WEG CWB18-11-30C02 - CONTACTOR CWB18-11-30C02
WEG

CWB18-11-30C02

Alternate Item Number: 12856627

UPC: 7909158909292

Contact for Pricing

Overview

The WEG CWB18-11-30C02 Contactor is a high-performance, electrically-controlled switch engineered for robust industrial control applications. Designed for frequent and reliable switching of motor and power circuits, this contactor is a critical component in ensuring the seamless operation of complex electrical systems. WEG, a globally recognized leader in electrical equipment manufacturing, delivers exceptional quality and durability with the CWB18-11-30C02, making it a trusted choice for demanding environments. At its core, the CWB18-11-30C02 utilizes a powerful electromagnetic coil to precisely open and close its main power contacts. This mechanism facilitates remote operation and automation of motors, lighting systems, and a wide array of other electrical loads. The inherent design of contactors, including this WEG model, allows them to withstand millions of switching cycles, a testament to their longevity and suitability for continuous industrial duty. This makes them indispensable in applications such as motor starters, comprehensive lighting control systems, and the intricate automated machinery that drives modern manufacturing. Key features of the WEG CWB18-11-30C02 Contactor include advanced arc suppression technology, which effectively mitigates electrical arcing during switching operations, thereby extending contact life and enhancing safety. Furthermore, the inclusion of auxiliary contacts provides essential flexibility for integration into complex control circuits, enabling sophisticated interlocking and signaling functionalities. The rugged construction of this contactor is specifically engineered to withstand the harsh conditions typically found in industrial settings, including vibration, dust, and temperature fluctuations. Its 30C frame size ensures compatibility with standard mounting configurations and panel designs. When selecting a contactor for critical industrial processes, factors such as current rating, voltage level, switching frequency, and environmental conditions are paramount. The WEG CWB18-11-30C02, with its 18A rating and 11kV capability, is precisely engineered to meet these demanding requirements. Its application spans across various industries, including but not limited to, power generation, mining, petrochemical, and general manufacturing, where reliable power management is non-negotiable. Installation professionals and system integrators rely on WEG's commitment to innovation and quality to deliver solutions that optimize efficiency and minimize downtime. Choosing the CWB18-11-30C02 means investing in a component that offers superior performance, exceptional reliability, and long-term operational value, backed by the reputation of a world-class manufacturer.
  • WEG CWB18-11-30C02 Contactor for industrial power control
  • 18A current rating and 11kV voltage capability
  • Robust 30C frame size for reliable mounting
  • Electromagnetic coil for remote switching operations
  • Advanced arc suppression and auxiliary contacts for control circuits

Specifications

Current Rating
18 A
Series
CWB
Size
30C
Voltage Rating
11 kV
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-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.