WEG BFCA-31 - CONTACT BLOCK BU BFCA-31
WEG

BFCA-31

Alternate Item Number: 12499384

UPC: 7909158165537

Contact for Pricing

Overview

The WEG BFCA-31 Contact Block is a critical component for robust industrial electrical control systems. Designed by WEG, a globally recognized leader in motor and drive technology, this contact block ensures reliable and safe operation of electrical circuits. It functions as an auxiliary contact for WEG contactors, providing essential signaling and control capabilities within motor starters, automated machinery, and power distribution panels. Electrically-controlled switches, commonly known as contactors, are fundamental to modern industrial automation. They utilize an electromagnetic coil to actuate a set of power contacts, allowing for the remote and frequent switching of high-power loads such as electric motors, lighting systems, and heating elements. The WEG BFCA-31 contact block integrates seamlessly with WEG contactor assemblies, expanding their functionality. These blocks are engineered to handle millions of switching operations, a testament to their durability and the rigorous quality standards upheld by WEG. Key features of the WEG BFCA-31 include its role in providing auxiliary contacts. These contacts are typically used for signaling purposes, such as indicating the status of the main power contacts (e.g., open or closed) to control logic, PLCs, or operator interfaces. They can also be used to implement interlocking logic, ensuring that certain operations can only occur when specific conditions are met, thereby enhancing system safety and preventing operational errors. The design of these blocks often incorporates arc suppression mechanisms to safely extinguish any electrical arcs that may form during switching, prolonging the life of the contacts and ensuring operational integrity. Applications for the WEG BFCA-31 are widespread across various industrial sectors. This includes manufacturing plants, process industries, building automation, and any environment requiring reliable motor control and power switching. Whether used in motor starters for pumps, fans, conveyors, or in control panels for complex machinery, the BFCA-31 contributes to the overall efficiency and safety of the electrical system. Its rugged construction is specifically tailored to withstand the demanding conditions often found in industrial settings, including vibration, temperature fluctuations, and potential exposure to dust and moisture. When selecting contact blocks, professionals consider factors such as the required number and type of auxiliary contacts (normally open or normally closed), the voltage and current ratings of the control circuit, and compatibility with the specific WEG contactor model. The WEG BFCA-31 is designed for straightforward installation, minimizing downtime during maintenance or system upgrades. Trusting WEG for your contactor and contact block needs means investing in proven reliability and performance, backed by a manufacturer with a deep understanding of industrial electrical requirements. This commitment to quality ensures that your critical operations remain powered and controlled effectively.
  • WEG BFCA-31 Auxiliary Contact Block for industrial applications
  • Ensures reliable electrical connections and operational integrity
  • Designed for frequent switching in motor and power circuits
  • Rugged construction for demanding industrial environments
  • Compatible with WEG contactor assemblies for expanded control

Specifications

Package Weight (Imperial)
0.097 LB
COIL BL URMP V37

URMP V37

COIL BL URMP V37

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.