WEG Strategic Partner Distributor
WEG CWCA0-31-00C03 - MINICONTACTOR BU CWCA0-31-00C03
WEG

CWCA0-31-00C03

Alternate Item Number: 12486870

UPC: 7909158138463

Contact for Pricing

Overview

The WEG CWCA0-31-00C03 Mini Contactor is a robust, electrically-operated switching device engineered for high-performance industrial applications where reliable control of motor and power circuits is critical. Designed by WEG, a global leader in electric motor and automation technology, this mini contactor combines durability, efficiency, and precision to meet the demands of modern industrial environments. Whether used in motor starters, lighting control systems, or automated machinery, the CWCA0-31-00C03 delivers consistent performance across millions of switching cycles, ensuring operational reliability and reduced downtime. This mini contactor operates on the principle of electromagnetic actuation, where an energized coil generates a magnetic field that closes the power contacts, enabling remote control of electrical loads. Upon de-energization, the coil releases the contacts, opening the circuit safely. The CWCA0-31-00C03 is particularly well-suited for applications requiring frequent switching, such as conveyor systems, pumps, HVAC units, and automated production lines. Its compact design makes it ideal for space-constrained installations, while its rugged construction ensures resilience against dust, vibration, and thermal stress common in industrial settings. Key features of the WEG CWCA0-31-00C03 include integrated arc suppression technology, which minimizes electrical arcing during switching operations to extend contactor lifespan and reduce maintenance requirements. The device also supports auxiliary contacts, allowing for seamless integration into control circuits for monitoring, signaling, or interlocking purposes. WEG’s engineering excellence is evident in the contactor’s optimized magnetic system, which enhances energy efficiency and reduces heat generation, contributing to lower operational costs and improved system longevity. Industries that rely on the CWCA0-31-00C03 span manufacturing, agriculture, mining, and commercial facilities, where reliable power control is essential for productivity and safety. Professionals in these sectors trust WEG for its proven track record in delivering high-quality electrical components backed by comprehensive technical support and global service networks. When selecting a mini contactor, engineers and technicians prioritize factors such as switching frequency, load capacity, environmental resilience, and compatibility with existing control systems. The CWCA0-31-00C03 excels in all these areas, making it a preferred choice for OEMs and end-users alike. Installation of the WEG CWCA0-31-00C03 is straightforward, with standardized mounting options and clear terminal labeling for easy wiring. The contactor’s modular design allows for quick replacement or upgrade, reducing maintenance time and costs. WEG provides detailed technical documentation, including wiring diagrams and application notes, to support seamless integration into new or existing systems. For professionals seeking a dependable, high-performance mini contactor, the CWCA0-31-00C03 from WEG stands out as a cost-effective solution that balances performance, durability, and ease of use.
  • Electromagnetic actuation for remote motor and power circuit control
  • Arc suppression technology for extended contactor lifespan
  • Compact design ideal for space-constrained industrial installations
  • Auxiliary contacts for seamless integration into control circuits
  • Rugged construction for durability in harsh industrial environments

Specifications

Series
CWCA
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.