WEG CWB18-11-30C12 - CONTACTOR CWB18-11-30C12
WEG

CWB18-11-30C12

Alternate Item Number: 12542267

UPC: 7909158247509

Contact for Pricing

Overview

The WEG CWB18-11-30C12 Contactor is a robust, electrically-controlled switch engineered for the demanding requirements of industrial automation and power distribution. Designed for frequent and reliable switching of motor and power circuits, this contactor leverages advanced electromagnetic coil technology to ensure precise and safe operation. Its core function is to remotely control high-power electrical loads, making it an indispensable component in a wide array of industrial applications. Built with longevity and performance in mind, the CWB18-11-30C12 is capable of withstanding millions of switching operations, a critical factor for applications requiring continuous duty cycles. This durability ensures minimal downtime and consistent operational efficiency. The inherent design of contactors, including this WEG model, incorporates essential safety and performance features such as integrated arc suppression systems. These systems are vital for mitigating electrical arcing, thereby extending the lifespan of the contacts and ensuring operator safety. Furthermore, the inclusion of auxiliary contacts provides essential functionality for control circuits, enabling complex interlocking schemes and status feedback within automated systems. The rugged construction of the WEG CWB18-11-30C12 is specifically tailored for harsh industrial environments. It is designed to withstand vibrations, temperature fluctuations, and exposure to dust and other contaminants commonly found in manufacturing plants, processing facilities, and heavy industry settings. This resilience translates into dependable performance even under the most challenging conditions. Key applications for the WEG CWB18-11-30C12 include its integral role in motor starters, where it provides the primary switching mechanism for starting, stopping, and reversing electric motors. It is also crucial in lighting control systems for large facilities, power distribution panels, and as a fundamental building block in complex automated machinery and process control systems. Professionals select contactors based on factors such as voltage rating, current carrying capacity, number of poles, and coil voltage, ensuring a precise match for the specific load and control system requirements. The WEG brand is synonymous with quality and reliability in the electrical components market, making the CWB18-11-30C12 a trusted choice for critical industrial operations. Its straightforward installation and integration into existing control panels further enhance its value proposition for system integrators and maintenance engineers. Features: * **Electrically-Controlled Switching:** Utilizes an electromagnetic coil for remote operation. * **High Switching Capacity:** Designed for frequent and reliable operation over millions of cycles. * **Integrated Arc Suppression:** Enhances safety and extends contact life. * **Auxiliary Contacts:** Facilitates complex control and interlocking circuits. * **Rugged Industrial Construction:** Built to withstand demanding environmental conditions.
  • WEG CWB18-11-30C12 Contactor for industrial power and motor control.
  • Electrically-controlled switch with electromagnetic coil for remote operation.
  • Designed for frequent switching and high durability, suitable for millions of operations.
  • Features integrated arc suppression for enhanced safety and extended contact life.
  • Includes auxiliary contacts for complex control circuit integration.

Specifications

Series
CWB
Package Weight (Imperial)
1.069 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-20

BFB-20

CONTACT BLOCK BU BFB-20
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.