WEG CWM40-11-30V18 - CONTACTOR CWM40-11-30V18
WEG

CWM40-11-30V18

Alternate Item Number: 10045508

UPC: 7890355023747

Contact for Pricing

Overview

The WEG CWM40-11-30V18 is a robust 3-pole contactor engineered for demanding industrial control applications. Designed with a DC coil, this contactor ensures reliable and efficient operation in systems requiring frequent switching of motor and power circuits. WEG, a globally recognized leader in electrical equipment manufacturing, delivers exceptional quality and durability with its CWM series, making the CWM40-11-30V18 an essential component for any critical industrial setup. This contactor utilizes an electromagnetic coil to precisely control the opening and closing of its power contacts. This mechanism allows for remote operation of motors, lighting systems, and various other electrical loads, providing flexibility and safety in automated processes. Built to withstand millions of switching cycles, the CWM40-11-30V18 is a testament to WEG's commitment to long-term performance and reduced maintenance requirements. Its rugged construction is specifically tailored for harsh industrial environments, ensuring consistent operation even under challenging conditions. Key features of the WEG CWM40-11-30V18 include: * **3-Pole Configuration:** Ideal for switching three-phase power circuits commonly found in industrial machinery. * **DC Coil Operation:** Offers distinct advantages in certain control systems, often providing lower power consumption and faster response times compared to AC coils. * **40A Current Rating:** Suitable for a wide range of motor and power applications within its specified capacity. * **Durable Construction:** Engineered by WEG for longevity and reliability in industrial settings. * **Arc Suppression:** Incorporates internal mechanisms to safely manage electrical arcs generated during switching, enhancing safety and contact lifespan. * **Auxiliary Contacts:** While not explicitly detailed for this specific sub-model in the provided snippet, WEG contactors typically offer auxiliary contacts (N.O./N.C.) for integration into control circuits, enabling complex interlocking and signaling functions. The CWM40-11-30V18 is a vital component in applications such as motor starters, control panels, automated manufacturing lines, and power distribution systems. Its ability to handle frequent switching operations makes it indispensable for applications where motors and other loads are started and stopped repeatedly. Professionals rely on WEG contactors for their consistent performance, adherence to international standards, and the assurance of a reliable electrical infrastructure. When selecting a contactor, factors like voltage, current rating, coil type, and auxiliary contact configuration are paramount, and the CWM40-11-30V18 meets these critical requirements for many industrial needs.
  • WEG CWM40-11-30V18 3-pole industrial contactor
  • Features a DC coil for efficient operation
  • Rated for 40A current capacity
  • Designed for frequent motor and power circuit switching
  • Rugged construction for demanding industrial environments

Specifications

Current Rating
40 A
Poles
3
Series
CWM40
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.