WEG CWBN1-11-30D39 - CONTACTOR CWBN1-11-30D39
WEG

CWBN1-11-30D39

Alternate Item Number: 14400429

UPC: 7909492047599

Contact for Pricing

Overview

The WEG CWBN1-11-30D39 contactor is a high-performance, IEC-compliant switching device engineered for demanding industrial motor control applications. Designed to meet stringent IEC 60947 and UL 508 standards, this contactor delivers exceptional reliability, durability, and operational safety in environments where frequent switching of motor and power circuits is required. With a robust construction and advanced electromagnetic coil operation, the CWBN1-11-30D39 ensures millions of reliable switching cycles, making it an ideal choice for motor starters, lighting controls, and automated machinery across a wide range of industries including manufacturing, HVAC, water treatment, and material handling. Key features of the WEG CWBN1-11-30D39 include a 'Zero-Width' mechanical interlock for compact installation, simple and organized control circuits for ease of wiring, and easy-access power and control terminals that simplify maintenance and reduce downtime. The contactor supports both AC and DC coil operation, providing flexibility in control voltage selection to match diverse system requirements. Additionally, the CWBN1-11-30D39 is compatible with auxiliary contact blocks, enabling enhanced control circuit functionality and system integration. This contactor is part of the WEG CWB line, a globally recognized series known for its quality, innovation, and adherence to international safety and performance standards. The CWBN1-11-30D39 model features 3 normally open (NO) power poles and is rated for 11 amperes, with a 480V AC coil voltage (D39), making it suitable for medium-duty industrial applications. Its compact design and modular architecture allow for straightforward installation in control panels, motor control centers, and other industrial enclosures. Industries such as automotive, food and beverage, mining, and renewable energy rely on WEG contactors for their proven performance and long service life. The CWBN1-11-30D39 is particularly well-suited for applications involving variable frequency drives (VFDs), soft starters, and reversing motor starters, where precise control and high switching reliability are critical. WEG’s commitment to engineering excellence and global compliance ensures that this contactor meets the rigorous demands of modern industrial automation. Professionals in electrical engineering, maintenance, and system integration choose WEG contactors for their durability, ease of use, and compatibility with a wide range of accessories and auxiliary components. The CWBN1-11-30D39 contactor is UL listed (File No. E202315) and distributed by trusted partners like Gross Automation, providing customers with reliable sourcing and support. Whether used in new installations or as a replacement in existing systems, this contactor delivers the performance and peace of mind required for mission-critical industrial applications.
  • IEC 60947 and UL 508 compliant for global industrial applications
  • 11A current rating with 3 normally open (NO) power poles
  • 480V AC coil voltage (D39) with AC/DC coil operation compatibility
  • 'Zero-Width' mechanical interlock for compact installation
  • Easy-access power and control terminals for simplified wiring and maintenance
  • Compatible with auxiliary contact blocks for enhanced control circuit functionality
  • UL Listed (File No. E202315) for safety and reliability
  • Designed for millions of switching cycles in motor starters and automation systems

Specifications

Current Rating
11 A
Poles
3NO
Series
CWB
Voltage Rating
480 VAC
Package Weight (Imperial)
0.937 LB
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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.