WEG CWM40-11-30V04 - CONTACTOR CWM40-11-30V04
WEG

CWM40-11-30V04

Alternate Item Number: 10451929

UPC: 7890355208120

Contact for Pricing

Overview

The WEG CWM40-11-30V04 Contactor is a high-performance, electrically-controlled switch engineered for robust and reliable operation in demanding industrial applications. Designed for frequent switching of motor and power circuits, this contactor leverages advanced electromagnetic coil technology to precisely open and close power contacts. This enables seamless remote control of electric motors, lighting systems, and a wide array of other electrical loads, crucial for automated processes and machinery. Built with durability and longevity in mind, the WEG CWM40-11-30V04 is constructed to withstand millions of switching operations, making it an indispensable component in motor starters, sophisticated lighting control systems, and complex automated manufacturing equipment. Its design incorporates essential features for industrial environments, including effective arc suppression to protect contacts and extend service life, as well as integrated auxiliary contacts. These auxiliary contacts are vital for interlocking, signaling, and other control circuit functions, enhancing system safety and operational flexibility. WEG, a globally recognized leader in electrical equipment manufacturing, is renowned for its commitment to quality, innovation, and reliability. The CWM Series contactors, including the CWM40-11-30V04, embody this dedication, offering dependable performance even under strenuous conditions. Professionals across various sectors, such as manufacturing, water treatment, and building automation, trust WEG products for their consistent performance and adherence to stringent industry standards. The 30VDC coil voltage makes this unit ideal for applications powered by DC control systems, common in specialized industrial setups and battery-powered equipment. Key benefits and features of the WEG CWM40-11-30V04 Contactor include: * **Robust Construction:** Engineered for industrial environments, ensuring longevity and resistance to harsh conditions. * **High Switching Capacity:** Rated for 40A, suitable for controlling significant power loads. * **DC Coil Operation:** Features a 30VDC coil for compatibility with DC control circuits. * **Arc Suppression:** Integrated technology to minimize contact wear and ensure safe operation. * **Auxiliary Contacts:** Provides additional contacts for complex control and signaling circuits. * **Reliability:** Backed by WEG's reputation for producing high-quality electrical components. When selecting a contactor, factors such as coil voltage, current rating, number of poles, and auxiliary contact configuration are paramount. The CWM40-11-30V04, with its specific 30VDC coil and 40A rating, is a precise solution for applications requiring dependable DC control and substantial power handling. Its integration into motor control centers, pump stations, and conveyor systems underscores its versatility and essential role in modern industrial automation. Choosing WEG ensures a product that meets rigorous performance expectations and contributes to the overall efficiency and safety of your electrical systems.
  • WEG CWM40-11-30V04 Contactor
  • 30VDC Coil Voltage
  • 40A Current Rating
  • Series CWM for Industrial Applications
  • Electrically-controlled switch for motor and power circuits

Specifications

Current Rating
40A
Series
CWM
Voltage Rating
30VDC
Package Weight (Imperial)
1.386 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.