WEG UMBW-1B2-10 - MINI CIRCUIT BREAKER UMBW-1B2-10
WEG

UMBW-1B2-10

Alternate Item Number: 14351840

UPC: 7909492435211

Contact for Pricing

Overview

The WEG UMBW-1B2-10 Mini Circuit Breaker is a high-performance electrical protection device engineered for industrial and commercial applications where space efficiency and reliability are critical. Designed by WEG, a global leader in electrical engineering solutions, this miniature circuit breaker (MCB) delivers robust protection against overloads and short circuits while maintaining a compact footprint for seamless integration into existing electrical panels. Whether deployed in manufacturing facilities, data centers, commercial buildings, or renewable energy systems, the UMBW-1B2-10 ensures continuous operation of critical circuits with minimal risk of downtime. Engineered for durability, the WEG UMBW-1B2-10 features a rugged construction that withstands harsh industrial environments, including exposure to dust, moisture, and temperature fluctuations. Its precision tripping mechanism responds rapidly to fault conditions, isolating faulty circuits to prevent equipment damage and fire hazards. The breaker’s modular design allows for quick installation and replacement, reducing maintenance time and operational costs. With a standardized form factor, it is fully compatible with industry-standard DIN rail mounting systems, making it ideal for retrofitting or new installations. Industries such as automation, HVAC, lighting systems, and motor control rely on WEG’s MCBs for dependable performance. The UMBW-1B2-10 is particularly well-suited for applications requiring precise current ratings and reliable fault protection, such as control panels, distribution boards, and branch circuit protection. Professionals trust WEG’s legacy of innovation and quality, backed by decades of expertise in electrical protection systems. The company’s global presence ensures consistent supply chains, technical support, and compliance with international safety standards, including IEC and UL certifications. Selecting the right circuit breaker involves evaluating factors such as current rating, breaking capacity, and application-specific requirements. The WEG UMBW-1B2-10 is optimized for low to medium current applications, offering a balance between compactness and performance. Its thermal-magnetic tripping characteristic ensures both overload and short-circuit protection, while the clear ON/OFF indicator provides immediate visual feedback. For engineers and electricians, this breaker simplifies system design by eliminating the need for complex wiring configurations, thanks to its plug-in terminals and standardized dimensions. WEG’s commitment to sustainability is reflected in the energy-efficient design of the UMBW-1B2-10, which minimizes power losses and reduces carbon footprint in electrical systems. The breaker’s long service life and low maintenance requirements contribute to lifecycle cost savings, making it a cost-effective choice for budget-conscious operations. With a reputation for reliability and a global distribution network, WEG ensures that the UMBW-1B2-10 is readily available to meet the demands of modern industrial and commercial infrastructures. Trust in WEG’s expertise to safeguard your electrical systems with a circuit breaker that combines precision, durability, and ease of integration.
  • Compact design for space-efficient installation in control panels
  • Thermal-magnetic tripping for overload and short-circuit protection
  • DIN rail mounting compatibility for easy integration
  • Rugged construction for harsh industrial environments
  • WEG’s trusted global reputation in electrical protection solutions

Specifications

Package Weight (Imperial)
0.7 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.