WEG CWB38-11-30D15 - CONTACTOR CWB38-11-30D15
WEG

CWB38-11-30D15

Alternate Item Number: 12763532

UPC: 7909158719334

Contact for Pricing

Overview

The **WEG CWB38-11-30D15 contactor** is a high-performance, electrically-controlled switch engineered for demanding industrial applications where reliable motor and power circuit control is critical. Designed by WEG, a global leader in industrial electric motors and automation solutions, this contactor delivers robust performance in environments requiring frequent switching operations, making it an essential component in motor starters, lighting controls, and automated machinery. Built to withstand millions of operations, the CWB38-11-30D15 ensures long-term reliability and operational efficiency, reducing downtime and maintenance costs in industrial settings. **Key Features and Functionalities** This contactor leverages electromagnetic coil technology to open and close power contacts remotely, enabling precise control over motors and other electrical loads. The CWB38-11-30D15 is optimized for applications that demand high switching frequency, such as conveyor systems, pumps, fans, and HVAC units. Its design includes arc suppression mechanisms to minimize wear on contacts, extending the product’s lifespan and ensuring safe operation even under heavy loads. **Typical Applications Across Industries** The versatility of the WEG CWB38-11-30D15 contactor makes it suitable for a wide range of industrial applications. In manufacturing, it is commonly used in motor starters for assembly lines, CNC machines, and robotic systems. The construction industry relies on contactors like this for temporary power distribution, while the mining and oil & gas sectors use them in rugged environments where durability and reliability are paramount. Additionally, the contactor is ideal for lighting control systems in large facilities, such as warehouses, stadiums, and commercial buildings, where precise switching and energy efficiency are required. **Installation and Maintenance Considerations** Professionals in industrial automation and electrical engineering appreciate the WEG CWB38-11-30D15 for its ease of installation and compatibility with standard control systems. The contactor is designed to integrate seamlessly with motor starters, PLCs, and other automation components, reducing integration time and complexity. Its rugged construction ensures resistance to dust, moisture, and mechanical stress, making it suitable for both indoor and outdoor installations. Regular maintenance is minimal, thanks to its durable design and high-quality materials, which reduce the need for frequent replacements. **Why Choose WEG for Industrial Contactors?** WEG is a trusted name in industrial electric solutions, with decades of experience in developing high-quality motors, drives, and control components. The CWB38-11-30D15 contactor reflects WEG’s commitment to innovation, reliability, and performance, ensuring that it meets the rigorous demands of modern industrial applications. With a global presence and a reputation for excellence, WEG provides comprehensive support, including technical documentation, training, and customer service, to help engineers and technicians maximize the efficiency of their systems. **Technical Advantages and Industry Standards** The CWB38-11-30D15 contactor is designed to comply with international industry standards, ensuring compatibility with global electrical systems. Its auxiliary contacts provide additional control flexibility, allowing for integration into complex automation networks. Whether used in a simple motor starter or a sophisticated PLC-controlled system, this contactor delivers consistent performance, making it a preferred choice for professionals who prioritize reliability and longevity in their electrical infrastructure. **Conclusion** For industrial applications that demand a reliable, high-performance contactor, the **WEG CWB38-11-30D15** stands out as a top-tier solution. Its robust design, advanced features, and compatibility with a wide range of systems make it an invaluable component in modern industrial automation. By choosing WEG, engineers and facility managers gain access to a product backed by decades of expertise and a commitment to quality, ensuring optimal performance and reduced operational costs.
  • Electrically-controlled switch for motor and power circuit applications
  • Designed for millions of switching operations with arc suppression
  • Rugged construction for industrial environments
  • Auxiliary contacts for enhanced control flexibility
  • Compatible with motor starters, PLCs, and automation systems

Specifications

Series
CWB38
Package Weight (Imperial)
0.937 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.