WEG CFDB5-38-2984 - BRAKING RESISTOR CFDB5-38-2984
WEG

CFDB5-38-2984

Alternate Item Number: 14403578

UPC: 7909492462439

Contact for Pricing

Overview

The **WEG CFDB5-38-2984 braking resistor** is a premium OEM-grade component engineered for high-efficiency energy dissipation in industrial drive systems. Designed as a genuine replacement part for WEG motor drives, this resistor ensures optimal braking performance while maintaining system integrity and longevity. As a trusted component from one of the world’s leading motor and drive manufacturers, the CFDB5-38-2984 delivers uncompromising reliability, compatibility, and durability—critical for demanding industrial environments where downtime is not an option. **Primary Function and Technical Role** Braking resistors are essential in variable frequency drive (VFD) systems, where they safely dissipate excess kinetic energy generated during deceleration or emergency stops. The WEG CFDB5-38-2984 is specifically engineered to handle high thermal loads, converting surplus electrical energy into heat and preventing overvoltage conditions that could damage sensitive drive components. Its robust construction and precise thermal management make it ideal for applications requiring rapid, controlled braking without compromising system safety or efficiency. **Key Applications and Industry Use Cases** This braking resistor is widely used across a broad spectrum of industrial sectors, including: - **Material Handling**: Conveyor systems, cranes, and hoists where precise load control and frequent braking are required. - **Mining and Heavy Equipment**: Excavators, drilling rigs, and haulage systems operating in harsh, high-load environments. - **Pulp and Paper**: High-inertia machines such as winders and unwinders that demand reliable braking to prevent web breaks. - **Oil and Gas**: Pumping stations and compressors where sudden stops or load fluctuations are common. - **Renewable Energy**: Wind turbine pitch control systems and solar tracking mechanisms requiring dynamic braking. The CFDB5-38-2984 is particularly well-suited for applications where space is constrained, as its compact design integrates seamlessly into existing drive enclosures without requiring extensive modifications. **Why Choose Genuine WEG Components?** Selecting an OEM replacement like the WEG CFDB5-38-2984 ensures full compatibility with your drive system, eliminating risks associated with third-party or aftermarket parts. Genuine WEG components are rigorously tested to meet the manufacturer’s exacting standards, preserving warranty coverage and maintaining the performance characteristics of your original equipment. This is especially critical in industrial settings where system reliability directly impacts productivity, safety, and total cost of ownership. **Installation and Maintenance Considerations** Proper installation of the CFDB5-38-2984 is straightforward when following WEG’s guidelines, which typically include: - Mounting the resistor in a well-ventilated area to ensure adequate heat dissipation. - Ensuring secure electrical connections to prevent arcing or loose terminations. - Regular inspection for signs of overheating, corrosion, or physical damage. WEG’s braking resistors are designed for minimal maintenance, but periodic checks of resistance values and thermal performance are recommended to ensure long-term reliability. The resistor’s durable construction—often featuring high-grade stainless steel or coated elements—resists environmental stressors such as vibration, dust, and moisture, making it suitable for both indoor and outdoor installations. **Industry Trust and Manufacturer Reputation** WEG is a globally recognized leader in electric motor and drive technology, with a reputation for innovation, quality, and customer support. The company’s braking resistors, including the CFDB5-38-2984, are trusted by engineers and maintenance professionals worldwide for their consistent performance in critical applications. By choosing WEG, you’re not just purchasing a component—you’re investing in a solution backed by decades of expertise, extensive testing, and a commitment to reducing operational risks. For industries where precision, safety, and uptime are non-negotiable, the WEG CFDB5-38-2984 braking resistor stands as a proven solution. Whether you’re replacing an existing unit or specifying a new system, this resistor delivers the reliability and efficiency required to keep your operations running smoothly.
  • Genuine WEG OEM replacement part for optimal compatibility and warranty preservation
  • High-efficiency energy dissipation for safe braking in industrial drive systems
  • Compact design for seamless integration into existing enclosures
  • Rugged construction resists vibration, dust, and moisture for outdoor/indoor use
  • Minimal maintenance with durable stainless steel or coated resistive elements

Specifications

Material
Stainless Steel
Series
CFDB5
Package Weight (Imperial)
1 LB
Hanger, Conduit and Pipe, EMT Size 1 Inch, Rigid Conduit or Pipe 1 Inch, Stainless Steel, without Bolt

6H2 SS

Hanger, Conduit and Pipe, EMT Size 1 Inch, Rigid Conduit or Pipe 1 Inch, Stainless Steel, without Bolt

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.