WEG BFC4-40 - CONTACT BLOCK BU BFC4-40
WEG

BFC4-40

Alternate Item Number: 12499367

UPC: 7909158164288

Contact for Pricing

Overview

The WEG BFC4-40 Contact Block is a high-performance auxiliary component engineered for seamless integration into industrial electrical systems. Designed to complement WEG’s renowned line of contactors, this contact block ensures reliable switching operations in motor starters, lighting controls, and automated machinery. Built with rugged construction and precision-engineered contacts, the BFC4-40 delivers consistent performance even in the most demanding industrial environments, where uptime and reliability are critical. **Key Features and Benefits:** - **Durable Construction:** The BFC4-40 is constructed from high-quality materials, including arc-resistant components, to withstand millions of switching cycles without degradation. This longevity reduces maintenance costs and minimizes downtime, making it an ideal choice for continuous operation applications. - **Electromagnetic Operation:** Utilizing an electromagnetic coil, the contact block enables remote control of electrical loads, allowing for automated and centralized system management. This feature is particularly valuable in industrial automation, where precise control over motors and other high-power devices is essential. - **Auxiliary Contacts:** The BFC4-40 includes auxiliary contacts that provide additional control circuit functionality, enabling complex wiring schemes and interlocking systems. These contacts are essential for applications requiring multiple switching states or fail-safe configurations. - **Arc Suppression Technology:** Equipped with advanced arc suppression mechanisms, the BFC4-40 minimizes electrical arcing during switching operations. This not only extends the lifespan of the contacts but also enhances safety by reducing the risk of electrical fires and equipment damage. - **Wide Compatibility:** Designed to integrate seamlessly with WEG’s BFC series contactors, the BFC4-40 ensures compatibility with a broad range of industrial control systems. Its standardized design allows for easy installation and replacement, reducing engineering time and costs. **Typical Applications:** The WEG BFC4-40 Contact Block is widely used across multiple industries, including manufacturing, mining, oil and gas, and water treatment. In manufacturing plants, it is commonly deployed in motor starters for conveyor systems, pumps, and HVAC units. In the mining industry, the BFC4-40 supports robust control systems for heavy-duty machinery, ensuring reliable operation in harsh conditions. For oil and gas facilities, its arc suppression capabilities make it ideal for explosive environments where safety is paramount. **Industry Standards and Certifications:** WEG is a globally recognized leader in industrial electrical solutions, and the BFC4-40 adheres to stringent international standards, including IEC, UL, and CSA certifications. These certifications validate the product’s safety, performance, and reliability, giving engineers and procurement professionals confidence in its suitability for critical applications. WEG’s commitment to quality is reflected in every aspect of the BFC4-40, from material selection to manufacturing processes. **Installation and Maintenance Considerations:** Installing the WEG BFC4-40 Contact Block is straightforward, thanks to its modular design and compatibility with standard mounting systems. Professionals should ensure proper alignment and secure fastening to prevent mechanical stress, which could affect performance. Regular inspection of contacts and arc suppression components is recommended to maintain optimal functionality. WEG provides comprehensive technical documentation and support to assist with installation, troubleshooting, and maintenance, ensuring long-term reliability. **Why Choose WEG?** WEG has established itself as a trusted name in industrial electrical solutions, with over 50 years of experience serving global markets. The company’s dedication to innovation, quality, and customer support has earned it a reputation as a preferred supplier for critical infrastructure projects. The BFC4-40 Contact Block exemplifies WEG’s commitment to delivering high-performance, durable, and safe products that meet the evolving needs of modern industry. By choosing WEG, engineers and facility managers gain access to a partner that prioritizes reliability, efficiency, and sustainability in every solution.
  • High-performance auxiliary contact block for industrial applications
  • Electromagnetic operation for remote control of electrical loads
  • Arc suppression technology for enhanced safety and longevity
  • Auxiliary contacts for complex control circuit configurations
  • Rugged construction for demanding industrial environments

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.