WEG DBW040380D3848SZ - BRAKING MODULE DBW040380D3848SZ
WEG

DBW040380D3848SZ

UPC: 7909265703233

Contact for Pricing

Overview

The WEG DBW040380D3848SZ is an external dynamic braking module designed for industrial Variable Frequency Drive (VFD) systems, specifically compatible with WEG CFW11 drives in T4 configurations, Frames H (380-480VAC). Manufactured by WEG, a global leader in motor and drive technology, this module is engineered to dissipate excess regenerative energy generated during motor deceleration. This function is critical for preventing overvoltage conditions on the VFD's DC bus, thereby ensuring stable operation and protecting sensitive VFD components. With a voltage rating of 380-480 VAC and a current rating of 40 A, the DBW040380D3848SZ provides robust braking capability. Its application is vital in systems requiring precise control over stopping torque and rapid deceleration, such as cranes, hoists, elevators, and other machinery where the motor may act as a generator during load-driven slowdowns. By actively managing this regenerative energy, the module enhances operational safety, reduces stress on the VFD, and contributes to extending the overall lifespan of the drive system. This module is a key component for maintaining system integrity and performance in demanding industrial environments.
  • External Dynamic Braking Module for WEG CFW11 VFDs (T4, Frame H)
  • Voltage Rating: 380-480 VAC
  • Current Rating: 40 A
  • Dissipates regenerative energy to prevent DC bus overvoltage
  • Enhances VFD stability and component lifespan

Specifications

Series
CFW900
Series
DBW
Package Weight (Imperial)
39.897 LB
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61059113

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181B0399

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BRAIDED CONDUCTOR Cu 250A 250 mm

W558507

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6-32 Square Drive Round Head Machine Screw Kit, 1/2" (100), 3/4" (90), 1" (65), 1-1/4" (50), 1-1/2" (40) and 2" (35), Zinc Plate

39524

6-32 Square Drive Round Head Machine Screw Kit, 1/2" (100), 3/4" (90), 1" (65), 1-1/4" (50), 1-1/2" (40) and 2" (35), Zinc Plate

Frequently Asked Questions

What is the voltage rating for the WEG DBW040380D3848SZ braking module?

The WEG DBW040380D3848SZ braking module has a voltage rating of 380-480 VAC.

What is the current rating of the DBW040380D3848SZ braking module?

The WEG DBW040380D3848SZ braking module has a current rating of 40 A.

Which WEG VFD series is the DBW040380D3848SZ compatible with?

The WEG DBW040380D3848SZ is an external dynamic braking module for WEG CFW11 drives in T4 configurations, Frames H.

What is the primary function of the WEG DBW040380D3848SZ braking module?

The primary function is to dissipate excess regenerative energy generated during motor deceleration, preventing overvoltage on the VFD's DC bus.

Where is the WEG DBW040380D3848SZ braking module manufactured?

The WEG DBW040380D3848SZ braking module is manufactured in Brazil (BR).

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.