WEG CWB38-11-30C12 - CONTACTOR CWB38-11-30C12
WEG

CWB38-11-30C12

Alternate Item Number: 12240669

UPC: 7909018812885

Contact for Pricing

Overview

The WEG CWB38-11-30C12 Contactor is a robust, electrically-controlled switch engineered for the demanding requirements of industrial automation and power control. Designed for frequent and reliable switching of motor and power circuits, this 3-pole contactor is a cornerstone component in a wide array of industrial applications. WEG, a globally recognized leader in electrical equipment manufacturing, delivers exceptional quality and performance with the CWB series, ensuring your critical operations remain online and efficient. At its core, the CWB38-11-30C12 utilizes an electromagnetic coil to precisely control the opening and closing of its main power contacts. This mechanism allows for the remote operation of motors, lighting systems, heating elements, and other significant electrical loads, providing unparalleled flexibility and safety in system design and operation. The inherent design of contactors, including this WEG model, is built to withstand millions of switching cycles, making them indispensable for applications requiring continuous or frequent activation. This durability translates to reduced maintenance downtime and a longer operational lifespan for your equipment. Key features of the WEG CWB38-11-30C12 include advanced arc suppression technology, which effectively mitigates the damaging effects of electrical arcing during switching operations, thereby extending the life of the contacts and ensuring operational safety. Furthermore, this contactor is equipped with auxiliary contacts, crucial for integrating into complex control circuits. These auxiliary contacts can be used for signaling, interlocking, or providing feedback to control systems, enhancing the overall intelligence and responsiveness of your automated processes. The rugged construction of the CWB series is specifically tailored for harsh industrial environments, offering resistance to vibration, dust, and temperature fluctuations, ensuring reliable performance even under challenging conditions. Typical applications for the WEG CWB38-11-30C12 are extensive and include: * Motor starting and stopping in manufacturing plants, pumps, and fans. * Control of lighting circuits in large commercial and industrial facilities. * Switching of heating and cooling systems. * Integration into automated machinery and production lines. * Power distribution and load management systems. When selecting a contactor, professionals consider factors such as the rated operational current, coil voltage, number of poles, and the presence of auxiliary contacts. The CWB38-11-30C12, with its 30A rating and 110-120VAC coil, is a versatile choice for many standard industrial power control needs. WEG's commitment to innovation and quality assurance means that each CWB38-11-30C12 contactor is manufactured to stringent international standards, providing peace of mind for engineers and maintenance personnel. Invest in the reliability and performance of WEG for your critical electrical control applications.
  • Reliable 3-pole contactor for industrial power control
  • 30A continuous current rating for demanding applications
  • 110-120VAC coil voltage for broad compatibility
  • Integrated auxiliary contacts for advanced control circuits
  • Durable construction for harsh industrial environments

Specifications

Current Rating
30 A
Poles
3
Series
CWB38
Voltage Rating
110-120 VAC
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.