WEG CWB9-11-30D33 - CONTACTOR CWB9-11-30D33
WEG

CWB9-11-30D33

Alternate Item Number: 12660802

UPC: 7909158499052

Contact for Pricing

Overview

The WEG CWB9-11-30D33 contactor is a high-performance, electrically-operated switch engineered for the rigorous demands of industrial motor control and power circuit management. As a critical component in motor starters, lighting systems, and automated machinery, this contactor delivers exceptional reliability, durability, and operational efficiency. Designed to handle millions of switching cycles, the CWB9-11-30D33 ensures consistent performance in environments where uptime and precision are non-negotiable. Engineered by WEG, a global leader in industrial electric motors and automation solutions, the CWB9-11-30D33 leverages electromagnetic coil technology to remotely control the opening and closing of power contacts. This mechanism enables seamless integration into motor starters, allowing for efficient start/stop operations, overload protection, and remote monitoring. The contactor’s robust construction is optimized for industrial applications, featuring arc suppression to minimize wear and tear on contacts while extending operational lifespan. Key applications for the WEG CWB9-11-30D33 include: - **Motor starters**: Ideal for controlling AC motors in pumps, fans, compressors, and conveyor systems across manufacturing, HVAC, and water treatment facilities. - **Lighting controls**: Suitable for large-scale lighting systems in warehouses, stadiums, and commercial buildings, where reliable switching is essential. - **Automated machinery**: Integrates seamlessly into CNC machines, robotics, and production lines, ensuring precise control of electrical loads. - **Power distribution**: Used in switchgear and distribution panels to manage high-current circuits safely and efficiently. Professionals in industrial automation, electrical contracting, and facility management rely on WEG contactors for their proven durability and compliance with international standards. The CWB9-11-30D33 is designed to meet the challenges of harsh environments, including exposure to dust, vibration, and temperature fluctuations, making it a trusted choice for OEMs and end-users alike. When selecting a contactor, key considerations include: - **Coil voltage compatibility**: Ensure the electromagnetic coil matches the control circuit voltage (e.g., 110V, 220V, or 480V) for seamless integration. - **Current rating**: Verify the contactor’s ampere rating aligns with the motor or load requirements to prevent overheating or failure. - **Auxiliary contacts**: The CWB9-11-30D33 includes auxiliary contacts for control circuits, enabling interlocking, signaling, and remote monitoring. - **Mounting flexibility**: Designed for DIN rail or panel mounting, the contactor offers versatile installation options to suit various enclosure configurations. - **Arc suppression**: Built-in arc suppression technology reduces contact erosion, enhancing longevity and reducing maintenance costs. WEG’s reputation for innovation and quality extends across its global network of manufacturing facilities, where rigorous testing and quality control ensure every contactor meets the highest performance standards. For engineers, electricians, and procurement teams, the WEG CWB9-11-30D33 represents a dependable solution for motor control and power switching, backed by decades of expertise in industrial automation. Whether deployed in a factory, power plant, or commercial facility, this contactor delivers the reliability and efficiency required to keep operations running smoothly.
  • Electromagnetic coil for remote motor and power circuit control
  • Arc suppression technology for extended contactor lifespan
  • Auxiliary contacts for control circuit interlocking and signaling
  • Rugged construction for harsh industrial environments
  • Compatible with motor starters, lighting systems, and automated machinery

Specifications

Mounting Type
DIN rail or panel
Series
CWB9
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)
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.