WEG CWM50-00-20V18 - CONTACTOR CWM50-00-20V18
WEG

CWM50-00-20V18

Alternate Item Number: 10076314

UPC: 7890355180419

Contact for Pricing

Overview

The WEG CWM50-00-20V18 is a robust 3-pole contactor engineered for demanding industrial applications requiring reliable and frequent switching of motor and power circuits. As a critical component in modern automation systems, this WEG contactor utilizes an electromagnetic coil to precisely control the opening and closing of power contacts, enabling remote operation of electric motors, lighting systems, and other electrical loads. Its design prioritizes durability and longevity, built to withstand millions of switching cycles, making it an indispensable part of motor starters, control panels, and automated machinery. The CWM50-00-20V18 is specifically designed for inductive/motor switching (AC-3) applications, offering a current rating of 50A. This makes it suitable for a wide range of motor sizes and power requirements. The contactor is equipped with a DC coil, providing efficient and reliable operation within its specified voltage range. While specific DC coil voltage codes are selected separately (e.g., C34 for 24-28V, C40 for 110-130V), the core functionality of the CWM50-00-20V18 remains consistent: providing secure and dependable power control. Key features and benefits of the WEG CWM50-00-20V18 include: * **High Switching Capacity:** Rated for 50A in AC-3 applications, ensuring it can handle significant motor loads. * **Durable Construction:** Built with rugged materials to endure harsh industrial environments and extensive operational cycles. * **Electromagnetic Control:** Employs a reliable electromagnetic coil for precise and remote operation. * **Versatile Application:** Essential for motor starters, lighting controls, automated machinery, and power distribution systems. * **WEG Reliability:** Manufactured by WEG, a globally recognized leader in electrical automation, ensuring quality and performance. This contactor is a fundamental building block for industrial control systems. Its ability to safely and efficiently manage power flow is crucial for the operational integrity and safety of manufacturing plants, processing facilities, and any environment relying on automated electrical equipment. When selecting a contactor, factors such as motor horsepower ratings, control voltage, and environmental conditions are paramount. The CWM50-00-20V18, with its 50A rating and robust design, offers a dependable solution for many common industrial power control needs. Its integration into control panels, alongside overload relays and other protective devices, forms the backbone of safe and efficient motor control. For comprehensive system design, it's important to consider auxiliary contact blocks for control circuits and mechanical interlocks for specific safety sequences, though these are typically ordered separately based on application requirements. The WEG CWM series is known for its modularity and ease of integration, simplifying installation and maintenance. Trust WEG for your critical power switching needs.
  • WEG CWM50-00-20V18 3-pole industrial contactor
  • 50A current rating for AC-3 (motor switching) applications
  • Designed for frequent switching of motor and power circuits
  • Robust construction for durability in industrial environments
  • Electromagnetic coil for reliable remote control of electrical loads

Specifications

Current Rating
50 A
Poles
3-pole
Series
CWM
Package Weight (Imperial)
2.526 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.