WEG Strategic Partner Distributor
WEG CWB110-11-30E04 - CONTACTOR CWB110-11-30E04
WEG

CWB110-11-30E04

UPC: 7909712086452

Contact for Pricing

Overview

The WEG CWB110-11-30E04 contactor is a high-performance IEC-rated switching device engineered for demanding industrial motor control and automation applications. Designed to meet rigorous international standards including IEC 60947 and UL 508, this contactor delivers reliable, high-cycle switching for motors, lighting systems, and power distribution circuits in harsh industrial environments. Built with WEG's renowned quality and durability, the CWB110-11-30E04 ensures millions of reliable operations with minimal maintenance, making it an ideal choice for panel builders, OEMs, and system integrators across manufacturing, mining, oil & gas, and infrastructure sectors. Key Features and Technical Advantages: - **Electromagnetic Operation with Flexible Coil Voltage**: The CWB110-11-30E04 features a robust electromagnetic coil that operates seamlessly on AC or DC power, supporting a wide range of control voltages from 24V to 60V (via electronic module E04), ensuring compatibility with diverse control systems and automation platforms. This versatility simplifies inventory management and reduces system complexity. - **High-Performance Power Poles**: Equipped with 3 normally open (3NO) power poles rated for 30A continuous current, this contactor is optimized for switching three-phase motors up to 11 kW (depending on voltage class), making it suitable for medium-duty industrial applications such as pumps, conveyors, and HVAC systems. - **Zero-Width Mechanical Interlock**: A hallmark of the CWB series, the zero-width mechanical interlock enhances safety and reliability by preventing unintended simultaneous operation in multi-motor systems or reversing applications. This feature is critical in applications requiring interlocking between multiple contactors or motor starters. - **Arc Suppression and Enhanced Safety**: The contactor incorporates advanced arc suppression technology to minimize contact wear and reduce the risk of electrical arcs during switching, extending service life and improving operational safety. This is particularly important in explosive or hazardous environments where arc flash risks must be minimized. - **Modular Design with Auxiliary Contacts**: The CWB110-11-30E04 supports the addition of auxiliary contact blocks, enabling enhanced control circuit functionality. These auxiliary contacts can be used for signaling, interlocking, or status indication, providing greater flexibility in complex automation schemes. - **Easy Installation and Maintenance**: Designed for quick and reliable installation, the contactor features organized control and power terminals with clear labeling, simplifying wiring and reducing commissioning time. The compact footprint and standardized mounting pattern ensure seamless integration into control panels and motor control centers. Typical Applications Across Industries: In manufacturing plants, the WEG CWB110-11-30E04 is widely used in motor starters for CNC machines, robotic arms, and automated assembly lines, where frequent starting and stopping are required. Its high switching capacity and durability make it ideal for continuous operation in 24/7 production environments. In the oil and gas sector, this contactor is deployed in pump stations, compressors, and ventilation systems, where reliable operation under extreme conditions is essential. The rugged construction and compliance with international safety standards ensure safe operation even in explosive atmospheres when used with appropriate enclosures. In commercial buildings and infrastructure, the CWB110-11-30E04 is commonly found in HVAC systems, elevator controls, and lighting circuits, providing efficient and dependable switching for energy management and load control. Its compatibility with electronic control modules allows integration into smart building automation systems. Why Choose WEG for Industrial Contactors? WEG, a globally recognized leader in industrial electric motors and automation solutions, brings decades of expertise to its line of CWB contactors. Known for innovation, quality, and reliability, WEG products are trusted by engineers and technicians worldwide. The CWB series reflects this commitment, offering a combination of advanced engineering, robust materials, and compliance with global standards. With UL 508 and IEC 60947 certifications, the CWB110-11-30E04 ensures compliance with North American and international safety and performance requirements. This reduces certification risks and accelerates time-to-market for OEMs and panel builders. Additionally, WEG provides comprehensive technical support, global distribution networks, and access to a full range of accessories and spare parts, ensuring long-term reliability and serviceability. Whether for retrofitting existing systems or designing new installations, the WEG CWB110-11-30E04 delivers the performance, safety, and durability required in modern industrial automation.
  • IEC 60947 and UL 508 compliant for global industrial use
  • 3 normally open (3NO) power poles rated at 30A continuous current
  • Electromagnetic coil supports 24–60V AC/DC with electronic module (E04)
  • Zero-width mechanical interlock for enhanced safety in multi-motor systems
  • Modular auxiliary contacts for flexible control circuit integration
  • Arc suppression technology minimizes contact wear and improves safety
  • Compact, rugged design for harsh industrial environments
  • Easy installation with organized terminals and standard mounting
  • Millions of switching cycles for long-term reliability
  • WEG brand trusted worldwide for quality and innovation

Specifications

Current Rating
30 A
Poles
3NO
Series
CWB
Voltage Rating
24-60 V
Package Weight (Imperial)
3.744 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.