WEG Strategic Partner Distributor
WEG UBW225N-FTU150-3A - CIRCUIT BREAKER UBW225N-FTU150-3A WEG specifications: Frame size 225; Trip type Fixed thermal and magnetic; Rated current 150.0 A; Breaker interuption capacity @480 Vac 35.0 kA; Number of poles 3
WEG

UBW225N-FTU150-3A

Alternate Item Number: 13713044

UPC: 7909322746807

Contact for Pricing

Overview

The WEG UBW225N-FTU150-3A circuit breaker is a high-performance industrial-grade device engineered for reliable overcurrent protection and fault isolation in demanding electrical systems. Designed by WEG, a global leader in electric motor and power solutions, this circuit breaker delivers robust performance for motor circuits, distribution panels, and industrial power systems where safety and operational continuity are critical. Built to meet stringent industrial standards, the UBW225N-FTU150-3A ensures rapid response to fault conditions, minimizing equipment damage, reducing downtime, and protecting personnel from electrical hazards. This molded case circuit breaker (MCCB) is part of WEG’s trusted UBW series, known for durability, precision engineering, and compliance with international safety certifications. It is ideal for applications requiring dependable short-circuit and overload protection, such as manufacturing plants, water treatment facilities, mining operations, and commercial buildings with heavy electrical loads. The breaker’s compact design and modular construction allow for easy integration into new installations or retrofits, supporting both panel mounting and DIN rail configurations depending on the accessory kit used. Key features of the WEG UBW225N-FTU150-3A include a rated current of 150A and a 3-pole configuration, making it suitable for three-phase systems commonly found in industrial environments. The thermal-magnetic tripping mechanism provides fast and accurate fault detection, responding to overloads with time-delayed tripping and to short circuits with instantaneous interruption. This dual-action protection ensures both equipment longevity and system stability. Additionally, the breaker is equipped with a visible trip indicator, enabling quick visual confirmation of fault conditions without the need for complex diagnostics. Industrial professionals choose WEG circuit breakers for their proven reliability and compatibility with WEG’s ecosystem of motor control and automation products. The UBW225N-FTU150-3A integrates seamlessly with WEG soft starters, variable frequency drives (VFDs), and contactors, enabling coordinated protection strategies across complex power distribution networks. Its robust construction, including a high-impact polycarbonate housing and corrosion-resistant components, ensures long service life even in harsh environments with dust, moisture, or vibration. Installation and maintenance are streamlined thanks to WEG’s engineering focus on user accessibility. The breaker features clear labeling, standardized terminal connections, and optional accessories such as auxiliary contacts and shunt trips for enhanced functionality. Professionals appreciate the ease of wiring and the availability of comprehensive technical documentation, including wiring diagrams and compliance certificates, which simplify project planning and regulatory approvals. WEG’s reputation as a trusted manufacturer in the industrial electrical sector is built on decades of innovation and a commitment to safety. The UBW225N-FTU150-3A circuit breaker exemplifies this legacy, offering a cost-effective solution that balances performance, safety, and compliance. Whether protecting critical motor loads, safeguarding distribution feeders, or ensuring code-compliant installations, this circuit breaker delivers the reliability that engineers and facility managers demand in modern industrial applications.
  • 150A rated current with 3-pole configuration for three-phase systems
  • Thermal-magnetic tripping for overload and short-circuit protection
  • Compact molded case design with high-impact polycarbonate housing
  • Compatible with WEG motor control and automation products
  • Visible trip indicator for quick fault diagnosis and system recovery

Specifications

Breaker interuption capacity @480 Vac
35.0 kA
Current Rating
150 A
Frame size
225
Material
Polycarbonate
Mounting Type
Panel Mounting / DIN Rail
Number Of Poles
3
Poles
3
Poles
3A
Rated current
150.0 A
Series
UBW
Series
UBW225N
Trip type
Fixed thermal and magnetic
Package Weight (Imperial)
4.95 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.