WEG CWB12-11-30D15 - CONTACTOR CWB12-11-30D15
WEG

CWB12-11-30D15

Alternate Item Number: 12945216

UPC: 7894171429202

Contact for Pricing

Overview

The **WEG CWB12-11-30D15 Contactor** is a high-performance, electrically-controlled switch engineered for the rigorous demands of industrial motor and power circuit applications. Designed by WEG, a global leader in electrical engineering solutions, this contactor delivers exceptional reliability, longevity, and operational efficiency in environments where consistent performance is non-negotiable. Whether used in motor starters, lighting controls, or automated machinery, the CWB12-11-30D15 ensures seamless remote control of electrical loads with minimal maintenance requirements. This contactor operates on electromagnetic principles, utilizing a robust coil to energize and de-energize power contacts, enabling precise switching cycles even under heavy loads. Its construction is optimized for frequent operation, capable of handling millions of switching operations without degradation—a critical feature for applications in manufacturing plants, HVAC systems, conveyor belts, and industrial automation. The CWB12-11-30D15 is particularly well-suited for environments with high inrush currents or inductive loads, where arc suppression and contact durability are paramount. Key features of the WEG CWB12-11-30D15 include: - **Durable Construction**: Built with rugged materials to withstand industrial conditions, including vibration, dust, and temperature fluctuations. - **Arc Suppression Technology**: Minimizes electrical arcing during switching, extending contact life and reducing wear on connected components. - **Auxiliary Contacts**: Integrated for control circuit signaling, enabling interlocking, monitoring, and remote indication of contactor status. - **Modular Design**: Compatible with a range of accessories, including overload relays and auxiliary contact blocks, for flexible system integration. - **Compliance & Safety**: Meets international standards for electrical safety and industrial machinery, ensuring reliable operation in regulated environments. Industries that rely on the WEG CWB12-11-30D15 include: - **Manufacturing**: For motor control in CNC machines, pumps, and compressors. - **Energy & Utilities**: In substations and power distribution systems for load switching. - **Mining & Heavy Industry**: Where robust, high-duty-cycle components are essential. - **Building Automation**: For HVAC systems, elevators, and lighting control panels. Professionals choose WEG contactors for their proven track record in reliability and energy efficiency. WEG’s engineering expertise, combined with global support and a vast distribution network, ensures that the CWB12-11-30D15 is not just a component but a long-term investment in operational uptime. Installation is straightforward, with clear wiring diagrams and compatibility with standard DIN rail or panel mounting systems. For maintenance teams, the contactor’s modular design simplifies replacement and upgrades, reducing downtime and total cost of ownership. When selecting a contactor, consider factors such as load type (AC-1, AC-3, etc.), ambient temperature, and expected switching frequency. The WEG CWB12-11-30D15 is optimized for general-purpose industrial applications, offering a balance of performance, durability, and cost-effectiveness. Trusted by engineers worldwide, WEG’s contactors are a cornerstone of modern industrial automation, delivering the precision and resilience needed to keep operations running smoothly.
  • Electrically-controlled switch for motor and power circuits
  • Electromagnetic coil for remote operation and frequent switching
  • Arc suppression for extended contact life
  • Auxiliary contacts for control circuit signaling
  • Rugged construction for industrial environments

Specifications

Series
CWB12
Package Weight (Imperial)
0.827 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.