WEG CWB25-11-30C12 - CONTACTOR CWB25-11-30C12
WEG

CWB25-11-30C12

Alternate Item Number: 12240636

UPC: 7909018812984

Contact for Pricing

Overview

The **WEG CWB25-11-30C12 contactor** is a high-performance, electrically-operated switch engineered for demanding industrial control applications. Designed by WEG, a global leader in electric motor and automation technology, this contactor delivers robust performance for frequent switching of motor and power circuits, making it an essential component in motor starters, lighting controls, and automated machinery. Built to withstand millions of switching operations, the CWB25-11-30C12 ensures long-term reliability in harsh industrial environments, where durability and precision are critical. This contactor operates on electromagnetic principles, utilizing a coil to energize and de-energize power contacts, enabling seamless remote control of electrical loads. Its design incorporates arc suppression technology to minimize wear and tear on contacts, extending operational lifespan while reducing maintenance requirements. The CWB25-11-30C12 also features auxiliary contacts for control circuits, allowing for flexible integration into complex automation systems. Its rugged construction meets stringent industrial standards, ensuring resistance to dust, moisture, and mechanical stress. **Key Applications & Industries:** The WEG CWB25-11-30C12 is widely used across multiple sectors, including: - **Manufacturing:** Motor control in conveyor systems, pumps, and compressors. - **HVAC Systems:** Efficient switching of fans, blowers, and cooling units. - **Mining & Heavy Industry:** Reliable operation in dusty, high-vibration environments. - **Water & Wastewater Treatment:** Durable performance in corrosive or wet conditions. - **Automation & Robotics:** Integration into PLC-controlled systems for precise load management. **Why Choose WEG Contactors?** WEG is a trusted name in industrial electrical solutions, renowned for innovation, quality, and compliance with global standards. The CWB25-11-30C12 contactor reflects this legacy, offering: - **High Switching Capacity:** Handles frequent start/stop cycles without degradation. - **Modular Design:** Compatible with auxiliary contact blocks and overload relays for expanded functionality. - **Energy Efficiency:** Low power consumption during operation, reducing operational costs. - **Safety Compliance:** Meets IEC, UL, and other certifications for industrial safety. - **Easy Installation:** Compact footprint and standardized mounting options for quick integration. **Professional Selection & Installation Tips:** When selecting a contactor like the CWB25-11-30C12, professionals consider: - **Load Type:** Match the contactor’s rating to the motor or load’s current and voltage requirements. - **Duty Cycle:** Ensure the contactor can handle the expected switching frequency. - **Environmental Conditions:** Verify IP ratings for dust/water resistance if operating in challenging settings. - **Coil Voltage:** Select the appropriate coil voltage (e.g., 110V, 220V) for compatibility with control systems. - **Maintenance Access:** Opt for designs that allow easy inspection and replacement of contacts. For optimal performance, install the contactor in a well-ventilated enclosure to prevent overheating, and use proper wiring practices to avoid voltage drops. WEG’s technical documentation and global support network provide additional guidance for installation, troubleshooting, and maintenance, ensuring minimal downtime and maximum efficiency. **Invest in Reliability with WEG:** The CWB25-11-30C12 contactor is more than just a switch—it’s a critical link in industrial automation, delivering unmatched durability, efficiency, and control. Whether upgrading legacy systems or designing new installations, this WEG contactor provides the performance and peace of mind professionals demand. Trust WEG’s expertise to power your operations with confidence.
  • Electrically-operated switch for frequent motor/power circuit control
  • Arc suppression technology for extended contact life
  • Auxiliary contacts for flexible control circuit integration
  • Rugged construction for harsh industrial environments
  • Compatible with WEG motor starters and automation systems

Specifications

Series
CWB25
Package Weight (Imperial)
1.197 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-20

BFB-20

CONTACT BLOCK BU BFB-20
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.