WEG UMBW-1D3-8 - MINI CIRCUIT BREAKER UMBW-1D3-8
WEG

UMBW-1D3-8

Alternate Item Number: 14361409

UPC: 7909492437116

Contact for Pricing

Overview

Ensure robust and reliable electrical protection for your industrial operations with the WEG UMBW-1D3-8 Miniature Circuit Breaker (MCB). Designed for demanding environments, this single-pole (1P) breaker offers essential overcurrent protection, safeguarding sensitive equipment and personnel from potential hazards. The UMBW-1D3-8 series from WEG is engineered with precision, incorporating both thermal and magnetic trip mechanisms. The thermal element provides protection against sustained overloads, which can gradually damage components, while the magnetic element offers instantaneous response to severe short-circuit conditions, preventing catastrophic failures. This compact yet powerful device is crucial for maintaining the integrity of electrical circuits in a wide array of industrial applications. From motor control circuits and distribution panels to lighting systems and general power distribution, the WEG UMBW-1D3-8 acts as a critical safety device. Its automatic disconnection of power during fault events is paramount in preventing equipment damage, reducing downtime, and mitigating the risk of electrical fires. Professionals rely on MCBs like the UMBW-1D3-8 for their dependable performance and ease of integration into existing electrical infrastructure. The WEG UMBW-1D3-8, with its 8 Ampere (A) current rating, is specifically suited for applications requiring precise current limitation. Its single-pole configuration makes it ideal for protecting individual circuits where a neutral conductor is not part of the fault path or where phase protection is the primary concern. WEG is a globally recognized leader in electrical equipment manufacturing, known for its commitment to quality, innovation, and durability. Choosing a WEG circuit breaker means investing in a product backed by extensive research and development, ensuring long-term operational efficiency and safety. Key features and benefits of the WEG UMBW-1D3-8 include: * **Reliable Overcurrent Protection:** Combines thermal and magnetic trip units for comprehensive protection against overloads and short circuits. * **Compact Design:** Single-pole (1P) configuration saves valuable panel space, facilitating easier installation in confined areas. * **High-Quality Construction:** Manufactured by WEG, a trusted name in industrial electrical solutions, ensuring durability and long service life. * **Enhanced Safety:** Automatically disconnects power during fault conditions, preventing equipment damage and reducing fire hazards. * **Versatile Application:** Suitable for motor circuits, distribution panels, lighting, and general industrial power distribution. * **Precise Current Rating:** 8A rating ensures appropriate protection for circuits with specific current requirements. When selecting circuit protection, understanding the load characteristics and potential fault currents is vital. The WEG UMBW-1D3-8 is designed to meet stringent industrial standards, providing peace of mind for engineers and maintenance personnel. Its straightforward installation process, typically involving DIN rail mounting, further simplifies its integration into control panels and electrical enclosures. Invest in the WEG UMBW-1D3-8 for dependable, efficient, and safe electrical circuit protection in your industrial setting.
  • WEG UMBW-1D3-8 Miniature Circuit Breaker (MCB)
  • 8 Ampere (A) Current Rating
  • Single-Pole (1P) Configuration
  • Thermal and Magnetic Trip Mechanisms for Overload & Short-Circuit Protection
  • Ideal for Industrial Motor Circuits, Distribution Panels, and Power Systems

Specifications

Package Weight (Imperial)
1 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.