WEG RW27-2D3-U015 - OVERLOAD RELAY BU RW27-2D3-U015
WEG

RW27-2D3-U015

Alternate Item Number: 12140452

UPC: 7909018607474

Contact for Pricing

Overview

The WEG RW27-2D3-U015 is a thermal overload relay from the RW27 series, designed for motor protection. This unit features 2 power poles plus a ground (2P+G) and offers an adjustable overload setting range of 32-40A. It provides essential protection against phase loss and current unbalance, adhering to Class 10 trip characteristics. The relay includes a selectable reset function (automatic or manual) and isolated 1NO/1NC auxiliary contacts for signaling. It is engineered for direct mounting to WEG contactors, such as the CWB9...38 series, facilitating straightforward assembly into across-the-line starters. SKU: RW27-2D3-U015. Manufacturer: WEG. Country of Origin: US.
  • WEG RW27-2D3-U015 Thermal Overload Relay
  • Adjustable current setting: 32-40A
  • 2 power poles + ground (2P+G)
  • Class 10 trip characteristics
  • Direct mounting to WEG contactors (e.g., CWB9...38)

Specifications

Color
Blue
Current Rating
32-40 A
Material
Poly
Mounting Type
Directly mountable under WEG contactors
Poles
2P+G
Series
RW27
Package Weight (Imperial)
0.363 LB
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Frequently Asked Questions

What is the trip class of the RW27-2D3-U015?

The RW27-2D3-U015 has Class 10 trip characteristics, meaning it trips within 10 seconds at 6x rated current.

What protection does this relay provide?

It protects against phase loss, current unbalance, and sustained overcurrent conditions.

What is the current setting range?

The overload current setting range for this relay is 32-40A.

What contactors is this relay compatible with?

This relay is designed for direct mounting under WEG contactors, specifically models CWB9…38.

Can the reset mode be changed?

Yes, the RW27-2D3-U015 features a selectable reset button for automatic or manual reset modes.

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.