WEG CWB25-11-30D77 - CONTACTOR CWB25-11-30D77
WEG

CWB25-11-30D77

Alternate Item Number: 12961446

UPC: 7894171457854

Contact for Pricing

Overview

The WEG Contactor CWB25-11-30D77 is a robust, electrically-controlled switch engineered for the demanding requirements of industrial control applications. Designed for frequent and reliable switching of motor and power circuits, this contactor leverages advanced electromagnetic coil technology to ensure precise and safe operation of electrical loads. Its primary function is to act as a high-power relay, enabling remote control of motors, lighting systems, and various automated machinery. Built with durability and longevity in mind, the CWB25-11-30D77 is constructed to withstand millions of switching operations, making it an indispensable component in critical industrial infrastructure. The inherent design of WEG contactors includes sophisticated arc suppression mechanisms, which are vital for prolonging contact life and ensuring operational safety by quickly extinguishing electrical arcs that form during switching. Furthermore, this model is equipped with auxiliary contacts, providing essential flexibility for integration into complex control circuits, interlocks, and signaling systems. WEG, a globally recognized leader in electrical equipment manufacturing, brings its extensive expertise to the CWB25-11-30D77. Their commitment to quality and innovation is evident in the rugged construction, ensuring reliable performance even in harsh industrial environments characterized by dust, vibration, and temperature fluctuations. Professionals in sectors such as manufacturing, automation, material handling, and building management rely on WEG contactors for their consistent performance and adherence to stringent industry standards. Key features and benefits of the WEG Contactor CWB25-11-30D77 include: * **High Switching Capacity:** Engineered for frequent operation in motor and power circuits. * **Electromagnetic Coil Operation:** Enables reliable remote control of electrical loads. * **Integrated Arc Suppression:** Enhances contact longevity and operational safety. * **Auxiliary Contacts:** Facilitates integration into advanced control and interlocking schemes. * **Rugged Industrial Construction:** Designed for durability in challenging environments. * **WEG Reliability:** Backed by a trusted manufacturer known for quality electrical components. When selecting a contactor, factors such as voltage, current rating, number of poles, and auxiliary contact configuration are paramount. The CWB25-11-30D77 is a testament to WEG's ability to deliver solutions that meet these critical needs, offering a dependable foundation for any industrial electrical control system. Its application spans across motor starters, pump controls, fan systems, and general power distribution, where precise and safe switching is non-negotiable. Investing in a WEG contactor like the CWB25-11-30D77 ensures operational continuity and reduces the risk of downtime, contributing to overall efficiency and productivity in industrial settings.
  • WEG Contactor CWB25-11-30D77 for industrial control.
  • Electrically-controlled switch for frequent motor and power circuit switching.
  • Features electromagnetic coils for remote operation.
  • Includes arc suppression for enhanced durability and safety.
  • Equipped with auxiliary contacts for control circuit integration.

Specifications

Series
CWB25
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.