WEG CFW500A04P3T4NB20G2 - DRIVE CFW500A04P3T4NB20G2
WEG

CFW500A04P3T4NB20G2

UPC: 7909712087671

Contact for Pricing

Overview

The **WEG CFW500A04P3T4NB20G2** is a next-generation variable frequency drive (VFD) engineered for precise speed and torque control of three-phase AC induction motors in demanding industrial environments. Part of WEG’s renowned CFW500-G2 series, this high-performance drive delivers unmatched efficiency, reliability, and adaptability for applications where variable speed control is critical to operational success. Designed for 380–480V power supply, the CFW500A04P3T4NB20G2 supports a rated current of 4.3A and features a compact IP20 (finger-safe) enclosure, making it ideal for panel mounting in clean, dry environments. This advanced VFD leverages WEG’s proprietary G2 technology to optimize energy consumption, reduce mechanical stress, and extend equipment lifespan through intelligent motor control. By dynamically adjusting motor speed and torque to match real-time load demands, the CFW500A04P3T4NB20G2 can achieve energy savings of up to 50% in variable torque applications such as pumps, fans, and HVAC systems—directly lowering operational costs and carbon footprint. The drive’s soft-start and controlled acceleration capabilities minimize inrush current, preventing electrical stress on motors and connected infrastructure while reducing wear on belts, gears, and couplings. WEG’s CFW500 series is trusted across industries including water and wastewater treatment, material handling, food and beverage processing, and HVAC for commercial and industrial facilities. Its robust design supports seamless integration with existing automation systems via standard communication protocols, enabling centralized monitoring and control. The CFW500A04P3T4NB20G2 is particularly well-suited for applications requiring precise process control, such as conveyor systems in manufacturing, variable air volume (VAV) systems in buildings, and centrifugal pumps in irrigation or chemical dosing. Installation is streamlined thanks to the drive’s modular architecture and compatibility with a wide range of accessories, including reactors, filters, and braking resistors. WEG provides comprehensive technical documentation, including wiring diagrams, parameter guides, and application notes, ensuring quick commissioning and minimal downtime. The drive also features built-in motor protection functions—such as overload, overvoltage, undervoltage, and phase loss detection—to safeguard both the motor and the drive from damage, enhancing system reliability. As a product of WEG, a global leader in electric motor and drive technology with over 50 years of innovation, the CFW500A04P3T4NB20G2 benefits from rigorous testing, global certifications (UL, CE, IEC), and a worldwide service network. WEG’s commitment to quality and sustainability is reflected in the drive’s energy-efficient design and long service intervals, reducing maintenance costs and total cost of ownership. Whether upgrading legacy systems or designing new installations, engineers and facility managers rely on WEG VFDs for performance, durability, and peace of mind in mission-critical applications.
  • Precision speed and torque control for 3-phase AC induction motors
  • Energy savings up to 50% in variable torque applications
  • Soft start and controlled acceleration reduce mechanical stress
  • IP20 finger-safe enclosure for panel mounting in clean environments
  • Built-in motor protection: overload, overvoltage, phase loss, and more
  • Compatible with WEG accessories: reactors, filters, and braking resistors
  • Global certifications: UL, CE, and IEC compliant
  • Part of WEG’s trusted CFW500-G2 series with advanced G2 technology

Specifications

Package Weight (Imperial)
2.585 LB
600V Class Iron Core Reactor, Core and Coil, 11 Amps, 2.57 Inductance, 60 Hz

CRX0011AC

600V Class Iron Core Reactor, Core and Coil, 11 Amps, 2.57 Inductance, 60 Hz
Double plastic fiber optic, Qty 1, 5 meters long

61059113

Double plastic fiber optic, Qty 1, 5 meters long
The FENA 21 DualPort module supports Three protocols Modbus-TCP, EtherNet/IP, and the PROFInet IO RT network. The Modbus-TCP protocol is simply the Modbus protocol used on top of Ethernet-TCP/IP. Modbus-TCP is an open Industrial Ethernet network which has been specified by the Modbus-IDA User Organization. EtherNet/IP is based on the Common Industrial Protocol (CIP), which is also the framework for both the ControlNet and DeviceNet network protocols. PROFInet IO RT is an open network based on the PI Organization standard.

FENA-21

The FENA 21 DualPort module supports Three protocols Modbus-TCP, EtherNet/IP, and the PROFInet IO RT network. The Modbus-TCP protocol is simply the Modbus protocol used on top of Ethernet-TCP/IP. Modbus-TCP is an open Industrial Ethernet network which has been specified by the Modbus-IDA User Organization. EtherNet/IP is based on the Common Industrial Protocol (CIP), which is also the framework for both the ControlNet and DeviceNet network protocols. PROFInet IO RT is an open network based on the PI Organization standard.
KDR, 208V, 19A, 5HP

KDRB22L

KDR, 208V, 19A, 5HP

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.