WEG CWM50N-11-30V18 - CONTACTOR CWM50N-11-30V18
WEG

CWM50N-11-30V18

Alternate Item Number: 11697430

UPC: 7891327706798

Contact for Pricing

Overview

The WEG CWM50N-11-30V18 contactor is a high-performance, electrically-operated switch engineered for demanding industrial applications requiring reliable motor and power circuit control. Designed by WEG, a global leader in electrical engineering solutions, this 50-ampere, 11-kilovolt contactor delivers robust performance in motor starters, lighting systems, and automated machinery across industries such as mining, oil & gas, manufacturing, and infrastructure development. With a 30-volt DC coil voltage, it ensures compatibility with a wide range of control systems, enabling precise remote operation of heavy-duty loads. This contactor excels in applications that demand frequent switching cycles, such as conveyor systems, pumps, compressors, and HVAC installations. Its electromagnetic coil energizes to close the main power contacts, allowing for safe and efficient control of high-power circuits without manual intervention. The CWM50N-11-30V18 is built to withstand millions of operations, making it ideal for continuous-duty applications where reliability and longevity are critical. Key features include advanced arc suppression technology to minimize contact wear and reduce downtime during switching operations. The unit also incorporates auxiliary contacts for control circuit feedback, enabling seamless integration into monitoring and automation systems. Constructed with rugged materials and designed for harsh industrial environments, this contactor resists dust, moisture, and mechanical stress, ensuring consistent performance even in extreme conditions. Industrial professionals choose WEG contactors for their proven durability, energy efficiency, and compliance with international safety standards. The CWM50N-11-30V18 is particularly well-suited for use in motor control centers (MCCs), variable frequency drives (VFDs), and other centralized control systems where space efficiency and modular design are essential. Installation is straightforward, with standardized mounting options and clear wiring diagrams provided in WEG’s technical documentation. WEG’s reputation as a trusted manufacturer of industrial electrical components stems from decades of innovation and a commitment to quality. The CWM50N-11-30V18 contactor exemplifies this legacy, offering a balance of performance, safety, and cost-effectiveness. Whether deployed in new installations or as a replacement in existing systems, this contactor delivers the reliability and precision required for modern industrial automation and power distribution networks.
  • 50A current rating for high-power industrial applications
  • 11kV voltage rating for robust power circuit switching
  • 30V DC coil voltage for compatibility with control systems
  • Arc suppression technology reduces contact wear and downtime
  • Auxiliary contacts for control circuit feedback and monitoring

Specifications

Coil Voltage
30 V
Current Rating
50 A
Voltage Rating
11 kV
Package Weight (Imperial)
2.587 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.