WEG CFDB2-250-448 - BRAKING RESISTOR CFDB2-250-448
WEG

CFDB2-250-448

Alternate Item Number: 14403465

UPC: 7909492461647

Contact for Pricing

Overview

The WEG CFDB2-250-448 Braking Resistor is a critical component engineered to dissipate excess energy generated during the deceleration of industrial motor drives. When a motor is braked, either dynamically or regeneratively, the kinetic energy of the rotating mass is converted into electrical energy. Without a proper dissipation mechanism, this energy can lead to overvoltage conditions within the drive's DC bus, potentially causing damage or shutdown. The CFDB2-250-448 is designed to safely absorb and convert this surplus energy into heat, which is then dissipated into the surrounding environment. As a genuine OEM replacement part from WEG, a globally recognized leader in motor and drive technology, the CFDB2-250-448 ensures seamless integration and optimal performance within WEG drive systems. Utilizing authentic WEG components is paramount for maintaining the integrity of your equipment, preserving warranty coverage, and guaranteeing the long-term reliability and efficiency of your motor control solutions. This commitment to quality means you can trust the CFDB2-250-448 to perform as expected, even under demanding industrial operating conditions. This braking resistor is essential for a wide array of industrial applications where precise and rapid motor deceleration is required. Common use cases include: * **Cranes and Hoists:** Safely lowering heavy loads and stopping motion accurately. * **Elevators and Escalators:** Ensuring smooth and controlled passenger movement. * **Conveyor Systems:** Rapidly stopping or reversing material flow. * **Machine Tools:** Precise positioning and rapid stopping for manufacturing processes. * **Wind Turbines:** Managing energy during shutdown or grid disturbances. * **Automated Guided Vehicles (AGVs):** Controlled stopping and maneuvering in logistics. The selection of a braking resistor like the CFDB2-250-448 typically involves considering the motor's power rating, the drive's capacity, the required braking torque, and the duty cycle of the application. Factors such as peak power dissipation and continuous power rating are crucial for ensuring the resistor can handle the thermal load without failure. The robust construction of WEG braking resistors is designed to withstand the thermal cycling inherent in braking applications, contributing to an extended service life. Investing in the WEG CFDB2-250-448 Braking Resistor means investing in the safety, reliability, and longevity of your industrial automation infrastructure. Its purpose-built design and adherence to WEG's stringent manufacturing standards make it an indispensable component for any application demanding controlled motor deceleration and energy management.
  • Genuine WEG OEM replacement part for reliable integration.
  • Designed for safe dissipation of braking energy in motor drives.
  • Ensures drive system stability and prevents overvoltage conditions.
  • Ideal for cranes, hoists, conveyors, and other demanding applications.
  • Promotes long service life and maintains drive performance.

Specifications

Series
CFDB2
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.