WEG SHT-UBW250-E61 - SHUNT TRIP RELEASE SHT-UBW250-E61
WEG

SHT-UBW250-E61

Alternate Item Number: 13755478

UPC: 7909322825595

Contact for Pricing

Overview

The WEG SHT-UBW250-E61 Shunt Trip Release is a precision-engineered safety device designed to provide remote-controlled circuit interruption for industrial motor control applications. As a critical component in WEG's comprehensive electrical protection portfolio, this shunt trip release ensures immediate power disconnection when triggered by external control signals, preventing catastrophic equipment failure, electrical fires, and personnel hazards in high-stakes industrial environments. Engineered to integrate seamlessly with WEG circuit breakers and motor protection systems, the SHT-UBW250-E61 delivers reliable performance in applications ranging from heavy manufacturing and mining operations to commercial building automation and renewable energy installations. This shunt trip release operates on the fundamental principle of electromagnetic actuation, where an external voltage signal (typically 110-240V AC/DC) energizes the release coil, mechanically tripping the associated circuit breaker to interrupt power flow. Unlike thermal or magnetic trip mechanisms that respond to overcurrent conditions, the shunt trip release provides an additional layer of control for scenarios requiring remote activation—such as emergency shutdowns, automated safety protocols, or integration with building management systems. Its compact design and standardized mounting compatibility make it an ideal upgrade for existing industrial panels or a critical addition to new installations where operational safety and system reliability are paramount. Industries that rely on the WEG SHT-UBW250-E61 include oil & gas processing, water treatment facilities, steel mills, automotive manufacturing, and data centers—environments where uninterrupted power is not just a convenience but a necessity. The device’s compatibility with WEG’s extensive range of circuit breakers (including the WEG CFW11 series and other industrial breakers) ensures consistent performance across diverse electrical architectures. Professionals select the SHT-UBW250-E61 for its robust construction, adherence to international safety standards (IEC 60947-2, UL 489), and WEG’s reputation for durability in harsh industrial conditions. Installation is straightforward for qualified electricians, with the shunt trip release typically mounted directly onto the circuit breaker’s trip unit via standardized interfaces. WEG provides comprehensive technical documentation, including wiring diagrams and compatibility matrices, to simplify integration into both new and retrofit projects. The device’s low maintenance requirements—limited to periodic inspection of electrical connections and mechanical components—further enhance its value proposition for time-constrained maintenance teams. When selecting a shunt trip release, engineers prioritize factors such as voltage compatibility, response time, and environmental resilience. The SHT-UBW250-E61 excels in these areas, offering a wide operating voltage range (110-240V AC/DC) and a rapid trip response (typically <20ms) to minimize downtime during critical events. Its IP20-rated enclosure provides protection against dust and accidental contact, while the use of high-quality materials ensures long-term reliability even in corrosive or vibration-prone environments. WEG’s commitment to innovation and quality is evident in the SHT-UBW250-E61’s design, which leverages decades of expertise in industrial electrical protection. As part of a global brand trusted by engineers worldwide, this shunt trip release delivers the peace of mind that comes from using a product backed by WEG’s extensive service network, technical support, and warranty coverage. Whether deployed in a standalone configuration or as part of a coordinated protection scheme, the SHT-UBW250-E61 stands as a testament to WEG’s dedication to advancing industrial safety and operational efficiency.
  • Remote-controlled circuit interruption for emergency shutdowns
  • Compatibility with WEG circuit breakers and motor protection systems
  • Wide operating voltage range: 110-240V AC/DC
  • Rapid trip response (<20ms) for critical safety applications
  • IP20-rated enclosure for dust and contact protection

Specifications

IP Rating
IP20
Mounting Type
Standardized mounting on circuit breaker trip unit
Series
SHT-UBW
Voltage Rating
110-240 V AC/DC
Package Weight (Imperial)
0.429 LB
Ground Lug

DNGL

Ground Lug
INTERLOCK UNIT,AR-12M(SEPERATE),GMC(D)-6~16M

83411621001

INTERLOCK UNIT,AR-12M(SEPERATE),GMC(D)-6~16M
ZCT,LZR-030(V),EMPR,EXP

76512124011

ZCT,LZR-030(V),EMPR,EXP
JB5-2 2 POLE JUMPER 5.2MM SPACING

1SNK905302R0000

JB5-2 2 POLE JUMPER 5.2MM SPACING
JB5-5 5 POLE JUMPER 5.2MM SPACING

1SNK905305R0000

JB5-5 5 POLE JUMPER 5.2MM SPACING
One-hole, metric conductor, standard barrel with window lug, 4-6mm wire, M8 stud hole.

LCMA6-8-C

One-hole, metric conductor, standard barrel with window lug, 4-6mm wire, M8 stud hole.

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.