WEG CWM50-00-30V37 - CONTACTOR CWM50-00-30V37
WEG

CWM50-00-30V37

Alternate Item Number: 10071196

UPC: 7890355066645

Contact for Pricing

Overview

The WEG CWM50-00-30V37 contactor is a high-performance electrically-operated switch engineered for demanding industrial applications requiring frequent motor and power circuit operations. As part of WEG's renowned industrial automation portfolio, this contactor delivers exceptional reliability, durability, and operational efficiency in environments where consistent performance is critical. Designed to meet the rigorous demands of modern manufacturing, processing plants, and heavy machinery operations, the CWM50-00-30V37 provides a robust solution for motor starters, lighting controls, and automated systems where remote electrical switching is essential. This electromagnetic contactor operates on the principle of electromagnetic induction, using a control coil to magnetically actuate main power contacts. When energized, the coil creates a magnetic field that closes the power contacts, allowing current to flow to connected loads such as motors, heaters, or lighting systems. Upon de-energization, a spring mechanism rapidly opens the contacts, safely interrupting the circuit. This rapid switching capability is particularly valuable in applications involving frequent starts and stops, such as conveyor systems, pumps, compressors, and CNC machinery, where operational cycles are continuous and reliability cannot be compromised. The CWM50-00-30V37 is built to withstand the harsh conditions of industrial environments, featuring arc suppression technology that minimizes contact wear and extends operational life. This arc suppression system is critical in reducing electrical arcing during switching, which not only protects the contactor but also enhances overall system safety by preventing damage to connected equipment. Additionally, the contactor includes auxiliary contacts designed for control circuit applications, enabling integration with monitoring systems, interlocks, and automation networks for comprehensive system control. WEG, a global leader in industrial electric motors and automation solutions, brings decades of engineering excellence to the CWM50-00-30V37 contactor. Known for their commitment to innovation and quality, WEG products are trusted in industries ranging from oil and gas to food processing, water treatment, and renewable energy. The CWM50-00-30V37 is manufactured to meet international standards for electrical safety and performance, ensuring compliance with IEC, UL, and other regulatory requirements. Its rugged construction and high-quality materials make it suitable for use in extreme temperatures, high humidity, and dusty or corrosive environments. Professionals in industrial maintenance, electrical engineering, and automation rely on WEG contactors for their proven track record of reliability and long service life. With millions of switching operations possible over its lifespan, the CWM50-00-30V37 reduces downtime and maintenance costs while maximizing operational uptime. Installation is straightforward, with standard mounting options and clear wiring diagrams provided in the technical documentation. For engineers specifying components in motor control centers (MCCs), variable frequency drive (VFD) systems, or distributed control systems (DCS), the CWM50-00-30V37 offers a dependable solution that integrates seamlessly with existing infrastructure. Choose the WEG CWM50-00-30V37 contactor for applications where performance, durability, and safety are non-negotiable. Whether controlling a single motor or managing complex automated processes, this contactor delivers the reliability and precision required to keep industrial operations running smoothly. Backed by WEG’s global support network and comprehensive warranty, the CWM50-00-30V37 is not just a component—it’s an investment in operational excellence.
  • Electromagnetic operation for reliable remote control of motors and power circuits
  • Arc suppression technology extends contactor life and enhances system safety
  • Auxiliary contacts for integration with control circuits and automation systems
  • Rugged construction for operation in extreme industrial environments
  • Millions of switching operations for long-term reliability and low maintenance

Specifications

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)
Ground Lug

DNGL

Ground Lug
CONTACT BLOCK BU BLB-02

BLB-02

CONTACT BLOCK BU BLB-02
CONTACT BLOCK BU BFB-40

BFB-40

CONTACT BLOCK BU BFB-40
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.

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.