WEG CWCA0-04-00V18 - MINICONTACTOR BU CWCA0-04-00V18
WEG

CWCA0-04-00V18

Alternate Item Number: 12680510

UPC: 7909158545889

Contact for Pricing

Overview

The WEG CWCA0-04-00V18 Mini Contactor is a precision-engineered electromagnetic switch designed for the reliable control of motor and power circuits in industrial applications. Built by WEG, a global leader in electric motor and automation technology, this mini contactor delivers exceptional durability and performance for frequent switching operations in demanding environments. Engineered with electromagnetic coils that energize and de-energize power contacts, the CWCA0-04-00V18 enables remote control of motors, lighting systems, heating elements, and other electrical loads with unmatched reliability. This compact yet robust contactor is ideal for applications requiring high switching frequency, such as motor starters, conveyor systems, HVAC controls, and automated machinery. Its design incorporates arc suppression technology to minimize electrical arcing during operation, extending contact life and reducing maintenance requirements. The inclusion of auxiliary contacts allows for seamless integration into control circuits, enabling interlocking, signaling, and status monitoring within complex automation systems. WEG’s reputation for engineering excellence is reflected in the CWCA0-04-00V18’s rugged construction, which meets stringent industrial standards for vibration resistance, thermal stability, and electrical endurance. Professionals across industries—including manufacturing, oil & gas, mining, and renewable energy—trust WEG contactors for their consistent performance in harsh operating conditions. The contactor’s compact footprint makes it suitable for space-constrained installations, while its modular design facilitates easy integration into control panels and motor control centers. Selecting the right contactor involves evaluating coil voltage compatibility, current rating, and auxiliary contact configuration. The CWCA0-04-00V18 is optimized for low to medium power applications, offering a balance of compact size and high switching capacity. Installation is straightforward, with standard mounting options and clear labeling for quick commissioning. WEG provides comprehensive technical documentation, including wiring diagrams and application notes, to support engineers and technicians in achieving optimal system performance. For industries prioritizing reliability, energy efficiency, and long-term operational cost savings, the WEG CWCA0-04-00V18 Mini Contactor stands as a trusted solution. Its combination of WEG’s engineering expertise, robust construction, and versatile functionality makes it an essential component in modern industrial automation and motor control systems.
  • Electromagnetic coil for reliable remote motor & power circuit control
  • Arc suppression technology extends contact life & reduces maintenance
  • Auxiliary contacts for seamless integration into control circuits
  • Compact design ideal for space-constrained industrial installations
  • Rugged construction meets stringent industrial durability standards

Specifications

Series
CWCA
Package Weight (Imperial)
0.427 LB

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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.