WEG Strategic Partner Distributor
WEG UMBW-4C3-12 - MINI CIRCUIT BREAKER UMBW-4C3-12
WEG

UMBW-4C3-12

Alternate Item Number: 14362299

UPC: 7909492437826

Contact for Pricing

Overview

The WEG UMBW-4C3-12 Mini Circuit Breaker stands as a cornerstone of robust electrical protection for demanding industrial environments. Engineered by WEG, a globally recognized leader in electrical solutions, this compact yet powerful device is designed to safeguard critical machinery and electrical infrastructure from the disruptive effects of overcurrents and short circuits. Its primary function is to interrupt the flow of electricity instantaneously when fault conditions are detected, thereby preventing damage to equipment, minimizing downtime, and ensuring the safety of personnel. The UMBW series, to which the UMBW-4C3-12 belongs, is specifically developed for applications where space is at a premium but performance cannot be compromised. This makes it an ideal choice for control panels, motor control centers, and various industrial automation systems where efficient use of cabinet space is paramount. The inherent reliability of WEG products is a testament to their rigorous design and manufacturing processes, ensuring that the UMBW-4C3-12 will perform consistently even under the most challenging operational conditions. Key benefits and features of the WEG UMBW-4C3-12 include: * **Superior Overcurrent Protection:** Effectively detects and interrupts both overload and short-circuit currents, offering comprehensive protection for electrical circuits. * **Compact and Space-Saving Design:** Its miniature footprint allows for high-density installations in electrical enclosures, maximizing usable space. * **High Reliability and Durability:** Constructed with premium materials and subjected to stringent quality control, ensuring long operational life and consistent performance. * **Enhanced Operational Safety:** By preventing electrical faults from escalating, it significantly reduces the risk of fire, equipment damage, and personal injury. * **Versatile Application:** Suitable for a wide array of industrial sectors, including manufacturing, processing plants, material handling, and building automation. When selecting a circuit breaker for industrial applications, factors such as current rating, breaking capacity, trip characteristics, and environmental resistance are critical. The WEG UMBW-4C3-12 is designed to meet these stringent requirements, offering dependable protection that aligns with industry standards. Its installation is straightforward, typically within standard DIN rail mounting systems, facilitating integration into existing or new electrical distribution and control systems. Professionals trust WEG for its commitment to innovation and quality, making the UMBW-4C3-12 a prudent choice for any application demanding reliable and efficient electrical circuit protection. Investing in a WEG circuit breaker is an investment in the longevity and safety of your industrial operations.
  • WEG UMBW-4C3-12 Mini Circuit Breaker for industrial electrical protection.
  • Reliable safeguarding against overloads and short circuits.
  • Compact design ideal for space-constrained control panels.
  • Engineered for durability and consistent performance in demanding environments.
  • Enhances operational safety and prevents equipment damage.

Specifications

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.