WEG CWB32-11-30D39 - CONTACTOR CWB32-11-30D39
WEG

CWB32-11-30D39

Alternate Item Number: 12876244

UPC: 7909158953417

Contact for Pricing

Overview

The **WEG CWB32-11-30D39 contactor** is a high-performance, electrically-operated switch engineered for the rigorous demands of industrial motor control and power circuit management. Designed by WEG, a global leader in electrical engineering solutions, this contactor delivers exceptional reliability, durability, and operational efficiency for applications requiring frequent switching of inductive loads such as motors, lighting systems, and automated machinery. With a robust electromagnetic coil mechanism, the CWB32-11-30D39 ensures precise and responsive control, enabling seamless remote operation in industrial environments where uptime and safety are critical. **Key Features and Technical Advantages** The CWB32-11-30D39 contactor is built to withstand millions of switching cycles, making it ideal for applications in manufacturing plants, HVAC systems, conveyor belts, and automated production lines. Its rugged construction incorporates arc suppression technology to minimize electrical arcing during contact opening and closing, which not only extends the life of the contacts but also reduces maintenance requirements and enhances operational safety. The contactor is equipped with auxiliary contacts, allowing for integration into complex control circuits for interlocking, signaling, or feedback purposes—essential for modern automation systems. **Industry Applications and Use Cases** This WEG contactor is a versatile component widely used across multiple industrial sectors, including: - **Motor Control**: Ideal for starting, stopping, and reversing AC motors in pumps, fans, compressors, and machine tools. - **Lighting Systems**: Reliable switching for large-scale industrial lighting installations, ensuring energy efficiency and longevity. - **Automation and Robotics**: Integral to PLC-controlled systems, enabling precise control of actuators and solenoids in automated production environments. - **Power Distribution**: Used in main distribution panels and branch circuits to safely manage high-current loads. Professionals in electrical engineering, maintenance, and system integration rely on WEG contactors like the CWB32-11-30D39 for their proven performance in harsh industrial conditions, including exposure to dust, vibration, and temperature extremes. The contactor’s compact design and standardized mounting options facilitate easy installation in control panels, motor control centers (MCCs), and switchgear assemblies. **Why Choose WEG for Industrial Contactors?** WEG is a globally recognized manufacturer with decades of expertise in electrical and electromechanical solutions. The CWB32-11-30D39 contactor reflects the company’s commitment to innovation, quality, and customer support. With a strong presence in over 100 countries and compliance with international standards such as IEC, UL, and CSA, WEG products are trusted by engineers and facility managers worldwide. The CWB32-11-30D39 is backed by comprehensive technical documentation, global distribution networks, and responsive customer service, ensuring minimal downtime and maximum system reliability. **Installation and Maintenance Considerations** Proper installation of the CWB32-11-30D39 contactor involves selecting the correct coil voltage to match the control circuit, ensuring adequate clearance for heat dissipation, and using appropriate wire sizes for the load current. Regular inspection of contact wear, coil integrity, and auxiliary switch functionality is recommended to maintain optimal performance. WEG provides detailed installation manuals and support resources to assist engineers and technicians in deploying this contactor effectively within their systems. In summary, the **WEG CWB32-11-30D39 contactor** is a dependable, high-duty-cycle solution for industrial switching applications. Whether integrated into a motor starter, lighting control system, or automated production line, it delivers the performance, safety, and longevity required in modern industrial operations. Trusted by professionals across the globe, WEG contactors continue to set the standard for reliability in electrical control systems.
  • Electrically-operated switch for frequent motor and power circuit switching
  • Built-in arc suppression for enhanced safety and contact longevity
  • Auxiliary contacts for control circuit integration and signaling
  • Rugged construction for industrial environments with dust and vibration resistance
  • Trusted WEG quality with global compliance and support

Specifications

Series
CWB32
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)
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.