WEG CWB50-11-30D15 - CONTACTOR CWB50-11-30D15
WEG

CWB50-11-30D15

Alternate Item Number: 13860243

UPC: 7909323030004

Contact for Pricing

Overview

The WEG CWB50-11-30D15 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 reliability, durability, and operational efficiency in environments where frequent switching and high electrical loads are standard. As a critical component in motor starters, lighting control systems, and automated machinery, the CWB50-11-30D15 ensures seamless integration into complex control circuits while maintaining long-term performance under challenging conditions. This robust contactor operates on electromagnetic principles, utilizing a precision-engineered coil to actuate power contacts that safely close and open electrical circuits. The CWB50-11-30D15 is specifically optimized for applications requiring millions of switching cycles, making it ideal for use in: - Industrial motor control panels - Conveyor systems and material handling equipment - HVAC and refrigeration systems - Pump and fan motor starters - Lighting and automation control circuits WEG’s reputation for engineering excellence is reflected in the CWB50-11-30D15’s rugged construction and advanced design features. The contactor incorporates arc suppression technology to minimize electrical arcing during switching, which not only extends the life of the contacts but also enhances operational safety by reducing the risk of fire or equipment damage. Additionally, the inclusion of auxiliary contacts allows for versatile integration into control circuits, enabling interlocking, signaling, and status monitoring functions without additional components. Selecting the right contactor for industrial applications requires careful consideration of electrical ratings, mechanical durability, and environmental resilience. The CWB50-11-30D15 is built to meet the demands of heavy-duty industrial environments, featuring a durable enclosure that resists dust, moisture, and mechanical stress. Its compact design facilitates easy installation in control panels, junction boxes, or motor control centers, while standardized mounting options ensure compatibility with a wide range of industrial enclosures and systems. WEG’s commitment to innovation and quality is evident in every aspect of the CWB50-11-30D15. As part of WEG’s comprehensive portfolio of industrial electrical solutions, this contactor benefits from the company’s decades of experience in power electronics, motor control, and automation. Professionals across industries—from manufacturing and mining to water treatment and renewable energy—trust WEG for reliable, high-performance components that minimize downtime and maximize operational efficiency. Whether used in new installations or as a replacement in existing systems, the CWB50-11-30D15 contactor delivers the performance and dependability required to keep industrial operations running smoothly.
  • Electrically-controlled switch for frequent motor and power circuit switching
  • Arc suppression technology for enhanced safety and contact longevity
  • Auxiliary contacts for versatile control circuit integration
  • Rugged construction for harsh industrial environments
  • Compact design with standardized mounting for easy installation

Specifications

Series
CWB50
Package Weight (Imperial)
1.984 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.