WEG CWB18-11-30D24 - CONTACTOR CWB18-11-30D24
WEG

CWB18-11-30D24

UPC: 7909158736539

Contact for Pricing

Overview

The WEG CWB18-11-30D24 contactor is a high-performance, electrically-controlled switch engineered for the rigorous demands of industrial motor and power circuit applications. Designed and manufactured by WEG, a global leader in electrical engineering solutions, this contactor delivers exceptional durability, efficiency, and operational reliability in environments where frequent switching is essential. Whether integrated into motor starters, lighting control systems, or automated machinery, the CWB18-11-30D24 ensures consistent performance and long service life—even under heavy mechanical and electrical stress. At the core of its operation, the CWB18-11-30D24 utilizes an electromagnetic coil to actuate power contacts, enabling precise remote control of motors and other high-current loads. This design minimizes wear and tear while maximizing switching cycles, making it ideal for applications requiring millions of reliable operations. The contactor’s robust construction is complemented by advanced arc suppression technology, which protects internal components from damage caused by electrical arcs during switching. Additionally, auxiliary contacts are available to support control circuit functions, enhancing system flexibility and integration. Industries such as manufacturing, mining, oil and gas, water treatment, and HVAC rely on WEG contactors like the CWB18-11-30D24 to maintain operational continuity and safety. Its compact footprint and modular design simplify installation in control panels, junction boxes, and motor control centers, while compliance with international standards ensures compatibility with global electrical systems. Professionals choose WEG for its proven track record in delivering high-quality, low-maintenance components backed by comprehensive technical support and global distribution networks. Key applications include: - Motor starters and reversing starters - Lighting control systems in large facilities - Conveyor and material handling systems - Pump and fan motor control in industrial processes - Automated machinery in production lines When selecting a contactor, engineers prioritize factors such as switching frequency, current rating, voltage compatibility, and environmental resilience. The CWB18-11-30D24 excels in all these areas, offering a balance of performance and value that reduces downtime and maintenance costs. WEG’s commitment to innovation and quality—evidenced by decades of leadership in industrial automation—makes the CWB18-11-30D24 a trusted choice for engineers and maintenance teams worldwide. For dependable control of critical electrical loads, this contactor stands as a cornerstone component in modern industrial infrastructure.
  • Electromagnetically operated for remote motor and load control
  • Built for millions of switching cycles with arc suppression
  • Auxiliary contacts for flexible control circuit integration
  • Compact, rugged design suitable for harsh industrial environments
  • WEG-engineered reliability backed by global technical support

Specifications

Series
CWB18-11-30D24
Package Weight (Imperial)
0.827 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.