WEG CWBS12-33-30D15 - CONTACTOR CWBS12-33-30D15
WEG

CWBS12-33-30D15

Alternate Item Number: 15447934

UPC: 7909522797050

Contact for Pricing

Overview

The WEG CWBS12-33-30D15 Contactor is a robust, electrically-operated switch designed for the demanding requirements of industrial control systems. Engineered by WEG, a globally recognized leader in motor and drive technology, this contactor provides reliable and frequent switching of motor and power circuits. Its core function is to act as a high-power relay, utilizing an electromagnetic coil to remotely open or close electrical contacts, thereby controlling motors, lighting systems, heating elements, and other significant electrical loads. This specific model, the CWBS12-33-30D15, features a 12V DC coil, making it suitable for applications where DC control power is readily available or preferred. With a 30A current rating and a 3-pole configuration, it is well-equipped to handle moderate to heavy-duty power circuits. The 3-pole design is standard for three-phase motor control, ensuring all three phases of the power supply are switched simultaneously for safe and efficient operation. Contactors like the CWBS12-33-30D15 are built for longevity and performance, capable of executing millions of switching operations without degradation. This durability is crucial in industrial settings where machinery operates continuously or cycles frequently. Key design considerations for this WEG contactor include integrated arc suppression technology, which effectively quenches electrical arcs generated during contact switching. This not only prolongs the life of the contacts but also enhances safety by minimizing fire hazards and electrical interference. Furthermore, the inclusion of auxiliary contacts (though specific configurations vary and should be verified) is a standard feature that expands the control capabilities. These auxiliary contacts can be used for interlocking, signaling, or creating more complex control logic within a motor starter or automated system. The rugged construction ensures that the WEG CWBS12-33-30D15 can withstand harsh industrial environments, including vibrations, temperature fluctuations, and dust. Applications for the WEG CWBS12-33-30D15 are widespread across various industries, including manufacturing, material handling, HVAC systems, water treatment, and process automation. It serves as a fundamental component in: * **Motor Starters:** Providing the primary switching mechanism for starting and stopping electric motors. * **Lighting Controls:** Managing large lighting arrays in industrial facilities. * **Automated Machinery:** Integrating into complex control panels for automated production lines. * **Power Distribution:** Switching significant electrical loads within a facility. When selecting a contactor, professionals consider factors such as coil voltage, current rating, number of poles, duty cycle, and environmental conditions. WEG's reputation for quality and reliability in electrical components makes the CWBS12-33-30D15 a trusted choice for engineers and technicians seeking dependable industrial control solutions. Its design prioritizes safety, efficiency, and long-term operational performance, ensuring your critical processes remain uninterrupted.
  • WEG CWBS12-33-30D15 Contactor for industrial power control.
  • 30A current rating suitable for moderate to heavy loads.
  • 12V DC coil for versatile control circuit integration.
  • 3-pole configuration for three-phase motor and power switching.
  • Designed for frequent switching operations and industrial environments.

Specifications

Current Rating
30 A
Poles
3
Series
CWBS
Voltage Rating
12 V DC
Package Weight (Imperial)
0.957 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.