WEG RW17-2D3-U017 - OVERLOAD RELAY BU RW17-2D3-U017
WEG

RW17-2D3-U017

Alternate Item Number: 12450912

UPC: 7909158061648

Contact for Pricing

Overview

The **WEG RW17-2D3-U017 thermal overload relay** is a critical component in industrial motor protection and control systems, engineered to safeguard motors from thermal damage caused by sustained overcurrent conditions. Unlike conventional circuit breakers that prioritize wiring protection, this relay is specifically calibrated to monitor and respond to the thermal characteristics of the motor itself. By detecting prolonged excess current, it trips the circuit before overheating can occur, thereby preventing costly motor burnout, insulation degradation, and unplanned downtime. This relay is part of WEG’s renowned RW17 series, a trusted line of protection devices designed for reliability in demanding industrial environments. The RW17-2D3-U017 overload relay operates on the principle of thermal mimicry, where its internal bimetallic element heats in proportion to motor current. When the current exceeds the relay’s adjustable trip setting for an extended period, the relay activates, interrupting the motor circuit to prevent damage. This mechanism is essential in applications where motors are exposed to variable loads, frequent starts, or harsh operating conditions. The relay’s design ensures precise protection by allowing technicians to set the trip current to match the motor’s full load amperage (FLA), providing a tailored defense against thermal overload. **Key Applications Across Industries:** This overload relay is widely deployed in industries such as manufacturing, mining, oil and gas, water treatment, HVAC, and material handling, where electric motors drive pumps, conveyors, compressors, fans, and other critical machinery. In the automotive sector, it protects motors in assembly lines and robotic systems, while in the food and beverage industry, it safeguards motors in processing and packaging equipment. The relay’s versatility also makes it ideal for use in variable frequency drive (VFD) systems, where motors operate under fluctuating loads. Its robust construction ensures reliable performance even in dusty, humid, or high-temperature environments, aligning with IP20 protection standards. **Why Choose WEG for Motor Protection?** WEG is a globally recognized leader in electric motor technology, with over 70 years of innovation in industrial automation and power solutions. The RW17 series, including the RW17-2D3-U017, reflects the company’s commitment to durability, precision, and energy efficiency. WEG’s overload relays are engineered to integrate seamlessly with WEG motors and third-party systems, offering compatibility with motor starters, contactors, and control panels. The relay’s compact design and DIN rail mounting capability simplify installation, reducing labor costs and downtime during maintenance or upgrades. Additionally, WEG provides comprehensive technical support, including sizing guides, calibration instructions, and troubleshooting resources, ensuring optimal performance in any application. **Installation and Maintenance Considerations:** Proper installation of the RW17-2D3-U017 is straightforward but requires attention to wiring and calibration. The relay should be mounted in a clean, ventilated enclosure to prevent overheating, and its trip setting must be adjusted to match the motor’s FLA using the integrated dial or digital interface (if available). Regular inspection of the bimetallic element and electrical connections is recommended to ensure accuracy, especially in high-cycling applications. WEG’s overload relays are designed for long service life, but periodic testing—such as using a multimeter to verify trip points—can confirm functionality and prevent unexpected failures. **Industry Compliance and Safety:** The RW17-2D3-U017 meets stringent international standards, including IEC 60947-4-1 for low-voltage switchgear and control gear, ensuring compliance with global safety regulations. Its thermal protection aligns with NEMA and UL certifications, making it suitable for use in North American and European markets. By preventing motor burnout, the relay not only extends equipment lifespan but also enhances workplace safety by reducing the risk of electrical fires or arc faults. For professionals tasked with designing, maintaining, or upgrading motor control systems, the WEG RW17-2D3-U017 offers a reliable, cost-effective solution that balances performance with peace of mind.
  • Thermal overload protection for industrial motors to prevent burnout
  • Adjustable trip settings for precise motor current matching
  • Compatible with WEG and third-party motor control systems
  • Compact DIN rail mounting for easy installation
  • Meets IEC, NEMA, and UL safety standards

Specifications

Package Weight (Imperial)
0.374 LB
Combine high performance with compact dimensions: - 1000 V AC / DC IEC 600 V UL, - Opt for the best marking visibility thanks to the up-front, flat marker zone, which lets you mark up to eight digits or increase the font size.

1SNK705010R0000

Combine high performance with compact dimensions: - 1000 V AC / DC IEC 600 V UL, - Opt for the best marking visibility thanks to the up-front, flat marker zone, which lets you mark up to eight digits or increase the font size.
HPS Open Style Control Transformer, 150VA 240x480V-120x240V 50/60Hz

C2G0150MQMJ

HPS Open Style Control Transformer, 150VA 240x480V-120x240V 50/60Hz
Power supply for DIN-rail

PS-60

Power supply for DIN-rail
BK63H 1P B2A 10kA 120/240VAC UL1077

0626030563

BK63H 1P B2A 10kA 120/240VAC UL1077
ACS380 AC Drive, 3-380-480V In, 3HP, 6A, Type OPEN, 1.5 overload, Integrated, HxWxD 6.69x2.76x7.52 in, Module

ACS380-040S-07A2-4

ACS380 AC Drive, 3-380-480V In, 3HP, 6A, Type OPEN, 1.5 overload, Integrated, HxWxD 6.69x2.76x7.52 in, Module
C.BREAKER TMAX XT2N 125 UL/CSA FIXED THREE-POLE WITH FRONT TERMINALS AND THERMOMAGNETIC RELEASE TMA R 90 I3=450...900 A

XT2NU3090BFF000XXX

C.BREAKER TMAX XT2N 125 UL/CSA FIXED THREE-POLE WITH FRONT TERMINALS AND THERMOMAGNETIC RELEASE TMA R 90 I3=450...900 A
Pushbuttons. 104P heavy duty Oiltight Pushbutton. Nameplate. XN1B PR.No. CR100699

CR104PXN1B

Pushbuttons. 104P heavy duty Oiltight Pushbutton. Nameplate. XN1B PR.No. CR100699
MC-50a AC120V 50/60Hz SCREW 1a1b (Metasol) EXP (MC50A-30-11-K7-S-E)

1338006700

MC-50a AC120V 50/60Hz SCREW 1a1b (Metasol) EXP (MC50A-30-11-K7-S-E)
N3 SCREW COVER - 10X10X6 - GRA

C3SC10106GY

N3 SCREW COVER - 10X10X6 - GRA
The NNC75X75WH2 Halogen-Free Wide Slot Wiring Duct is used to route, protect, and manage wires near sensitive electronic equipment and in environments where heat resistance or public safety is a concern. UL 94 flame class of V-0 with a UL recognized continuous-use temperature up to 95 C (203 F). Halogen-Free, Polyphenylene Oxide (PPO). Mounting holes provided. 2.85" x 2.97" (72.4 mm x 75.4 mm) and 6.6' (2 m) long. Cover included. Color White. 5 pieces per package.

NNC75X75WH2

The NNC75X75WH2 Halogen-Free Wide Slot Wiring Duct is used to route, protect, and manage wires near sensitive electronic equipment and in environments where heat resistance or public safety is a concern. UL 94 flame class of V-0 with a UL recognized continuous-use temperature up to 95 C (203 F). Halogen-Free, Polyphenylene Oxide (PPO). Mounting holes provided. 2.85" x 2.97" (72.4 mm x 75.4 mm) and 6.6' (2 m) long. Cover included. Color White. 5 pieces per package.
DS9 RECEPTACLE POLY BLUE SIZE 5 IP 66/67/69 3P+G 150 A 480 VAC 60 Hz

3194213000K04

DS9 RECEPTACLE POLY BLUE SIZE 5 IP 66/67/69 3P+G 150 A 480 VAC 60 Hz
General Electric Control Products. Nema Power Devices. Ol Relay 610F8364

CR324E610F

General Electric Control Products. Nema Power Devices. Ol Relay 610F8364

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.