WEG BFC4-11 - CONTACT BLOCK BU BFC4-11
WEG

BFC4-11

Alternate Item Number: 12499362

UPC: 7909158165568

Contact for Pricing

Overview

The WEG BFC4-11 Contact Block is a high-performance auxiliary component engineered for industrial electrical systems requiring precise and reliable switching operations. Designed as part of WEG’s trusted BFC series, this contact block integrates seamlessly with contactors and motor starters to enhance control circuit functionality. Its robust construction ensures long-term durability in harsh industrial environments, including manufacturing plants, automation systems, and heavy machinery applications where consistent electrical performance is critical. This contact block operates as an auxiliary device, providing additional switching points for control circuits in motor starters, lighting systems, and automated machinery. By complementing the main power contacts of a contactor, the BFC4-11 enables complex control logic, remote operation, and enhanced safety in industrial setups. Its electromagnetic actuation ensures rapid response times, making it ideal for applications requiring frequent switching cycles, such as conveyor systems, pumps, and HVAC units. Key features of the WEG BFC4-11 include a rugged design optimized for industrial durability, compatibility with a wide range of WEG contactors, and auxiliary contact functionality that supports auxiliary relays and control panels. The contact block is engineered to handle millions of switching operations without degradation, ensuring reliable performance in mission-critical applications. Additionally, its compact form factor allows for easy integration into control cabinets and switchgear, reducing installation complexity while maintaining high operational efficiency. Industries that benefit from the WEG BFC4-11 include automotive manufacturing, food and beverage processing, water treatment facilities, and renewable energy systems. In these sectors, reliable auxiliary contacts are essential for maintaining operational continuity, preventing downtime, and ensuring compliance with stringent safety standards. WEG’s reputation for engineering excellence and innovation in industrial automation makes the BFC4-11 a preferred choice for engineers and technicians seeking dependable solutions. Professionals selecting the BFC4-11 should consider its compatibility with existing WEG contactors, the environmental conditions of the installation site, and the specific control circuit requirements. Proper sizing, wiring, and adherence to electrical codes are essential for optimal performance. With WEG’s global support network and extensive technical documentation, users can confidently deploy the BFC4-11 in a variety of industrial applications, knowing they are backed by a manufacturer with decades of experience in power and automation solutions.
  • High-durability auxiliary contact block for industrial control circuits
  • Compatible with WEG contactors and motor starters
  • Engineered for millions of switching cycles in harsh environments
  • Compact design for easy integration into control panels
  • Supports remote operation and complex control logic

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.