WEG UMBW-4B2-60 - MINI CIRCUIT BREAKER UMBW-4B2-60
WEG

UMBW-4B2-60

Alternate Item Number: 14361150

UPC: 7909492436799

Contact for Pricing

Overview

The **WEG UMBW-4B2-60 Mini Circuit Breaker** is a high-performance electrical protection device engineered for industrial applications where reliability and precision are critical. Part of WEG’s esteemed UMBW series, this circuit breaker delivers robust protection against overloads and short circuits, ensuring the safety and longevity of electrical systems in demanding environments. Designed for industrial automation, machinery, and power distribution systems, the UMBW-4B2-60 combines a compact footprint with exceptional durability, making it ideal for installations in tight spaces without compromising performance. WEG, a globally recognized leader in industrial electrical solutions, has designed the UMBW-4B2-60 to meet the rigorous demands of modern industrial applications. Its **precise trip characteristics** ensure rapid response to fault conditions, minimizing downtime and reducing the risk of equipment damage. The circuit breaker’s **high breaking capacity** and **robust construction** provide long-term reliability, even in harsh operating conditions such as dust, moisture, and temperature fluctuations. Professionals in industries like manufacturing, mining, oil & gas, and renewable energy rely on WEG’s circuit breakers for their proven track record of safety and efficiency. **Key Applications and Industry Use Cases** The UMBW-4B2-60 is engineered for a wide range of industrial applications, including: - **Industrial Automation:** Protecting control panels, PLCs, and motor starters in automated production lines. - **Machinery Protection:** Safeguarding sensitive equipment in CNC machines, conveyors, and robotic systems. - **Power Distribution:** Managing branch circuits in switchgear and distribution boards for commercial and industrial facilities. - **Renewable Energy Systems:** Ensuring safe operation in solar inverters, wind turbine controllers, and battery storage systems. - **Oil & Gas and Mining:** Providing reliable protection in hazardous environments where electrical faults pose significant risks. **Why Choose the WEG UMBW-4B2-60?** Selecting the right circuit breaker is essential for maintaining operational efficiency and safety in industrial settings. The UMBW-4B2-60 stands out for several reasons: - **Compact Design:** Its space-saving form factor allows for easy integration into crowded control panels and enclosures, optimizing panel layout and reducing installation costs. - **High Performance:** With a **high breaking capacity**, it effectively interrupts fault currents, preventing catastrophic damage to downstream equipment. - **Durability:** Built to withstand the rigors of industrial environments, the UMBW-4B2-60 resists corrosion, vibration, and extreme temperatures, ensuring consistent performance over its lifespan. - **Easy Installation and Maintenance:** Designed for quick mounting and wiring, the circuit breaker simplifies both initial setup and future servicing, reducing downtime and labor costs. - **Compliance and Safety:** WEG’s circuit breakers are manufactured to meet international standards, including IEC and UL certifications, providing peace of mind for engineers and facility managers. **Installation and Selection Considerations** When specifying the UMBW-4B2-60, professionals should consider the following factors to ensure optimal performance: - **Current Rating:** Match the breaker’s rating to the load requirements of the protected circuit to avoid nuisance tripping or inadequate protection. - **Environmental Conditions:** Assess the operating environment for factors like temperature, humidity, and exposure to contaminants to select the appropriate enclosure or protective measures. - **Coordination with Other Protective Devices:** Ensure the circuit breaker is properly coordinated with upstream and downstream protective devices to achieve selective coordination and minimize system-wide outages. - **Mounting and Wiring:** Follow manufacturer guidelines for proper mounting orientation and torque specifications to maintain electrical integrity and safety. WEG’s reputation for innovation and quality makes the UMBW-4B2-60 a trusted choice for engineers and procurement professionals worldwide. With decades of experience in industrial electrical solutions, WEG delivers products that combine cutting-edge technology with rugged reliability. The UMBW-4B2-60 Mini Circuit Breaker is no exception—it’s a dependable solution for protecting critical electrical systems in the most challenging industrial environments.
  • High-performance protection against overloads and short circuits
  • Compact design for easy installation in tight spaces
  • Robust construction for durability in harsh industrial environments
  • High breaking capacity for reliable fault interruption
  • Ideal for industrial automation, machinery, and power distribution

Specifications

Series
UMBW
Package Weight (Imperial)
0.7 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.