WEG Strategic Partner Distributor
WEG CWCA0-40-00V18 - MINICONTACTOR BU CWCA0-40-00V18
WEG

CWCA0-40-00V18

Alternate Item Number: 12680509

UPC: 7909158545810

Contact for Pricing

Overview

The **WEG MINICONTACTOR BU CWCA0-40-00V18** is a high-performance, electrically-operated switch engineered for the rigorous demands of industrial motor control, power distribution, and automation systems. Designed by WEG—a global leader in electrical engineering and motor solutions—the CWCA0-40-00V18 delivers exceptional reliability, durability, and operational efficiency in applications requiring frequent switching of motor and power circuits. As a critical component in motor starters, lighting controls, and automated machinery, this contactor ensures seamless performance in harsh industrial environments while maintaining compliance with international safety and performance standards. **Core Functionality and Design** This WEG contactor operates on electromagnetic principles, utilizing a coil to energize and de-energize internal contacts, thereby enabling remote control of electrical loads. The CWCA0-40-00V18 is optimized for applications where consistent, high-cycle switching is required, such as in conveyor systems, pumps, HVAC units, and industrial machinery. Its robust construction incorporates arc suppression technology to minimize electrical arcing during operation, extending contact life and reducing maintenance requirements. Additionally, the contactor includes auxiliary contacts for control circuit integration, allowing for enhanced monitoring and signaling in complex automation networks. **Key Features and Benefits** - **High Durability and Longevity**: Engineered for millions of switching operations, the CWCA0-40-00V18 is built to withstand the rigors of industrial duty cycles, reducing downtime and replacement costs. - **Arc Suppression Technology**: Integrated arc suppression minimizes contact erosion and electrical noise, ensuring safer operation and prolonged component lifespan. - **Remote Control Capability**: Enables centralized control of motors and loads, improving operational flexibility and safety in automated systems. - **Auxiliary Contacts for Control Circuits**: Facilitates integration with PLCs, relays, and other control devices, enhancing system monitoring and diagnostics. - **Rugged Industrial Construction**: Designed to operate reliably in extreme temperatures, humidity, and vibration, making it ideal for manufacturing plants, mining, oil & gas, and other demanding sectors. **Typical Applications** The WEG MINICONTACTOR BU CWCA0-40-00V18 is widely deployed across multiple industries where precise motor control and power distribution are critical. Common applications include: - **Motor Starters**: Used in across-the-line starters, reversing starters, and reduced-voltage starters for AC and DC motors. - **Lighting Controls**: Ideal for high-cycle lighting systems in warehouses, stadiums, and commercial facilities. - **HVAC Systems**: Controls compressors, fans, and pumps in heating, ventilation, and air conditioning systems. - **Automated Machinery**: Integrates into CNC machines, robotic systems, and conveyor belts for reliable operation in smart factories. - **Power Distribution**: Manages loads in switchgear, panelboards, and distribution boards in industrial and commercial electrical systems. **Selection and Installation Considerations** When specifying the CWCA0-40-00V18, professionals should evaluate the electrical characteristics of the load, including voltage, current, and duty cycle. WEG’s contactors are designed to meet or exceed IEC, UL, and other international standards, ensuring compatibility with global electrical infrastructures. Proper sizing is essential to prevent overheating and premature wear, so consulting WEG’s technical documentation or a certified distributor is recommended. Installation should follow manufacturer guidelines, including adequate spacing for heat dissipation, secure mounting, and proper wiring to auxiliary contacts for control circuit integration. **Why Choose WEG?** WEG is a trusted name in industrial electrical solutions, renowned for innovation, quality, and customer support. With decades of experience in motor control and power distribution, WEG’s contactors are deployed in critical applications worldwide, from automotive manufacturing to renewable energy projects. The CWCA0-40-00V18 exemplifies this legacy, offering a balance of performance, reliability, and cost-effectiveness. Backed by comprehensive warranties and global service networks, WEG ensures minimal downtime and maximum operational uptime for industrial operators. For engineers, maintenance teams, and procurement professionals seeking a dependable contactor for high-cycle applications, the **WEG MINICONTACTOR BU CWCA0-40-00V18** delivers unmatched performance and peace of mind in even the most demanding environments.
  • Electromagnetic operation for remote motor and power circuit control
  • Arc suppression for extended contact life and reduced maintenance
  • Auxiliary contacts for seamless integration with control circuits
  • Rugged construction for harsh industrial environments
  • Millions of switching cycles for high-duty applications

Specifications

Color
Blue
Material
Poly
Series
CWCA0
Package Weight (Imperial)
0.427 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.