WEG CWM12-00-20V18 - CONTACTOR CWM12-00-20V18
WEG

CWM12-00-20V18

Alternate Item Number: 10047430

UPC: 7890355180358

Contact for Pricing

Overview

The WEG CWM12-00-20V18 contactor is a high-performance, electrically-operated switch engineered for reliable motor control and power circuit management in industrial environments. Designed by WEG, a global leader in electrical engineering solutions, this 20A contactor features a 24V DC coil voltage, making it ideal for integration into automation systems, motor starters, and control panels where precise switching operations are critical. With a robust construction and electromagnetic operation, the CWM12-00-20V18 ensures millions of reliable switching cycles, reducing downtime and maintenance costs in demanding applications. Contactors like the CWM12-00-20V18 are fundamental components in industrial automation, serving as the backbone for controlling motors, lighting systems, heating elements, and other high-power loads. Unlike relays, which handle lower currents, contactors are specifically designed to manage higher current loads while providing electrical isolation between control and power circuits. The CWM12-00-20V18 excels in applications requiring frequent switching, such as conveyor systems, pumps, fans, and HVAC units, where consistent performance and longevity are paramount. Key features of the WEG CWM12-00-20V18 include arc suppression technology, which minimizes wear on contacts and extends operational life, and auxiliary contacts for integrating with control circuits. Its rugged design ensures reliable operation in harsh industrial conditions, including exposure to dust, vibration, and temperature fluctuations. The 24V DC coil voltage allows seamless integration with PLCs, HMIs, and other automation controllers, providing flexibility in system design. Industries that rely on the WEG CWM12-00-20V18 include manufacturing, oil and gas, mining, water treatment, and renewable energy. In these sectors, downtime is costly, and equipment reliability is non-negotiable. The CWM12-00-20V18’s compliance with international standards ensures compatibility with global electrical systems, while WEG’s reputation for quality and innovation provides peace of mind for engineers and maintenance teams. When selecting a contactor, professionals consider factors such as current rating, coil voltage, mechanical and electrical endurance, and environmental resistance. The WEG CWM12-00-20V18 meets these criteria with a 20A current rating, suitable for motors up to 7.5 HP at 230V AC, and a compact design that optimizes panel space. Installation is straightforward, with standard mounting options and clear wiring diagrams provided in the product documentation. For maintenance, the contactor’s modular design allows for quick replacement of components, reducing service time. WEG’s commitment to sustainability and innovation is reflected in the CWM12-00-20V18, which is manufactured using eco-friendly processes and materials. As part of WEG’s comprehensive range of industrial electrical products, this contactor integrates seamlessly with other WEG solutions, such as variable frequency drives (VFDs) and soft starters, enabling end-to-end automation solutions. Whether for new installations or upgrades, the WEG CWM12-00-20V18 delivers the performance, durability, and reliability required to keep industrial operations running smoothly.
  • 20A current rating for motor control up to 7.5 HP at 230V AC
  • 24V DC coil voltage for seamless PLC and automation integration
  • Arc suppression technology for extended contactor lifespan
  • Rugged construction for harsh industrial environments
  • Auxiliary contacts for enhanced control circuit flexibility

Specifications

Current Rating
20 A
Series
CWM12
Voltage Rating
24 V DC
Package Weight (Imperial)
0.704 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)
Ground Lug

DNGL

Ground Lug
CONTACT BLOCK BU BLB-02

BLB-02

CONTACT BLOCK BU BLB-02
CONTACT BLOCK BU BFB-40

BFB-40

CONTACT BLOCK BU BFB-40
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.

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.