WEG CWM40-00-30V37 - CONTACTOR CWM40-00-30V37
WEG

CWM40-00-30V37

Alternate Item Number: 10071191

UPC: 7890355066560

Contact for Pricing

Overview

The WEG CWM40-00-30V37 Contactor is a robust, electrically-controlled switch engineered for the demanding requirements of industrial control applications. Designed for frequent and reliable switching of motor and power circuits, this contactor is a cornerstone component in modern automation and power distribution systems. At its core, the CWM40-00-30V37 utilizes an electromagnetic coil to precisely open and close power contacts. This mechanism facilitates remote operation of electric motors, lighting systems, heating elements, and a wide array of other electrical loads, offering unparalleled flexibility and safety in system design and operation. Built with longevity and performance in mind, WEG contactors like the CWM40-00-30V37 are constructed to withstand millions of switching operations. This exceptional durability makes them indispensable in applications where continuous or frequent cycling is the norm, such as in motor starters, automated production lines, HVAC systems, and complex industrial machinery. The reliability of these components directly impacts the uptime and efficiency of critical industrial processes. Key features of the WEG CWM40-00-30V37 include advanced arc suppression technology, which effectively mitigates the damaging effects of electrical arcing during contact switching. This not only extends the lifespan of the contactor but also enhances operational safety by reducing the risk of fire and equipment damage. Furthermore, the inclusion of auxiliary contacts provides essential functionality for control circuits, enabling interlocking, signaling, and status feedback within the broader control system. The rugged construction ensures that this contactor can perform reliably even in harsh industrial environments, resisting dust, vibration, and temperature fluctuations. WEG is a globally recognized manufacturer renowned for its high-quality electrical equipment. Their commitment to innovation and stringent manufacturing standards ensures that products like the CWM40-00-30V37 deliver consistent performance and exceptional value. When selecting a contactor, professionals consider factors such as current rating, voltage, number of poles, coil voltage, and auxiliary contact configuration. The CWM40-00-30V37 is designed to meet the rigorous demands of industrial power management, offering a dependable solution for a variety of motor control and power switching needs. Its application spans across numerous industries, including manufacturing, mining, water treatment, and building automation, where precise and reliable electrical control is paramount.
  • Electrically-controlled switch for frequent motor and power circuit switching.
  • Utilizes electromagnetic coil for remote operation of electrical loads.
  • Designed for millions of switching operations, ensuring long-term reliability.
  • Features arc suppression technology for enhanced safety and component longevity.
  • Includes auxiliary contacts for integrated control circuit functionality.

Specifications

Package Weight (Imperial)
1.32 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.