WEG UMBW-1C2-25 - MINI CIRCUIT BREAKER UMBW-1C2-25
WEG

UMBW-1C2-25

Alternate Item Number: 13929053

UPC: 7909492435006

Contact for Pricing

Overview

The WEG UMBW-1C2-25 Miniature Circuit Breaker (MCB) stands as a cornerstone of electrical safety and reliability in demanding industrial environments. Engineered by WEG, a globally recognized leader in electrical equipment manufacturing, this compact yet robust device is designed to provide essential overcurrent protection for a wide array of electrical circuits and sensitive equipment. Its primary function is to automatically disconnect power when fault conditions, such as overloads or short circuits, are detected, thereby preventing catastrophic damage to machinery, mitigating the risk of electrical fires, and ensuring the safety of personnel. This specific model, the UMBW-1C2-25, is a single-pole, 25-ampere rated circuit breaker, ideal for protecting individual branch circuits within distribution panels, motor control centers, and various industrial power systems. The integration of both thermal and magnetic trip mechanisms is a key characteristic of miniature circuit breakers, offering comprehensive protection. The thermal element responds to sustained overcurrents, typically caused by gradual overloading, while the magnetic element provides instantaneous tripping during severe short-circuit events. This dual-action approach ensures swift and appropriate response to different fault scenarios. Applications for the WEG UMBW-1C2-25 are extensive across numerous industrial sectors. It is commonly employed in: * **Motor Protection:** Safeguarding electric motors from damage due to overloads or phase imbalances. * **Distribution Panels:** Serving as a vital component in main and sub-distribution boards for controlling and protecting individual circuits. * **Industrial Automation:** Protecting control systems, sensors, and actuators in automated manufacturing processes. * **HVAC Systems:** Ensuring the reliable operation and protection of heating, ventilation, and air conditioning equipment in commercial and industrial settings. * **Lighting Circuits:** Providing safety and operational integrity for industrial lighting installations. Choosing the correct circuit breaker is paramount for effective electrical system design and maintenance. Factors such as the continuous current rating, tripping characteristics (e.g., Type C for inductive loads), breaking capacity, and environmental conditions must be carefully considered. The WEG UMBW-1C2-25, with its reliable performance and compact design, simplifies the selection process for many standard industrial applications. Its robust construction ensures durability and longevity, even in harsh operating conditions often found in manufacturing plants, processing facilities, and heavy industry. WEG's commitment to quality and innovation is reflected in the UMBW series of miniature circuit breakers. By investing in high-quality protective devices like the UMBW-1C2-25, industrial facilities can significantly enhance their operational uptime, reduce maintenance costs associated with equipment failure, and maintain a safer working environment. This circuit breaker is more than just a safety device; it's an integral part of a well-designed and resilient electrical infrastructure, contributing to the overall efficiency and productivity of industrial operations.
  • WEG UMBW-1C2-25 Miniature Circuit Breaker (MCB)
  • Provides essential overcurrent protection (overload & short-circuit)
  • Compact, single-pole design for space-saving installations
  • Reliable thermal and magnetic trip mechanisms
  • Ideal for industrial motor circuits, distribution panels, and automation

Specifications

Package Weight (Imperial)
0.704 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.