WEG UMBW-4D3-13 - MINI CIRCUIT BREAKER UMBW-4D3-13
WEG

UMBW-4D3-13

Alternate Item Number: 14363258

UPC: 7909492438199

Contact for Pricing

Overview

The WEG UMBW-4D3-13 Miniature Circuit Breaker (MCB) is engineered to deliver robust and dependable overcurrent protection for a wide array of industrial electrical circuits and sensitive equipment. As a critical component in modern electrical systems, this MCB from WEG, a globally recognized leader in motor and drive technology, ensures operational continuity and safety by effectively mitigating the risks associated with electrical faults. This UMBW-4D3-13 model exemplifies the advanced design principles of miniature circuit breakers, which are indispensable for safeguarding branch circuits. Its integrated thermal and magnetic trip mechanisms work in concert to provide comprehensive protection. The thermal element responds to sustained overloads, gradually tripping the breaker as current levels exceed safe thresholds over time, thereby preventing overheating and potential insulation damage. Simultaneously, the magnetic element offers instantaneous trip capabilities, reacting swiftly to severe short-circuit conditions by rapidly interrupting power flow. This dual-action protection is paramount in preventing catastrophic equipment failures, reducing the likelihood of electrical fires, and ensuring the safety of personnel. WEG's commitment to quality and performance is evident in the construction and reliability of the UMBW-4D3-13. These circuit breakers are essential safety devices, frequently specified for demanding applications such as motor control circuits, distribution panels, industrial power systems, and control cabinets. Their compact form factor allows for efficient use of space within electrical enclosures, a significant advantage in densely populated industrial environments. The automatic disconnection of power during fault conditions is not merely a protective measure; it is a fundamental requirement for compliance with electrical safety standards and for maintaining the integrity of complex industrial operations. Selecting the appropriate circuit breaker is a crucial step in electrical system design. Factors such as the rated current, tripping characteristics, and breaking capacity must align with the specific load requirements and potential fault currents of the circuit being protected. The WEG UMBW-4D3-13, with its reliable performance, is designed to meet the rigorous demands of industrial settings, offering peace of mind and consistent protection. Professionals rely on WEG for their expertise in electrical protection solutions, making the UMBW-4D3-13 a trusted choice for critical infrastructure and manufacturing facilities. Key features and benefits of the WEG UMBW-4D3-13 include: * **Dual Protection:** Combines thermal and magnetic trip units for comprehensive overload and short-circuit protection. * **Compact Design:** Space-saving miniature form factor ideal for panel building and control cabinets. * **Reliable Operation:** Engineered by WEG for consistent and dependable fault interruption. * **Enhanced Safety:** Prevents equipment damage, reduces fire hazards, and protects personnel. * **Versatile Application:** Suitable for motor circuits, distribution, and general industrial power protection. By investing in the WEG UMBW-4D3-13, industrial facilities can significantly enhance their electrical safety protocols, minimize downtime, and protect valuable assets from the damaging effects of electrical faults. This circuit breaker represents a vital layer of defense in any robust electrical protection strategy.
  • WEG UMBW-4D3-13 Miniature Circuit Breaker (MCB)
  • Provides reliable overcurrent protection for industrial applications
  • Features integrated thermal and magnetic trip mechanisms
  • Essential for safeguarding motor circuits, distribution panels, and equipment
  • Ensures electrical safety by preventing damage and fires

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.