WEG Strategic Partner Distributor
WEG UBW225N-FTU50-3A-SS - CIRCUIT BREAKER UBW225N-FTU50-3A-SS
WEG

UBW225N-FTU50-3A-SS

Alternate Item Number: 14949303

Contact for Pricing

Overview

The WEG UBW225N-FTU50-3A-SS Circuit Breaker is a high-performance industrial-grade device engineered to deliver reliable overcurrent protection and circuit isolation for critical power systems. Designed by WEG, a global leader in electrical engineering and motor solutions, this circuit breaker combines robust construction with advanced thermal-magnetic tripping technology to safeguard electrical infrastructure against overloads, short circuits, and ground faults. Its compact 3-pole configuration (3A) makes it ideal for motor circuits, distribution panels, and industrial power distribution systems where precision protection is essential for operational continuity and safety compliance. This WEG circuit breaker is built to meet the demands of modern industrial environments, offering fast response times and consistent performance under harsh operating conditions. The UBW225N-FTU50-3A-SS is part of WEG’s renowned UBW series, a trusted line of circuit protection devices known for durability, ease of installation, and long service life. Whether deployed in manufacturing plants, commercial buildings, or utility substations, this breaker ensures that electrical faults are interrupted before they escalate into costly equipment damage, unplanned downtime, or hazardous fire risks. Key applications for the WEG UBW225N-FTU50-3A-SS include: - Motor protection circuits in industrial machinery - Branch circuit protection in distribution panels - Power control in HVAC systems and pumps - Protection of sensitive electronic equipment in data centers - Integration into MCCs (Motor Control Centers) and switchgear assemblies Professionals in electrical engineering, maintenance, and plant operations rely on WEG’s reputation for innovation and reliability when selecting circuit protection solutions. The UBW225N-FTU50-3A-SS is designed for seamless integration into existing systems, featuring standardized mounting options and compatibility with industry-standard enclosures. Its thermal-magnetic trip unit provides precise current sensing, ensuring accurate tripping under fault conditions while minimizing nuisance tripping in normal operation. Installation is straightforward thanks to WEG’s user-centric design, which includes clear labeling, accessible terminals, and modular construction for easy maintenance. The breaker’s stainless steel or corrosion-resistant housing enhances longevity in challenging environments, including those with high humidity, dust, or chemical exposure. For engineers and technicians, this means reduced lifecycle costs and greater system uptime. WEG’s global manufacturing footprint and adherence to international standards (such as IEC, UL, and CSA) ensure that the UBW225N-FTU50-3A-SS meets the rigorous demands of industrial applications worldwide. Whether you are protecting a single motor circuit or an entire distribution network, this circuit breaker delivers the performance, safety, and reliability expected from a market leader in electrical protection technology.
  • 3-pole industrial circuit breaker for overcurrent and short-circuit protection
  • Thermal-magnetic trip unit for precise fault detection and fast response
  • Compact design ideal for motor circuits, distribution panels, and MCCs
  • Corrosion-resistant housing for harsh industrial environments
  • Compliant with IEC, UL, and CSA standards for global applications

Specifications

Current Rating
3 A
Material
Stainless Steel
Poles
3
Series
UBW
Package Weight (Imperial)
2.2 LB
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.
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
Ground Lug

DNGL

Ground Lug
ZCT,LZR-030(V),EMPR,EXP

76512124011

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

83411621001

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

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.