WEG UMBW-1C2-5 - MINI CIRCUIT BREAKER UMBW-1C2-5
WEG

UMBW-1C2-5

Alternate Item Number: 14360116

UPC: 7909492435761

Contact for Pricing

Overview

The WEG UMBW-1C2-5 Mini Circuit Breaker (MCB) is a compact, high-performance protective device engineered to safeguard industrial electrical circuits from overcurrent conditions. Designed for branch circuit protection, this miniature circuit breaker combines advanced thermal and magnetic trip mechanisms to deliver comprehensive defense against both overloads and short circuits. The UMBW-1C2-5 is a critical component in modern industrial power distribution systems, ensuring operational safety while minimizing equipment damage and fire risks. As a member of WEG’s premium electrical protection lineup, the UMBW-1C2-5 MCB exemplifies the manufacturer’s commitment to innovation and reliability in industrial automation and power management. WEG, a globally recognized leader in electric motors and industrial solutions, extends its engineering excellence to protective devices, offering products that meet stringent international standards for performance and safety. Professionals across industries trust WEG for solutions that combine durability, precision, and compliance with global electrical codes. **Key Features and Benefits:** - **Dual Protection Mechanism:** The UMBW-1C2-5 integrates both thermal and magnetic trip elements, providing immediate response to overloads (via bimetallic strip activation) and instantaneous interruption of short circuits (via electromagnetic trip). This dual-action design ensures rapid fault detection and isolation, reducing downtime and protecting sensitive equipment. - **Compact and Modular Design:** Engineered for space-constrained installations, the UMBW-1C2-5 features a space-saving form factor that fits seamlessly into distribution panels, motor control centers, and control cabinets. Its modular construction allows for easy integration with WEG’s range of industrial switchgear and protection systems. - **High Breaking Capacity:** Built to handle demanding industrial environments, this MCB offers a robust breaking capacity, effectively interrupting fault currents without compromising performance. This capability is essential in facilities with high fault current levels, such as manufacturing plants, data centers, and large-scale infrastructure projects. - **Compliance and Certification:** The UMBW-1C2-5 meets international safety standards, including IEC 60898-1 and UL 1077, ensuring compatibility with global electrical systems and regulatory requirements. This certification provides peace of mind for engineers and facility managers who prioritize compliance and risk mitigation. - **Easy Installation and Maintenance:** Designed for professional use, the UMBW-1C2-5 features user-friendly mounting options, such as DIN rail compatibility, and clear labeling for quick identification and servicing. Its durable construction and corrosion-resistant materials ensure long-term reliability, even in harsh industrial conditions. **Typical Applications:** The WEG UMBW-1C2-5 Mini Circuit Breaker is ideal for a wide range of industrial applications where reliable overcurrent protection is critical. Common use cases include: - **Motor Circuits:** Protecting electric motors from overloads and short circuits in industrial machinery, pumps, and compressors. - **Distribution Panels:** Safeguarding branch circuits in commercial buildings, industrial facilities, and infrastructure projects. - **Control Systems:** Providing localized protection in automation panels, PLC enclosures, and control cabinets. - **Renewable Energy Systems:** Ensuring safe operation in solar and wind power installations by protecting inverters and distribution circuits. - **HVAC Systems:** Supporting critical climate control applications in data centers, hospitals, and manufacturing plants. **Selection and Installation Considerations:** When specifying the UMBW-1C2-5 MCB, professionals should evaluate the following factors to ensure optimal performance: - **Current Rating:** Select a breaker with a current rating that matches the load requirements of the protected circuit, accounting for startup surges in motor applications. - **Breaking Capacity:** Verify that the breaker’s interrupting rating exceeds the prospective fault current at the installation site to prevent damage during fault conditions. - **Environmental Conditions:** Consider ambient temperature, humidity, and exposure to contaminants, as these factors can impact the breaker’s performance and lifespan. - **Compliance Requirements:** Ensure the MCB meets local electrical codes and industry-specific standards, such as those for hazardous locations or high-reliability applications. **Why Choose WEG?** WEG’s reputation as a trusted provider of industrial electrical solutions is built on decades of innovation, quality, and customer-centric engineering. The UMBW-1C2-5 Mini Circuit Breaker reflects this legacy, offering a combination of advanced protection, durability, and ease of use. By choosing WEG, engineers and facility managers gain access to a global support network, comprehensive documentation, and products designed to deliver long-term value in demanding industrial environments. Whether for new installations or retrofits, the UMBW-1C2-5 MCB is a reliable choice for protecting critical electrical infrastructure.
  • Dual thermal and magnetic trip mechanisms for overload and short-circuit protection
  • Compact, modular design for easy installation in distribution panels
  • High breaking capacity for demanding industrial environments
  • Compliant with IEC 60898-1 and UL 1077 standards
  • Trusted WEG quality for long-term reliability and safety

Specifications

Package Weight (Imperial)
0.7 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.