WEG CWCA0-40-00L03 - MINICONTACTOR BU CWCA0-40-00L03
WEG

CWCA0-40-00L03

Alternate Item Number: 12486882

UPC: 7909158138845

Contact for Pricing

Overview

The WEG MINICONTACTOR BU CWCA0-40-00L03 is a high-performance, electrically-controlled switch engineered for the demanding requirements of industrial automation and power control. This compact yet robust contactor is designed for frequent and reliable switching of motor and power circuits, making it an indispensable component in a wide array of industrial applications. At its core, the CWCA0-40-00L03 utilizes a powerful electromagnetic coil to precisely manage the opening and closing of its main power contacts. This mechanism facilitates remote operation and automated control of electric motors, lighting systems, heating elements, and other significant electrical loads. WEG has built this MINICONTACTOR to withstand the rigors of continuous industrial operation, ensuring millions of reliable switching cycles. Its design prioritizes longevity and consistent performance, even in challenging environments characterized by dust, vibration, and fluctuating temperatures. Key features of the WEG CWCA0-40-00L03 MINICONTACTOR include integrated arc suppression technology, which effectively mitigates electrical arcing during contact switching. This not only enhances safety but also significantly extends the lifespan of the contactor's internal components. Furthermore, the inclusion of auxiliary contacts provides essential functionality for control circuits, enabling complex interlocking schemes, signaling, and feedback mechanisms within automated systems. The rugged construction of this WEG contactor ensures its durability and reliability in harsh industrial settings, a hallmark of WEG's commitment to quality and performance. Applications for the CWCA0-40-00L03 are extensive and span across numerous industries. It is a critical element in motor starters, where it provides the primary switching function for protecting and controlling electric motors. In lighting control systems, it enables efficient and automated management of large lighting arrays. Within automated machinery and process control systems, this contactor plays a vital role in sequencing operations and managing power distribution. Its versatility makes it suitable for use in manufacturing plants, water treatment facilities, HVAC systems, and any scenario requiring reliable, remote electrical load switching. When selecting a contactor like the WEG CWCA0-40-00L03, engineers and technicians consider factors such as voltage and current ratings, coil voltage, number of poles, and the presence of auxiliary contacts. The WEG brand is globally recognized for its high-quality electrical equipment, and this MINICONTACTOR exemplifies their dedication to providing dependable solutions for industrial power management. Its compact form factor allows for efficient panel space utilization, a crucial consideration in modern industrial control cabinets. Trust the WEG CWCA0-40-00L03 for precise, reliable, and durable electrical control in your critical applications.
  • WEG CWCA0-40-00L03 MINICONTACTOR BU for industrial control
  • Electrically-controlled switch for frequent motor and power circuit switching
  • Utilizes electromagnetic coils for remote operation
  • Designed for millions of switching operations
  • Features arc suppression and auxiliary contacts for control circuits

Specifications

Current Rating
40 A
Series
CWCA0
Package Weight (Imperial)
0.504 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-20

BFB-20

CONTACT BLOCK BU BFB-20

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.