WEG CWM300-22-30E21 - CONTACTOR CWM300-22-30E21
WEG

CWM300-22-30E21

Alternate Item Number: 10535759

UPC: 7890355104651

Contact for Pricing

Overview

The **WEG CWM300-22-30E21** is a high-performance **22A contactor** engineered for reliable operation in industrial automation, motor control, and power distribution systems. Designed by **WEG**, a global leader in electrical engineering solutions, this contactor delivers robust performance for applications requiring frequent switching of motor and resistive loads. Built to withstand harsh industrial environments, the CWM300-22-30E21 ensures long service life with millions of reliable switching cycles, making it an ideal choice for demanding applications in manufacturing, mining, oil & gas, and renewable energy sectors. **Key Features & Technical Advantages** This **WEG contactor** is an electrically operated switch that uses an electromagnetic coil to open and close power contacts, enabling precise remote control of motors, lighting systems, and other electrical loads. The **CWM300-22-30E21** is optimized for **22A current rating**, providing efficient power handling for medium-duty applications. Its rugged construction includes **arc suppression technology** to minimize electrical arcing during switching, reducing wear on contacts and enhancing safety. Additionally, the contactor is equipped with **auxiliary contacts** for control circuit integration, allowing seamless coordination with PLCs, relays, and other automation components. **Typical Applications & Industry Use Cases** The **WEG CWM300-22-30E21** is widely used in: - **Motor starters** for pumps, compressors, and conveyor systems - **Lighting control panels** in commercial and industrial facilities - **HVAC systems** for precise temperature regulation - **Automated machinery** in production lines - **Power distribution panels** for load balancing and switching Its **compact design** and **high switching capacity** make it suitable for both new installations and retrofitting in existing systems. Professionals in electrical engineering, maintenance, and automation rely on WEG contactors for their **durability, efficiency, and compliance with international standards** such as IEC and UL. **Why Choose WEG for Industrial Contactors?** WEG is a trusted name in electrical solutions, known for innovation, quality, and reliability. The **CWM300-22-30E21** reflects the brand’s commitment to delivering high-performance components that meet the rigorous demands of industrial applications. With **decades of expertise** in motor control and automation, WEG ensures that its contactors are engineered for **optimal performance, energy efficiency, and longevity**. **Installation & Maintenance Considerations** When installing the **CWM300-22-30E21**, professionals should follow WEG’s guidelines for proper mounting, wiring, and environmental conditions. The contactor is designed for **panel mounting** and can be integrated into control cabinets with ease. Regular maintenance, such as inspecting contacts and verifying coil operation, ensures sustained performance. WEG provides comprehensive documentation, including wiring diagrams and technical manuals, to simplify installation and troubleshooting. **Conclusion** For industrial professionals seeking a **reliable, high-quality contactor**, the **WEG CWM300-22-30E21** is a top-tier choice. Its **22A rating, arc suppression, and auxiliary contacts** make it a versatile solution for motor control, automation, and power distribution. Backed by WEG’s reputation for excellence, this contactor delivers **efficiency, durability, and safety** in even the most challenging environments.
  • 22A current rating for medium-duty industrial applications
  • Electromagnetic coil for remote control of motors and loads
  • Arc suppression technology for enhanced safety and longevity
  • Auxiliary contacts for seamless integration with control circuits
  • Rugged construction for harsh industrial environments

Specifications

Package Weight (Imperial)
14.751 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.