WEG CWB12-11-30C02 - CONTACTOR CWB12-11-30C02
WEG

CWB12-11-30C02

Alternate Item Number: 13192977

UPC: 7909265594169

Contact for Pricing

Overview

The WEG CWB12-11-30C02 Contactor is a high-performance, electrically-controlled switch engineered for robust industrial automation and power management. Designed for frequent and reliable switching of motor and power circuits, this contactor is a critical component in a wide array of industrial applications. Its core functionality relies on an electromagnetic coil, which, when energized by a 12V DC signal, actuates a set of power contacts. This mechanism allows for the remote and automated control of electrical loads, including motors, lighting systems, and heating elements, ensuring operational efficiency and safety. Built with the demanding requirements of industrial environments in mind, the WEG CWB12-11-30C02 is constructed for longevity and resilience. It is capable of handling millions of switching operations, making it an indispensable part of motor starters, complex control panels, and automated production lines. The inherent design of contactors, including this WEG model, incorporates advanced features such as effective arc suppression to mitigate electrical arcing during contact opening and closing, thereby extending the lifespan of the device and connected equipment. Furthermore, the inclusion of auxiliary contacts provides essential flexibility for integrating into sophisticated control circuits, enabling interlocks, signaling, and other control logic. Key specifications for the WEG CWB12-11-30C02 include a 12V DC coil voltage, a substantial 30A current rating, and a standard 3-pole configuration, suitable for switching three-phase power or three independent single-phase circuits. This versatility makes it a popular choice across various industries, from manufacturing and processing plants to building automation and material handling systems. Professionals select contactors based on factors such as coil voltage, current carrying capacity, number of poles, and environmental protection ratings. The WEG brand is synonymous with quality and reliability in the electrical components market, providing peace of mind for critical installations. Applications for the CWB12-11-30C02 are extensive and include: * Motor control for pumps, fans, compressors, and conveyors * Lighting control in large facilities * Heating and ventilation systems * Automation and process control * Power distribution and switching When specifying contactors, engineers and technicians consider the load type (resistive, inductive), duty cycle, and ambient operating conditions. The robust construction of the WEG CWB12-11-30C02 ensures dependable operation even under challenging industrial conditions. Its integration into control systems is straightforward, leveraging standard wiring practices for both power and control circuits. Choosing a WEG contactor like the CWB12-11-30C02 means investing in a component that delivers consistent performance, enhances system reliability, and contributes to the overall efficiency and safety of industrial operations. The 39121529 UNSPSC code further categorizes this product within the electrical power control and distribution equipment sector.
  • WEG CWB12-11-30C02 Contactor for industrial control applications
  • 12V DC coil voltage for versatile control system integration
  • 30A current rating for handling significant power loads
  • 3-pole configuration suitable for three-phase or multiple single-phase circuits
  • Robust construction designed for demanding industrial environments and frequent switching

Specifications

Current Rating
30 A
Poles
3
Series
CWB12-11
Voltage Rating
12 V DC
Package Weight (Imperial)
1.069 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-40

BFB-40

CONTACT BLOCK BU BFB-40

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.