WEG CWM18-01-30V04 - CONTACTOR CWM18-01-30V04
WEG

CWM18-01-30V04

Alternate Item Number: 10409932

UPC: 7890355208052

Contact for Pricing

Overview

The WEG CWM18-01-30V04 is a robust and reliable DC contactor engineered for demanding industrial control applications. As an electrically-controlled switch, this component plays a critical role in the safe and efficient operation of machinery and electrical systems. It utilizes an electromagnetic coil, energized by a 30VDC supply, to actuate power contacts, thereby enabling the remote switching of motor circuits, lighting systems, and other significant electrical loads. This capability is fundamental for automation, process control, and ensuring operational safety in diverse industrial environments. Designed for frequent and repetitive switching operations, the CWM18-01-30V04 is built to withstand millions of cycles, a testament to its durable construction and high-quality internal components. This longevity minimizes downtime and reduces maintenance costs, making it a cost-effective solution for critical applications. The inherent design of contactors, including this WEG model, incorporates essential safety and performance features. Key among these are integrated arc suppression mechanisms, which effectively manage the electrical arc generated during contact opening and closing, thereby protecting the contacts from premature wear and preventing potential damage to connected equipment. Furthermore, the inclusion of auxiliary contacts provides essential functionality for interlocking, signaling, and control circuit integration, allowing for sophisticated automation sequences and system monitoring. WEG, a globally recognized leader in motor and drive technology, brings its extensive expertise to the design and manufacturing of contactors like the CWM18-01-30V04. Their commitment to quality and innovation ensures that this contactor meets stringent industry standards for performance and reliability. This model is particularly suited for applications requiring DC power switching, such as in renewable energy systems, battery-powered equipment, and specialized industrial DC motor control. The 18A rating signifies its capacity to handle moderate to heavy DC loads, making it a versatile choice for a wide array of industrial settings. When selecting a contactor, professionals consider factors such as coil voltage, current rating, number of poles, and auxiliary contact configurations. The CWM18-01-30V04, with its 30VDC coil and 18A rating, offers a specific solution for DC control circuits. Its rugged construction ensures it can operate reliably even in harsh industrial conditions, including those with dust, vibration, and temperature fluctuations. Installation is typically straightforward, designed for DIN rail mounting or panel mounting, facilitating integration into existing control panels and systems. The WEG CWM18-01-30V04 is an indispensable component for any industrial setup requiring dependable and precise DC power switching and control.
  • WEG CWM18-01-30V04 DC Contactor for industrial control applications.
  • Features a 30VDC coil voltage for DC power switching.
  • Rated for 18 Amperes (A) to handle moderate to heavy DC loads.
  • Designed for frequent switching operations, ensuring long operational life.
  • Includes arc suppression and auxiliary contacts for enhanced control and safety.

Specifications

Current Rating
18 A
Series
CWM18
Voltage Rating
30 V DC
Package Weight (Imperial)
0.704 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-40

BFB-40

CONTACT BLOCK BU BFB-40

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.