WEG CFDB2-30-3730 - BRAKING RESISTOR CFDB2-30-3730
WEG

CFDB2-30-3730

Alternate Item Number: 14403469

UPC: 7909492461685

Contact for Pricing

Overview

The WEG CFDB2-30-3730 braking resistor is a high-performance, OEM-grade component engineered for precision motor control applications in industrial environments. Designed as a genuine replacement part for WEG drive systems, this resistor delivers consistent braking torque, energy dissipation, and thermal stability to protect motors and drives from overvoltage conditions during deceleration or emergency stops. Built to meet the rigorous demands of modern industrial automation, the CFDB2-30-3730 ensures seamless integration with WEG frequency inverters, servo drives, and other variable speed drive (VSD) systems, maintaining optimal performance and extending equipment lifespan. WEG, a globally recognized leader in electric motor and drive technology, manufactures the CFDB2-30-3730 with the same exacting standards applied to their original equipment. This ensures full compatibility with existing systems, preserving warranty coverage and eliminating the risks associated with aftermarket alternatives. Professionals across industries such as material handling, HVAC, water treatment, and manufacturing rely on WEG braking resistors to enhance safety, reduce downtime, and improve energy efficiency in high-cycle applications. Key applications for the WEG CFDB2-30-3730 braking resistor include: - **Conveyor systems** in logistics and packaging, where rapid deceleration is critical to prevent load shifting or damage. - **Elevators and escalators**, ensuring smooth, controlled stops while maintaining passenger safety. - **Pumps and compressors** in water/wastewater and HVAC systems, where dynamic braking prevents water hammer and pressure surges. - **Machine tools and CNC equipment**, providing precise torque control during spindle braking and emergency stops. - **Mining and heavy industry**, where robust braking solutions withstand harsh environmental conditions and heavy loads. Selecting the right braking resistor involves evaluating power dissipation, resistance value, and thermal capacity based on motor size, duty cycle, and application demands. The CFDB2-30-3730 is engineered for continuous operation at rated power, with a compact footprint that simplifies installation in control panels or enclosures. Its durable construction resists vibration, corrosion, and temperature extremes, ensuring long-term reliability in 24/7 industrial settings. WEG’s reputation for innovation and quality extends across 30+ countries, with a global service network supporting customers in selecting, installing, and maintaining braking resistors. By choosing the CFDB2-30-3730, engineers and maintenance teams gain a trusted solution that minimizes system failures, reduces maintenance costs, and maximizes operational uptime. Whether retrofitting existing systems or designing new installations, this OEM-grade resistor delivers the performance and durability required for mission-critical applications.
  • Genuine OEM replacement part for WEG drive systems
  • High-performance braking for motor protection and energy dissipation
  • Compact, durable design for industrial environments
  • Maintains warranty coverage and system compatibility
  • Trusted by professionals in material handling, HVAC, and manufacturing

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.
PROTECTION KIT IP20-SSW06-M2

KIT IP20 SSW06 M2

PROTECTION KIT IP20-SSW06-M2
PROTECTION KIT IP20-SSW06-M4/5

KIT IP20 SSW06 M4

PROTECTION KIT IP20-SSW06-M4/5
PROTECTION KIT IP20-SSW06-M6

KIT IP20 SSW06 M6

PROTECTION KIT IP20-SSW06-M6

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.