WEG RW67-5D2-U040 - OVERLOAD RELAY BU RW67-5D2-U040
WEG

RW67-5D2-U040

UPC: 7909323475843

Contact for Pricing

Overview

Protect your motors with the WEG RW67-5D2-U040 Thermal Overload Relay. Engineered as a direct complement to WEG contactors, this bi-metallic relay offers robust motor protection for industrial applications. It provides essential phase loss and current unbalance sensitivity protection, ensuring operational reliability. The RW67-5D2-U040 features Class 10 trip characteristics, guaranteeing prompt response to overload conditions. Its adjustable current settings range from 25 to 40 Amps, allowing for precise motor protection tailored to specific needs. This relay is designed for direct mounting under WEG contactors from the CWB40-80 series, simplifying installation and creating a compact starter assembly. Standard features include isolated 1NO/1NC auxiliary contacts for signaling and control circuits, and selectable reset modes (automatic or manual) for operational flexibility. The WEG RW Series, including this RW67-5D2-U040 model, is built for extended operational service life. Applications include pumps, conveyors, HVAC systems, and machine tools where reliable motor safeguarding is critical. SKU: RW67-5D2-U040. Country of Origin: US.
  • Bi-metallic thermal overload relay for motor protection
  • Adjustable current setting: 25-40A
  • Phase loss and current unbalance sensitivity
  • Class 10 trip characteristics
  • Direct mounting under WEG CWB40-80 series contactors

Specifications

Series
RW67
Package Weight (Imperial)
0.704 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

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Power supply for DIN-rail

PS-60

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BK63H 1P B2A 10kA 120/240VAC UL1077

0626030563

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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

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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

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

1338006700

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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

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

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Frequently Asked Questions

What is the trip current range for RW67-5D2-U040?

The trip current range is 25 to 40 amperes, adjustable to match motor full load amperage.

Does this relay protect against phase loss?

Yes, the relay includes phase loss and current unbalance sensitivity protection.

What is the trip class of this overload relay?

The RW67-5D2-U040 has Class 10 trip characteristics, responding to overloads within 10 seconds at 6x rated current.

Which WEG contactors is this relay compatible with?

The RW67-5D2-U040 is designed for use with WEG CWB40 to CWB80 contactors.

Can the reset mode be configured?

Yes, the relay offers selectable reset modes: automatic or manual.

What are the auxiliary contact ratings?

The relay includes isolated 1 normally open (NO) and 1 normally closed (NC) auxiliary contacts.

Is this relay suitable for separate mounting?

Yes, accessories are available for separate mounting if direct contactor mounting is not used.

How to Install the WEG RW67-5D2-U040 Overload Relay

Step-by-step guide to mounting and wiring the RW67-5D2-U040 thermal overload relay with WEG contactors.

Estimated time: 20m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Wiring cables, Crimp connectors

  1. Prepare the contactor

    Ensure the WEG contactor (CWB40-80 series) is de-energized and disconnected from power.

  2. Mount the overload relay

    Align the RW67-5D2-U040 relay with the contactor’s mounting slots and secure it using the provided screws.

  3. Connect motor wires

    Route the motor power cables through the relay’s power poles (3-pole version) and tighten the terminal screws to the specified torque.

  4. Wire auxiliary contacts

    Connect the 1NO and 1NC auxiliary contacts to the control circuit as per the wiring diagram in the product manual.

  5. Set trip current and reset mode

    Adjust the trip current dial to match the motor’s full load amperage (25-40A range) and select the reset mode (automatic or manual).

  6. Verify installation

    Reconnect power and perform a test run to confirm the relay trips correctly under simulated overload conditions.

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.