WEG RTW17-DD02U030ME05 - TIMING RELAY RTW17-DD02U030ME05
WEG

RTW17-DD02U030ME05

UPC: 7909323233573

Contact for Pricing

Overview

The **WEG RTW17-DD02U030ME05 timing relay** is a high-performance thermal overload relay engineered to safeguard industrial motors from thermal damage caused by sustained overcurrent conditions. Designed for precision and reliability, this relay is a critical component in motor control systems where protecting the motor itself—rather than just the wiring—is essential. Unlike standard circuit breakers, which prioritize short-circuit protection for electrical circuits, the RTW17-DD02U030ME05 is specifically calibrated to monitor motor current and interrupt the circuit when current exceeds safe levels for an extended period. This prevents overheating, insulation degradation, and catastrophic motor failure, ensuring extended equipment lifespan and reduced downtime in industrial operations. Operating on the principle of thermal overload detection, the RTW17-DD02U030ME05 uses a bimetallic strip or thermal element that responds to heat generated by excessive current. As the motor draws current beyond its rated full load amperage (FLA), the relay’s thermal element warms up, causing the relay to trip and disconnect the motor from the power source. The adjustable trip settings allow technicians to precisely match the relay’s response to the motor’s specific characteristics, providing tailored protection that accounts for ambient temperature, duty cycle, and load variations. This flexibility makes the RTW17-DD02U030ME05 ideal for applications where motors operate under variable or unpredictable load conditions. The RTW17-DD02U030ME05 is part of WEG’s renowned line of motor protection devices, a brand trusted globally for its engineering excellence and durability in harsh industrial environments. WEG’s relays are widely deployed across industries such as manufacturing, oil and gas, mining, water treatment, HVAC, and renewable energy, where reliable motor operation is non-negotiable. The relay’s compact design and DIN-rail mounting compatibility make it easy to integrate into existing control panels or motor starter assemblies, while its robust construction ensures resistance to vibration, dust, and moisture—common challenges in industrial settings. Key applications for the RTW17-DD02U030ME05 include conveyor systems, pumps, fans, compressors, and machine tools, where motors are subjected to frequent starts, stops, or variable loads. In these scenarios, thermal overload relays prevent premature wear and tear by ensuring motors operate within safe thermal limits. The relay’s **adjustable trip class** (e.g., Class 10, 20, or 30) allows users to select the appropriate response time based on the motor’s thermal time constant, balancing protection against nuisance tripping. For example, Class 10 relays trip within 10 seconds at six times the rated current, making them suitable for motors with low thermal inertia, while Class 30 relays provide slower response times for applications with high thermal mass. Installation of the RTW17-DD02U030ME05 is straightforward, typically involving mounting the relay in series with the motor’s contactor or starter. Proper wiring requires connecting the relay to the motor’s current-carrying conductors while ensuring the thermal element is correctly sized for the motor’s FLA. WEG provides comprehensive documentation and support to assist with calibration and setup, including guidelines for adjusting the trip setting based on ambient temperature and load conditions. Regular maintenance involves inspecting the relay for signs of wear, verifying calibration, and ensuring tight electrical connections to maintain optimal performance. Choosing the RTW17-DD02U030ME05 from WEG offers several advantages. First, its compatibility with WEG’s extensive range of motor control products—including contactors, starters, and soft starters—ensures seamless integration and system-level reliability. Second, WEG’s global service network and commitment to quality provide peace of mind, with relays designed to meet international standards such as IEC, UL, and CE. Third, the relay’s **high interrupting rating** and **long mechanical/electrical life** reduce the need for replacements, lowering total cost of ownership. Finally, the RTW17-DD02U030ME05’s **modular design** allows for easy replacement or upgrade, future-proofing your motor protection strategy as operational demands evolve. For professionals tasked with designing, maintaining, or upgrading industrial motor control systems, the WEG RTW17-DD02U030ME05 timing relay stands out as a dependable solution for thermal overload protection. Its combination of precision, adjustability, and rugged construction makes it a preferred choice in applications where motor reliability is paramount. Whether you’re protecting a critical pump in a water treatment facility or safeguarding a conveyor in a manufacturing plant, this relay delivers the performance and durability required to keep operations running smoothly.
  • Thermal overload protection for industrial motors
  • Adjustable trip settings for precise motor current matching
  • Compatible with WEG motor control systems
  • Class 10/20/30 trip classes for flexible response times
  • DIN-rail mounting for easy panel integration

Specifications

Package Weight (Imperial)
0.183 LB
Relay Accessories, Sockets & Clips, Printed Circuit Board, Phenolic, Printed Circuit Board, 6, Socket, Potter & Brumfield R10

1-1393143-3

Relay Accessories, Sockets & Clips, Printed Circuit Board, Phenolic, Printed Circuit Board, 6, Socket, Potter & Brumfield R10
Relay Accessories, Sockets & Clips, Solder, Polyester, Printed Circuit Board, 2, Socket, Potter & Brumfield R10

1-1393143-6

Relay Accessories, Sockets & Clips, Solder, Polyester, Printed Circuit Board, 2, Socket, Potter & Brumfield R10
RTXP 18

RK926011-BC

RTXP 18
RTXD Extractor Tool

6896057-1

RTXD Extractor Tool
Power supply for DIN-rail

PS-60

Power supply for DIN-rail
IP67 SCP-X Extreme Environment Series Power Supply. Double Stacked, Output Power 2 x 100W, Output Voltage 24 Vdc, Output Current 7.6 A total, 3.8 A per pair

SCP102D24X-C02

IP67 SCP-X Extreme Environment Series Power Supply. Double Stacked, Output Power 2 x 100W, Output Voltage 24 Vdc, Output Current 7.6 A total, 3.8 A per pair

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.