WEG BCA4-40V18 - COIL BCA4-40V18
WEG

BCA4-40V18

Alternate Item Number: 10187579

UPC: 7890355187197

Contact for Pricing

Overview

The WEG BCA4-40V18 Contactor Coil is a critical component for reliable industrial electrical control systems. Designed by WEG, a globally recognized leader in motor and drive technology, this coil serves as the electromagnetic heart of a contactor, enabling the precise and remote operation of power circuits. Contactor coils are engineered for frequent and demanding switching cycles, making them indispensable for applications involving motor starters, lighting control systems, and the automation of heavy machinery across various industrial sectors. At its core, the BCA4-40V18 coil utilizes electromagnetic principles to actuate the main power contacts of a WEG contactor. When energized by a control voltage, the coil generates a magnetic field that pulls an armature, thereby closing or opening the power circuit. This mechanism allows for safe and efficient control of high-power loads from a remote location, a fundamental requirement for modern industrial automation and safety protocols. The robust construction and high-quality materials used in WEG coils ensure longevity and consistent performance, even under harsh operating conditions typical of manufacturing plants, processing facilities, and infrastructure projects. Key benefits of integrating the WEG BCA4-40V18 coil into your system include: * **Enhanced Control:** Facilitates remote and automated control of motors and other electrical loads, improving operational efficiency and safety. * **Durability:** Built to withstand millions of switching operations, ensuring a long service life and minimizing downtime. * **Reliability:** WEG's commitment to quality engineering guarantees dependable performance, crucial for uninterrupted industrial processes. * **Versatility:** Suitable for a wide range of applications, from simple motor starting to complex automated sequences. This contactor coil is designed to be a direct replacement or a key component in new installations requiring precise power switching. Its integration into motor control centers (MCCs), programmable logic controller (PLC) outputs, and standalone motor starters underscores its importance in maintaining operational continuity. When selecting a contactor coil, professionals consider factors such as the required control voltage, the contactor's power rating, and the environmental conditions of the installation. The WEG BCA4-40V18 coil is engineered to meet these stringent demands, offering peace of mind and superior operational performance for your critical industrial applications. Trust WEG for your essential electrical control components, ensuring your operations run smoothly and efficiently.
  • WEG BCA4-40V18 Contactor Coil for industrial applications
  • Electrically-controlled switch for frequent power circuit operation
  • Utilizes electromagnetic coil for remote motor and load control
  • Designed for millions of switching operations, ensuring durability
  • Essential component for motor starters, lighting controls, and automated machinery

Specifications

Package Weight (Imperial)
0.264 LB
GMD-16M DC240V 3W 1b EXP (GMD16M-30-01-UD-3W-S-E)

1270040900

GMD-16M DC240V 3W 1b EXP (GMD16M-30-01-UD-3W-S-E)
MT-63 34A 3D SCREW EXP (MT63-3D-34-S-E)

1311001000

MT-63 34A 3D SCREW EXP (MT63-3D-34-S-E)
One-hole, metric conductor, standard barrel with window lug, 4-6mm wire, M8 stud hole.

LCMA6-8-C

One-hole, metric conductor, standard barrel with window lug, 4-6mm wire, M8 stud hole.
Ground Lug

DNGL

Ground Lug
CONTACT BLOCK BU BLB-02

BLB-02

CONTACT BLOCK BU BLB-02
CONTACT BLOCK BU BFB-40

BFB-40

CONTACT BLOCK BU BFB-40

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.