WEG CWM32-00-20V18 - CONTACTOR CWM32-00-20V18
WEG

CWM32-00-20V18

Alternate Item Number: 10076313

UPC: 7890355180389

Contact for Pricing

Overview

The WEG CWM32-00-20V18 Contactor represents a pinnacle of industrial electrical control, engineered for the demanding requirements of modern manufacturing and automation. As an electrically-controlled switch, this device is specifically designed for the frequent and reliable switching of motor and power circuits. Its core functionality relies on an electromagnetic coil, which, when energized, actuates power contacts to establish or interrupt electrical flow. This mechanism allows for the remote and automated control of a wide array of electrical loads, most notably electric motors, but also extending to lighting systems, heating elements, and other significant power consumers. Built with longevity and performance in mind, the WEG CWM32-00-20V18 is constructed to withstand millions of switching operations, a critical attribute for applications where continuous or frequent cycling is the norm. This robust design ensures minimal downtime and consistent operational integrity. Contactors like the CWM32-00-20V18 are indispensable components within motor starters, serving as the primary switching element that connects or disconnects the motor from the power supply. They are also vital in sophisticated lighting control systems, enabling centralized and automated illumination management, and are fundamental to the operation of automated machinery across diverse industrial sectors. Key features inherent to the WEG CWM32-00-20V18 and the Series CWM line include advanced arc suppression technology. This is crucial for safely interrupting high currents, preventing electrical arcing that can degrade contacts and pose safety hazards. Furthermore, the inclusion of auxiliary contacts provides essential functionality for control circuits, allowing for interlocking, signaling, and feedback mechanisms within more complex control schemes. The rugged construction of this WEG contactor is a testament to its suitability for harsh industrial environments, where exposure to dust, vibration, and temperature fluctuations is common. This ensures dependable operation even under challenging conditions. WEG, a globally recognized leader in motor and drive technology, brings its extensive expertise to the contactor market, ensuring that the CWM32-00-20V18 meets stringent quality and performance standards. When selecting a contactor, professionals consider factors such as current rating, voltage, number of poles, coil voltage, and auxiliary contact configuration. The CWM32-00-20V18, with its specific 20A rating and Series CWM designation, is a versatile choice for many applications. Its integration into motor control centers, pump stations, conveyor systems, and HVAC units underscores its broad applicability. Choosing a WEG contactor means investing in reliability, efficiency, and the peace of mind that comes with using components from a trusted manufacturer known for its commitment to industrial excellence. The UNSPSC code 39121529 further categorizes this product within the electrical power switchgear and control equipment sector, highlighting its role in power distribution and control systems.
  • Electrically-controlled switch for frequent motor and power circuit switching.
  • Utilizes electromagnetic coils for remote operation of electrical loads.
  • Designed for millions of switching operations, ensuring long-term reliability.
  • Features advanced arc suppression technology for safe current interruption.
  • Includes auxiliary contacts for enhanced control circuit functionality.

Specifications

Current Rating
20 A
Series
CWM
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)
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.