WEG CWB38-11-30D33 - CONTACTOR CWB38-11-30D33
WEG

CWB38-11-30D33

Alternate Item Number: 12233029

UPC: 7909018801087

Contact for Pricing

Overview

The WEG Contactor CWB38-11-30D33 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 exemplifies WEG's commitment to quality and performance in critical applications. Its core functionality relies on an electromagnetic coil that, when energized, actuates a set of power contacts, enabling the remote and automated control of electric motors, lighting systems, and other significant electrical loads. This capability is fundamental to modern industrial processes, allowing for precise operational sequencing and energy management. Built to withstand the rigors of industrial environments, the CWB38-11-30D33 is constructed for longevity and millions of switching operations. This high endurance makes it an indispensable component in a wide array of applications, including motor starters, complex control panels, and integrated automated machinery. The design incorporates essential features for safe and efficient operation, such as advanced arc suppression technology to mitigate electrical arcing and prolong contact life. Furthermore, the inclusion of auxiliary contacts provides essential functionality for interlocking, signaling, and other control circuit logic, enhancing the overall system's safety and operational flexibility. The rugged construction ensures reliable performance even in challenging conditions, making it a trusted choice for plant managers, electrical engineers, and system integrators. WEG, a globally recognized leader in electrical equipment manufacturing, brings its extensive expertise to the CWB38-11-30D33. Their reputation for producing high-quality, durable, and efficient products is well-established across numerous industries. When selecting a contactor, professionals consider factors such as current rating, voltage, number of poles, coil voltage, and auxiliary contact configuration. The CWB38-11-30D33, with its specific configuration, is tailored for applications requiring reliable power switching and control. Its integration into motor control centers (MCCs), pump controls, fan systems, and conveyor belt operations underscores its versatility. The ease of installation and maintenance, coupled with its dependable performance, contributes to reduced downtime and optimized operational efficiency. This contactor is a testament to WEG's dedication to providing solutions that drive industrial productivity and safety.
  • WEG Contactor CWB38-11-30D33 for industrial control applications.
  • Electrically-controlled switch for frequent motor and power circuit switching.
  • Utilizes electromagnetic coils for remote control of electrical loads.
  • Designed for millions of switching operations, ensuring long-term reliability.
  • Features arc suppression and auxiliary contacts for enhanced control and safety.

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.