WEG JC CWM400-3P - CONTACT SET JC CWME400-3P
WEG

JC CWM400-3P

UPC: 7890355167922

Contact for Pricing

Overview

The WEG JC CWM400-3P contact set is a precision-engineered component designed to deliver uncompromising performance in industrial electrical systems. As part of WEG's renowned JC series, this contact set is engineered to withstand the rigorous demands of motor starters, lighting controls, and automated machinery, where consistent electrical connections are critical to operational reliability. Built for high-cycle applications, the JC CWM400-3P ensures millions of reliable switching operations, making it an essential choice for engineers and maintenance professionals seeking durable, low-maintenance solutions for power distribution and motor control systems. WEG, a global leader in industrial electric motors and automation technology, has designed the JC CWM400-3P contact set to integrate seamlessly with WEG contactors and motor starters. The contact set features robust construction with arc suppression capabilities, which minimizes wear on contacts and reduces the risk of electrical arcing during switching operations. This not only extends the service life of the component but also enhances safety in high-current industrial environments. The inclusion of auxiliary contacts allows for precise control of secondary circuits, enabling complex automation sequences and interlocking in industrial control panels. Industries such as manufacturing, mining, oil and gas, water treatment, and HVAC rely on components like the WEG JC CWM400-3P to maintain continuous operations. In motor control applications, this contact set is typically deployed in starters for pumps, compressors, conveyors, and HVAC systems, where frequent start-stop cycles are common. Its compatibility with WEG’s electromagnetic coils ensures smooth operation and reduces downtime during maintenance or replacement. Professionals in these sectors value WEG’s reputation for engineering excellence and global support, ensuring access to technical documentation, certified distributors, and responsive customer service. Installation of the JC CWM400-3P contact set is straightforward when following WEG’s guidelines, which emphasize proper alignment, torque specifications, and environmental considerations. The component is designed to operate reliably across a wide range of ambient temperatures and industrial conditions, including exposure to dust, moisture, and vibration. Regular inspection and preventive maintenance, such as checking contact wear and ensuring clean connections, will maximize performance and longevity. WEG’s global distribution network and certified training programs further support end-users in achieving optimal system integration and compliance with international safety standards. Choosing the WEG JC CWM400-3P contact set means selecting a component backed by decades of engineering innovation and a commitment to industrial reliability. Whether used in new installations or as a replacement in existing systems, this contact set delivers consistent performance, reduced maintenance costs, and peace of mind in mission-critical applications. Trusted by engineers worldwide, WEG continues to set the standard for quality in industrial electrical components.
  • Designed for millions of switching operations in motor starters and power circuits
  • Arc suppression technology reduces contact wear and enhances safety
  • Compatible with WEG electromagnetic coils for seamless integration
  • Rugged construction for harsh industrial environments
  • Auxiliary contacts enable complex control circuit configurations

Specifications

Poles
3P
Series
CWM400
Package Weight (Imperial)
0.046 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.