WEG CWM50N-00-30V37 - CONTACTOR CWM50N-00-30V37
WEG

CWM50N-00-30V37

Alternate Item Number: 14368610

UPC: 7899058090780

Contact for Pricing

Overview

The **WEG CWM50N-00-30V37 contactor** is a robust, electrically-operated switching device designed to safely and efficiently control motor and power circuits in demanding industrial environments. As a critical component in motor starters, lighting systems, and automated machinery, this contactor delivers exceptional durability, high switching performance, and long-term reliability—making it an essential choice for engineers and maintenance professionals seeking to optimize operational efficiency and reduce downtime. Manufactured by **WEG**, a globally recognized leader in industrial electrical solutions, the CWM50N-00-30V37 combines advanced electromagnetic technology with rugged construction to withstand millions of switching cycles while maintaining consistent performance under harsh conditions. This contactor operates by energizing an internal electromagnetic coil, which closes the power contacts to complete the circuit and allows current to flow to connected loads—such as motors, heaters, or lighting arrays. When the coil is de-energized, a spring mechanism rapidly opens the contacts, safely interrupting the current flow. This rapid make-and-break action is crucial in applications requiring frequent switching, such as conveyor systems, pumps, compressors, and HVAC units, where reliability and precision are paramount. The **CWM50N-00-30V37** is engineered with several key features that enhance its functionality and longevity. **Arc suppression technology** minimizes electrical arcing during switching, reducing wear on contacts and extending service life. **Auxiliary contacts** provide additional control circuit pathways, enabling integration with relays, timers, and PLCs for advanced automation and monitoring. The unit’s **rugged construction**—including reinforced housings and corrosion-resistant materials—ensures reliable operation in industrial settings with high vibration, dust, moisture, or temperature extremes. Additionally, the contactor is designed for easy installation and maintenance, with accessible terminals and modular components that simplify wiring and replacement. Industries that rely on the **WEG CWM50N-00-30V37** include manufacturing, mining, oil and gas, water treatment, and renewable energy. In **automotive manufacturing**, for example, contactors are used to control robotic arms and conveyor belts, where consistent performance and minimal downtime are critical. In **mining operations**, the contactor’s ability to handle high inrush currents and frequent cycling makes it ideal for motor starters in crushers and conveyors. Similarly, in **water treatment facilities**, it ensures reliable operation of pumps and aeration systems, while in **solar and wind power plants**, it manages the switching of inverters and battery banks under variable load conditions. Selecting the right contactor involves considering factors such as **current rating, voltage compatibility, coil voltage, and environmental conditions**. The **CWM50N-00-30V37** is rated for medium-duty industrial applications, making it suitable for motors up to 50 horsepower (depending on voltage class) and capable of handling both AC and DC loads within specified limits. Professionals should also evaluate the **coil voltage** (typically 110V, 220V, or 24V AC/DC) to match the control circuit requirements. Proper sizing ensures optimal performance, energy efficiency, and compliance with safety standards such as **IEC 60947** or **UL 508**. WEG’s reputation for innovation and quality further enhances the value of the **CWM50N-00-30V37**. With decades of experience in electrical engineering, WEG designs products that meet stringent international standards, backed by comprehensive testing and global support networks. The company’s commitment to sustainability is reflected in energy-efficient designs that reduce power consumption and heat generation, contributing to lower operational costs and a smaller carbon footprint. For maintenance teams, WEG’s availability of genuine replacement parts and technical documentation simplifies repairs and minimizes unplanned downtime. In summary, the **WEG CWM50N-00-30V37 contactor** is a high-performance, durable solution for industrial switching applications. Its combination of electromagnetic reliability, arc suppression, auxiliary contacts, and rugged construction makes it a trusted choice for professionals who demand performance, longevity, and ease of integration. Whether deployed in heavy machinery, automation systems, or critical infrastructure, this contactor delivers the dependability and efficiency required to keep operations running smoothly—today and for years to come.
  • Electromagnetic coil for remote motor and power circuit control
  • Arc suppression technology for extended contact life
  • Auxiliary contacts for control circuit integration
  • Rugged construction for harsh industrial environments
  • Compatible with AC/DC loads and medium-duty applications

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)
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.