WEG BFC4-02 - CONTACT BLOCK BU BFC4-02
WEG

BFC4-02

Alternate Item Number: 12499360

UPC: 7909158164226

Contact for Pricing

Overview

The WEG BFC4-02 Contact Block is a high-performance auxiliary component engineered for industrial electrical systems where reliable switching and durability are critical. Designed as part of WEG’s trusted BFC series, this contact block integrates seamlessly with WEG contactors and motor starters to provide auxiliary switching functionality for control circuits, signaling, and interlocking applications. Built to withstand the rigors of industrial environments, the BFC4-02 ensures consistent performance across millions of operations, making it an essential choice for engineers and maintenance professionals seeking long-term reliability in motor control, automation, and power distribution systems. WEG, a global leader in industrial electric motors and automation solutions, manufactures the BFC4-02 with the same precision and quality that define their entire product portfolio. The contact block is designed to complement WEG’s line of contactors, including popular models like the CWB and CWM series, providing a cohesive solution for motor control centers (MCCs), conveyor systems, HVAC units, and automated manufacturing lines. Its rugged construction features high-quality silver alloy contacts that resist arcing and wear, ensuring stable electrical connections even under frequent switching cycles. The BFC4-02 is also compatible with a wide range of auxiliary contact configurations, allowing for flexible integration into complex control schemes. Selecting the right contact block for industrial applications requires careful consideration of electrical ratings, mechanical durability, and compatibility with existing systems. The WEG BFC4-02 is rated for standard industrial voltages and currents, making it suitable for auxiliary control circuits in 24V DC, 110V AC, and 220V AC systems. Its compact design allows for easy installation in tight control panels, while the modular construction simplifies maintenance and replacement. Professionals in industries such as manufacturing, mining, water treatment, and renewable energy rely on WEG’s contact blocks for their proven reliability and ease of integration with motor starters and protection relays. Installation of the BFC4-02 is straightforward, with clear labeling and mounting options that align with industry standards. WEG provides comprehensive technical documentation, including wiring diagrams and compatibility charts, to assist engineers in selecting the correct contact block for their specific application. The BFC4-02 is also UL and IEC certified, ensuring compliance with international safety and performance standards. For applications requiring high cycling rates or exposure to harsh conditions, WEG’s contact blocks are trusted for their ability to maintain consistent performance without degradation. Why choose WEG for your contact block needs? With over 60 years of innovation in industrial electric solutions, WEG is a brand synonymous with quality, durability, and technical expertise. Their contact blocks, including the BFC4-02, are backed by a global service network and a commitment to customer support. Whether you’re designing a new motor control system or upgrading an existing installation, the WEG BFC4-02 Contact Block delivers the reliability and performance required to keep your operations running smoothly. Trust WEG to provide the auxiliary switching solutions that power industries worldwide.
  • High-performance auxiliary contact block for industrial control circuits
  • Silver alloy contacts for superior arc resistance and longevity
  • Compatible with WEG contactors and motor starters (CWB, CWM series)
  • UL and IEC certified for global compliance and safety
  • Compact, modular design for easy installation and maintenance

Specifications

Series
BFC
Package Weight (Imperial)
0.075 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.