WEG Strategic Partner Distributor
WEG UBW250L-FTU250-3A - CIRCUIT BREAKER UBW250L-FTU250-3A WEG specifications: Frame size 250; Trip type Fixed thermal and magnetic; Rated current 250.0 A; Breaker interuption capacity @480 Vac 100.0 kA; Number of poles 3
WEG

UBW250L-FTU250-3A

Alternate Item Number: 13713901

UPC: 7909322748252

Contact for Pricing

Overview

The WEG UBW250L-FTU250-3A is a 250A molded case circuit breaker (MCCB) from the UBW Series, engineered for industrial-grade overcurrent protection in demanding environments. Rated for 250A continuous current with a 100kA interrupting rating at 480VAC, this 3-pole breaker delivers high-performance fault protection for motor circuits, distribution panels, and power systems. Designed with a thermal-magnetic tripping mechanism, it ensures precise response to overloads and short circuits, maintaining system integrity under fault conditions. The UBW250L-FTU250-3A is certified to UL 489 and IEC 60947-2 standards, meeting global safety and performance requirements for industrial applications. Ideal for heavy-duty sectors such as manufacturing, mining, oil & gas, and renewable energy, this breaker is built to withstand harsh operating conditions while providing reliable protection. Its modular design simplifies installation and maintenance, reducing downtime and operational disruptions. The breaker supports a range of accessories, including shunt trips, auxiliary contacts, and alarm switches, allowing for enhanced functionality and system integration. With a compact footprint and durable construction, the UBW250L-FTU250-3A ensures long-term reliability, protecting critical equipment from damage and extending the lifespan of electrical systems.
  • 250A continuous current rating with 100kA interrupting rating at 480VAC
  • 3-pole molded case circuit breaker (MCCB) for industrial applications
  • Thermal-magnetic tripping mechanism for overload and short-circuit protection
  • UL 489 and IEC 60947-2 certified for global compliance
  • Modular design with accessories for enhanced functionality

Specifications

Breaker interuption capacity @480 Vac
100.0 kA
Current Rating
250 A
Frame size
250
Number Of Poles
3
Rated current
250.0 A
Series
UBW
Trip type
Fixed thermal and magnetic
Package Weight (Imperial)
14.828 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

What is the interrupting rating of the UBW250L-FTU250-3A?

The UBW250L-FTU250-3A has a 100kA interrupting rating at 480VAC.

What standards does this breaker comply with?

The breaker is certified to UL 489 and IEC 60947-2 standards.

How many poles does the UBW250L-FTU250-3A have?

The UBW250L-FTU250-3A is a 3-pole circuit breaker.

What is the thermal setting for this breaker?

The thermal setting is 250A, matching the continuous current rating.

Where can this breaker be used?

Suitable for motor circuits, distribution panels, power systems, and renewable energy installations.

Does this breaker support accessories?

Yes, accessories like shunt trips and auxiliary contacts are available for the UBW Series.

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.