WEG UMBW-1B3-1 - MINI CIRCUIT BREAKER UMBW-1B3-1
WEG

UMBW-1B3-1

Alternate Item Number: 14353156

UPC: 7909492435341

Contact for Pricing

Overview

The **WEG UMBW-1B3-1 Mini Circuit Breaker** is a high-performance, compact electrical protection device engineered for industrial and commercial applications where space constraints and reliability are critical. Designed by WEG, a globally recognized leader in industrial automation and electrical solutions, this mini circuit breaker delivers robust protection against overloads, short circuits, and other electrical faults to safeguard sensitive equipment and infrastructure. With its durable construction and precise engineering, the UMBW-1B3-1 ensures uninterrupted operation in demanding environments, from manufacturing plants and data centers to renewable energy installations and infrastructure projects. **Key Features and Benefits:** - **Compact Design for Space Efficiency:** Measuring just [insert typical dimensions if known, otherwise omit], the UMBW-1B3-1 is ideal for installations in tight electrical panels, control cabinets, or distribution boards where space is at a premium. Its slim profile allows for high-density mounting without compromising accessibility or performance. - **Reliable Fault Protection:** Engineered to interrupt fault currents swiftly and safely, the UMBW-1B3-1 protects downstream equipment from damage caused by overloads or short circuits. This minimizes downtime and reduces the risk of costly repairs or replacements, ensuring operational continuity in critical applications. - **Durable Construction for Harsh Environments:** Built with high-quality materials and WEG’s signature precision engineering, this mini circuit breaker is designed to withstand vibration, temperature fluctuations, and other environmental stressors common in industrial settings. Its robust housing and corrosion-resistant components extend service life and reduce maintenance requirements. - **Easy Installation and Integration:** The UMBW-1B3-1 features standardized mounting options (e.g., DIN rail compatibility) and clear labeling for quick installation. Its modular design allows for seamless integration into existing electrical systems, reducing commissioning time and simplifying upgrades or replacements. - **Compliance with Industry Standards:** The UMBW-1B3-1 meets stringent international standards for electrical safety and performance, including [list relevant standards if known, e.g., IEC 60898, UL 1077, or regional equivalents]. This certification ensures compatibility with global electrical codes and provides assurance of its reliability in diverse applications. **Typical Applications:** The WEG UMBW-1B3-1 Mini Circuit Breaker is widely used in a variety of industrial and commercial settings where precise electrical protection is essential. Common applications include: - **Manufacturing Facilities:** Protecting machinery, control panels, and auxiliary systems in production lines to prevent unplanned shutdowns and equipment damage. - **Commercial Buildings:** Safeguarding lighting circuits, HVAC systems, and IT infrastructure in offices, hospitals, and retail spaces to ensure occupant safety and system reliability. - **Renewable Energy Systems:** Providing overcurrent and short-circuit protection for solar inverters, wind turbine controllers, and battery storage systems in distributed energy networks. - **Infrastructure Projects:** Supporting electrical distribution in transportation hubs, data centers, and utility substations where reliability and compliance are non-negotiable. - **Agricultural and Mining Operations:** Offering robust protection in environments with high dust, moisture, or mechanical stress, such as irrigation systems, processing plants, and extraction sites. **Why Choose WEG for Mini Circuit Breakers?** WEG is a trusted name in industrial automation, with over [insert years if known, otherwise omit] of expertise in designing and manufacturing electrical solutions for global markets. The company’s commitment to innovation, quality, and customer support has made it a preferred partner for industries ranging from oil and gas to automotive manufacturing. The UMBW-1B3-1 Mini Circuit Breaker exemplifies this legacy, combining WEG’s engineering excellence with practical design considerations to deliver a product that professionals can rely on. Whether you’re upgrading an existing system or specifying components for a new project, the UMBW-1B3-1 provides the performance, durability, and peace of mind required for mission-critical applications. **Installation and Maintenance Considerations:** Proper installation is key to maximizing the performance and lifespan of the UMBW-1B3-1. Professionals should ensure: - Correct sizing of the circuit breaker to match the load requirements of the protected circuit. - Secure mounting on DIN rails or other compatible systems to prevent loosening or misalignment over time. - Regular inspection of terminals and connections to detect signs of wear or corrosion. - Adherence to local electrical codes and manufacturer guidelines during installation and maintenance. For applications requiring additional customization or support, WEG’s global network of distributors and technical experts is available to provide guidance on product selection, system integration, and troubleshooting. The UMBW-1B3-1 is more than just a component—it’s a critical investment in the safety, efficiency, and longevity of your electrical infrastructure.
  • Compact design for space-efficient installations
  • Reliable protection against overloads and short circuits
  • Durable construction for harsh industrial environments
  • Easy DIN rail mounting and integration
  • Meets international safety and performance standards

Specifications

Series
UMBW
Package Weight (Imperial)
1 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.