electrical characteristics or thermal performance of the original equipment, leading to inefficiencies, overheating, or even catastrophic failure. By selecting the CFDB5-5-55950, you ensure seamless integration with WEG drives and controllers, preserving system efficiency and protecting your investment. Installation is straightforward when following WEG’s guidelines: the resistor should be mounted in a well-ventilated area away from flammable materials, with proper spacing to allow heat dissipation. It is typically connected in parallel to the DC bus of the drive, and the correct resistance value (as specified in your drive documentation) must be used to match the system’s braking requirements. WEG provides comprehensive technical documentation and support to assist with selection, installation, and maintenance, ensuring optimal performance throughout the product’s lifecycle. In summary, the WEG CFDB5-5-55950 braking resistor is more than just a component—it is a critical safety and performance enabler for industrial braking systems. Whether you’re upgrading an existing system or replacing a worn-out resistor, choosing the genuine WEG part guarantees compatibility, reliability, and peace of mind. Trust in WEG’s legacy of innovation and quality to keep your operations running smoothly and safely.
  • Genuine OEM replacement part from WEG for CFDB5-5-55950 braking resistor
  • Designed for dynamic braking in industrial drive systems to dissipate excess energy safely
  • Protects VFDs, motors, and controllers from overvoltage damage during deceleration
  • High thermal capacity and robust construction for reliable performance in harsh environments
  • Ensures compatibility, warranty compliance, and long service life when used as specified

Specifications

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.