WEG Strategic Partner Distributor
WEG CWCA0-04-00C03 - MINICONTACTOR BU CWCA0-04-00C03
WEG

CWCA0-04-00C03

Alternate Item Number: 12486873

UPC: 7909158138920

Contact for Pricing

Overview

The WEG MINICONTACTOR BU CWCA0-04-00C03 represents a cornerstone of reliable electrical control within demanding industrial environments. As an electrically-controlled switch, this contactor is engineered for the frequent and robust switching of motor and power circuits, ensuring seamless operation of critical machinery and systems. WEG, a globally recognized leader in electrical equipment manufacturing, delivers this component with a commitment to quality and performance. At its core, the CWCA0-04-00C03 utilizes an electromagnetic coil to precisely manage the closing and opening of its power contacts. This mechanism facilitates remote control capabilities, a vital feature for modern automated processes, allowing operators to manage motors and other electrical loads from a safe and convenient distance. The design prioritizes longevity, built to withstand millions of switching operations, making it an indispensable component in a wide array of applications. These include motor starters, where precise control over motor engagement and disengagement is paramount, as well as sophisticated lighting control systems and the intricate automated machinery that drives modern manufacturing. Key features inherent in the WEG MINICONTACTOR BU line, and exemplified by the CWCA0-04-00C03, include advanced arc suppression technology. This critical safety feature mitigates the damaging effects of electrical arcs generated during switching, thereby extending the lifespan of the contactor and ensuring operational safety. Furthermore, the inclusion of auxiliary contacts provides essential functionality for control circuits, enabling complex interlocking and signaling sequences that are fundamental to sophisticated automation. The rugged construction is a testament to WEG's understanding of industrial demands, ensuring this contactor can reliably perform even under harsh conditions, including exposure to dust, vibration, and fluctuating temperatures. When selecting a contactor for industrial applications, professionals consider factors such as current rating, voltage, number of poles, and auxiliary contact configurations. The WEG CWCA0-04-00C03 is designed to meet these diverse requirements, offering a dependable solution for a broad spectrum of electrical control needs. Its integration into motor control centers (MCCs), control panels, and standalone equipment underscores its versatility. The UNSPSC code 39121529 further categorizes this product within the electrical relays and contactors segment, highlighting its specific industrial utility. Choosing WEG for your contactor needs means investing in a product backed by extensive research, development, and a proven track record of delivering high-performance electrical components that drive efficiency and reliability in industrial operations worldwide.
  • Electrically-controlled switch for frequent motor and power circuit switching.
  • Utilizes electromagnetic coils for remote control of electrical loads.
  • Built for millions of switching operations, ensuring long-term reliability.
  • Features arc suppression for enhanced safety and component longevity.
  • Includes auxiliary contacts for essential control circuit functionality.

Specifications

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.