WEG UMBW-1C2-50 - MINI CIRCUIT BREAKER UMBW-1C2-50
WEG

UMBW-1C2-50

Alternate Item Number: 14360117

UPC: 7909492435778

Contact for Pricing

Overview

The **WEG UMBW-1C2-50 Mini Circuit Breaker** is a high-performance miniature circuit breaker (MCB) designed to deliver reliable overcurrent protection for a wide range of electrical applications. Part of the UMBW Series, this 50A-rated breaker combines thermal and magnetic trip mechanisms to safeguard circuits against overloads and short circuits, ensuring operational safety and equipment longevity. Engineered for durability and precision, the UMBW-1C2-50 is ideal for protecting branch circuits in motor control centers, distribution panels, and industrial power distribution systems. Its compact design allows for efficient space utilization in control cabinets and switchgear, making it a preferred choice for engineers and electricians seeking dependable protection without compromising on performance. This WEG circuit breaker is built to meet the rigorous demands of modern industrial environments, where electrical faults can pose significant risks to personnel and assets. The **UMBW Series** is renowned for its robust construction, fast response times, and compliance with international safety standards, providing peace of mind in critical applications. Whether installed in manufacturing plants, commercial buildings, or renewable energy systems, the UMBW-1C2-50 ensures seamless integration with existing infrastructure while offering superior fault detection and interruption capabilities. Key features of the WEG UMBW-1C2-50 include: - **Dual Trip Mechanisms**: The thermal trip element protects against prolonged overloads by responding to excessive current over time, while the magnetic trip element provides instantaneous interruption during short-circuit conditions, minimizing damage to connected equipment. - **Compact Form Factor**: Designed for space-constrained installations, this MCB fits seamlessly into standard DIN rail systems, optimizing panel layout and reducing wiring complexity. - **High Breaking Capacity**: Engineered to interrupt fault currents efficiently, the UMBW-1C2-50 ensures reliable operation even in high-fault scenarios, enhancing system reliability. - **Easy Installation and Maintenance**: With a user-friendly design, the breaker can be quickly installed, tested, and replaced, reducing downtime during maintenance or upgrades. - **Compliance and Reliability**: Manufactured by WEG, a global leader in electrical solutions, the UMBW-1C2-50 adheres to stringent industry standards, including IEC 60898-1 and UL 1077, ensuring compatibility with international electrical codes. Typical applications for the WEG UMBW-1C2-50 include: - **Motor Circuits**: Protecting motors from overloads and short circuits in industrial machinery, HVAC systems, and pumps. - **Distribution Panels**: Safeguarding branch circuits in commercial buildings, data centers, and manufacturing facilities. - **Renewable Energy Systems**: Ensuring safe operation in solar and wind power installations by preventing overcurrent conditions. - **Control Panels**: Providing localized protection for sensitive control circuits in automation and instrumentation systems. - **Industrial Power Systems**: Supporting reliable operation in harsh environments, such as chemical plants, mining operations, and oil & gas facilities. Selecting the right circuit breaker is critical to maintaining electrical system integrity, and the WEG UMBW-1C2-50 stands out for its balance of performance, durability, and ease of use. WEG’s reputation for innovation and quality ensures that professionals can trust this MCB to deliver consistent protection across diverse applications. For engineers and electricians seeking a dependable, high-quality miniature circuit breaker, the UMBW-1C2-50 is a proven solution that combines WEG’s engineering excellence with practical, real-world functionality.
  • 50A rated miniature circuit breaker (MCB) from WEG’s UMBW Series
  • Dual thermal and magnetic trip mechanisms for overload and short-circuit protection
  • Compact design for DIN rail mounting in space-constrained panels
  • High breaking capacity for reliable fault current interruption
  • Compliant with IEC 60898-1 and UL 1077 standards for global applications

Specifications

Current Rating
50 A
Mounting Type
DIN Rail
Poles
2P
Poles
1P
Series
UMBW
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.