WEG UMBW-1B3-20 - MINI CIRCUIT BREAKER UMBW-1B3-20
WEG

UMBW-1B3-20

Alternate Item Number: 14353310

UPC: 7909492435426

Contact for Pricing

Overview

The WEG UMBW-1B3-20 Mini Circuit Breaker stands as a cornerstone of reliable electrical protection for demanding industrial environments. Engineered by WEG, a globally recognized leader in electrical equipment manufacturing, this 20A circuit breaker from the UMBW series is meticulously designed to safeguard critical circuits against overcurrent and short-circuit faults. Its robust construction and advanced tripping mechanisms ensure prompt and decisive action, minimizing downtime and preventing costly damage to machinery and electrical infrastructure. Industrial electrical systems are complex and operate under stringent conditions, requiring components that offer unwavering performance and durability. The UMBW-1B3-20 is built to meet these challenges head-on. Its primary function is to interrupt the flow of electricity automatically when an abnormal current condition is detected, thereby protecting sensitive equipment and personnel from potential hazards. This proactive protection is essential for maintaining operational continuity and safety in sectors such as manufacturing, processing plants, automation systems, and power distribution. Key features and benefits of the WEG UMBW-1B3-20 include: * **Precise 20A Current Rating:** Optimized for circuits requiring specific overcurrent protection levels, ensuring efficient and safe operation. * **UMBW Series Reliability:** Part of a proven series known for its consistent performance and long service life in industrial settings. * **Superior Overcurrent and Short-Circuit Protection:** Effectively detects and interrupts fault currents, preventing damage and ensuring safety. * **Compact and Versatile Design:** Facilitates easy installation in control panels, switchboards, and other confined electrical enclosures, common in industrial applications. * **Durable Construction:** Built with high-quality materials to withstand the rigors of industrial environments, including vibration, temperature fluctuations, and electrical stress. Choosing the right circuit breaker is paramount for any industrial electrical design. The WEG UMBW-1B3-20 offers a compelling combination of performance, reliability, and value. Its application extends across a wide array of industrial uses, from protecting motor control circuits and lighting systems to safeguarding power supplies for automation equipment. When selecting components for critical infrastructure, the reputation of the manufacturer is a significant factor. WEG's long-standing commitment to quality and innovation in the electrical industry makes the UMBW-1B3-20 a trusted choice for engineers and maintenance professionals seeking dependable electrical protection solutions. Invest in the security and efficiency of your industrial operations with the WEG UMBW-1B3-20 Mini Circuit Breaker.
  • WEG UMBW-1B3-20 Mini Circuit Breaker
  • 20 Ampere (20A) Current Rating
  • UMBW Series for Industrial Electrical Protection
  • Safeguards against Overcurrent and Short-Circuit Faults
  • Robust Construction for Demanding Industrial Environments

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.