WEG UMBW-1C3-63 - MINI CIRCUIT BREAKER UMBW-1C3-63
WEG

UMBW-1C3-63

Alternate Item Number: 14360371

UPC: 7909492436102

Contact for Pricing

Overview

The WEG UMBW-1C3-63 Mini Circuit Breaker is a high-performance, compact electrical protection device engineered for industrial and commercial applications where reliability and space efficiency are critical. Designed to meet stringent international safety standards, this circuit breaker provides robust overload and short-circuit protection, ensuring the longevity of electrical systems while minimizing downtime. Its modular design and space-saving form factor make it an ideal choice for tight control panels, machinery enclosures, and distributed electrical systems where installation flexibility is paramount. Engineered by WEG, a global leader in electrical motor and automation solutions, the UMBW-1C3-63 combines decades of expertise in industrial electrical protection with cutting-edge thermal-magnetic tripping technology. This ensures precise response to fault conditions, reducing the risk of equipment damage and enhancing operational safety. The breaker’s high interrupting rating and thermal stability make it suitable for demanding environments, including manufacturing plants, commercial buildings, and infrastructure projects where consistent performance is non-negotiable. Installation is streamlined thanks to its DIN rail compatibility and user-friendly terminal design, allowing for quick integration into existing systems without complex modifications. Professionals in electrical engineering, panel building, and maintenance rely on WEG’s reputation for durability and technical support, ensuring that the UMBW-1C3-63 delivers long-term value with minimal maintenance requirements. Whether protecting sensitive control circuits or branch distribution lines, this mini circuit breaker offers a reliable, cost-effective solution for safeguarding critical infrastructure. Common applications include: - Control panels in industrial machinery - Lighting distribution systems in commercial facilities - Motor control centers and variable frequency drive (VFD) circuits - Renewable energy systems and solar power distribution - Building automation and HVAC control networks When selecting a mini circuit breaker for industrial use, key considerations include interrupting rating, thermal trip characteristics, and compliance with local electrical codes. The WEG UMBW-1C3-63 addresses these needs with a robust design that balances performance and affordability. Backed by WEG’s global service network and adherence to ISO-certified manufacturing processes, this circuit breaker is not just a component—it’s a strategic investment in the reliability and safety of your electrical infrastructure. Trust WEG to deliver protection that keeps pace with the demands of modern industry.
  • Compact design for space-efficient installations in control panels and machinery
  • Thermal-magnetic tripping for precise overload and short-circuit protection
  • DIN rail compatible for easy integration into existing systems
  • High interrupting rating for reliable fault current handling
  • Manufactured by WEG, a trusted leader in industrial electrical solutions

Specifications

Series
UMBW-1C3-63
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.