WEG UMBW-1D1-40 - MINI CIRCUIT BREAKER UMBW-1D1-40
WEG

UMBW-1D1-40

Alternate Item Number: 14360529

UPC: 7909492436355

Contact for Pricing

Overview

The WEG UMBW-1D1-40 is a high-performance miniature circuit breaker (MCB) engineered for robust industrial electrical protection. Designed to safeguard electrical circuits and sensitive equipment from damaging overcurrent events, this 40A breaker from WEG's UMBW series is an indispensable component in modern industrial power systems. MCBs like the UMBW-1D1-40 are critical for ensuring operational continuity and safety by automatically interrupting power flow when fault conditions arise, thereby preventing equipment failure, potential fires, and costly downtime. This specific model, the UMBW-1D1-40, integrates both thermal and magnetic trip mechanisms. The thermal element provides protection against sustained overloads, which can occur due to gradual increases in current draw or minor equipment malfunctions. The magnetic element offers instantaneous response to severe short-circuit conditions, reacting rapidly to high fault currents. This dual-action protection strategy is fundamental for comprehensive circuit integrity, especially in demanding industrial environments where equipment is subjected to variable loads and potential fault scenarios. The compact design of miniature circuit breakers makes them ideal for space-constrained applications, such as within distribution panels, motor control centers, and control cabinets. Key applications for the WEG UMBW-1D1-40 include: * **Motor Protection:** Safeguarding electric motors from overloads and short circuits, ensuring their longevity and reliable operation. * **Distribution Panels:** Providing essential branch circuit protection in industrial facilities, commercial buildings, and manufacturing plants. * **Control Systems:** Protecting sensitive control circuitry and automation components from electrical disturbances. * **General Power Distribution:** Offering reliable overcurrent protection for a wide range of industrial equipment and machinery. WEG is a globally recognized leader in the manufacturing of electric motors, drives, and electrical equipment, renowned for its commitment to quality, innovation, and reliability. Choosing a WEG circuit breaker like the UMBW-1D1-40 means investing in a product built to meet stringent industrial standards and deliver dependable performance. Professionals select WEG products for their durability, efficiency, and the peace of mind that comes with a trusted manufacturer. The UMBW-1D1-40 is designed for straightforward installation and integration into existing electrical infrastructure, offering a cost-effective solution for critical safety and protection requirements. Its robust construction ensures it can withstand the harsh conditions often found in industrial settings, making it a reliable choice for safeguarding your valuable assets.
  • WEG UMBW-1D1-40 Miniature Circuit Breaker (MCB)
  • 40 Ampere (40A) current rating for industrial applications
  • UMBW Series for reliable overcurrent protection
  • Combines thermal and magnetic trip mechanisms
  • Essential for safeguarding electrical circuits and equipment

Specifications

Current Rating
40 A
Mounting Type
DIN Rail
Poles
1P
Series
UMBW
Package Weight (Imperial)
0.3 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.