WEG CWB25-11-30C03 - CONTACTOR CWB25-11-30C03
WEG

CWB25-11-30C03

Alternate Item Number: 12240635

UPC: 7909018814117

Contact for Pricing

Overview

The WEG CWB25-11-30C03 contactor is a high-performance, electrically-operated switch engineered for demanding industrial control applications. Designed to handle frequent switching operations in motor and power circuits, this 25A, 11kV contactor delivers reliable performance in environments where durability and precision are critical. As part of WEG’s renowned 30C03 series, it combines robust construction with advanced electromagnetic coil technology to ensure long service life and minimal maintenance requirements. This contactor is an essential component in motor starters, lighting control systems, and automated machinery across industries such as manufacturing, mining, oil & gas, and renewable energy. Its ability to remotely control high-power loads makes it ideal for applications requiring precise timing, reduced wear, and enhanced operational safety. The CWB25-11-30C03 is particularly well-suited for: - **Motor control applications**: Ideal for starting, stopping, and reversing motors in industrial drives, pumps, and compressors. - **Power distribution systems**: Used in switchgear and distribution panels to manage high-voltage loads efficiently. - **Automated machinery**: Integrates seamlessly into PLC-controlled systems for process automation and energy management. - **Lighting and HVAC systems**: Provides reliable switching for large-scale commercial and industrial lighting or climate control networks. WEG, a globally trusted manufacturer of industrial electrical equipment, is renowned for its high-quality contactors that meet stringent international standards. The CWB25-11-30C03 is built with arc suppression technology to minimize electrical wear and extend contact life, while its auxiliary contacts enable complex control circuit configurations. The rugged design ensures reliable operation in harsh industrial environments, including those with high humidity, temperature fluctuations, or vibration. Professionals select the CWB25-11-30C03 for its combination of performance, reliability, and compatibility with WEG’s extensive range of motor control and protection solutions. Installation is straightforward, with standardized mounting options and clear wiring diagrams provided in the technical documentation. WEG’s global service network and technical support further enhance the value of this contactor, ensuring minimal downtime and maximum uptime for critical operations. Key features of the WEG CWB25-11-30C03 include: - **High switching capacity**: Handles 25A at 11kV, making it suitable for medium to high-power applications. - **Electromagnetic operation**: Provides fast, reliable switching with minimal mechanical wear. - **Arc suppression**: Reduces electrical arcing during operation, protecting contacts and extending lifespan. - **Auxiliary contacts**: Enable additional control circuit functionality for complex automation systems. - **Durable construction**: Designed for industrial environments with robust materials and IP-rated enclosures where applicable. For engineers, electricians, and procurement professionals, the WEG CWB25-11-30C03 represents a cost-effective solution that balances performance, durability, and ease of integration. Its compatibility with WEG’s broader ecosystem of motor starters, relays, and protection devices simplifies system design and maintenance. Whether deployed in a new installation or as a replacement in an existing system, this contactor delivers the reliability and efficiency required for modern industrial operations.
  • 25A current rating with 11kV voltage handling for medium to high-power applications
  • Electromagnetic coil operation for fast, reliable switching with minimal wear
  • Arc suppression technology to protect contacts and extend lifespan
  • Auxiliary contacts for complex control circuit configurations
  • Rugged construction for industrial environments with high durability

Specifications

Current Rating
25 A
Series
30C03
Voltage Rating
11 kV
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)
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.