WEG UMBW-1D3-15 - MINI CIRCUIT BREAKER UMBW-1D3-15
WEG

UMBW-1D3-15

Alternate Item Number: 14361226

UPC: 7909492436898

Contact for Pricing

Overview

The **WEG UMBW-1D3-15 Mini Circuit Breaker** is a high-performance, compact electrical protection device engineered for industrial applications requiring reliable overcurrent and short-circuit protection. Designed by WEG, a global leader in electric motor and automation solutions, this **15A 1-pole (1P) MCB** delivers precise thermal and magnetic trip mechanisms to safeguard critical electrical circuits, motors, and distribution systems. Its miniature form factor ensures space-efficient installation in control panels, motor starters, and branch circuit applications, making it an ideal choice for engineers, electricians, and maintenance professionals prioritizing safety and efficiency in industrial environments. **Key Features and Technical Benefits:** - **Dual Trip Mechanism:** Combines thermal overload protection (slow response to gradual current increases) and magnetic instantaneous tripping (rapid response to short circuits), ensuring comprehensive fault detection and system safety. - **Compact 1-Pole Design:** Optimized for single-phase applications, this MCB fits seamlessly into tight panel spaces while maintaining robust performance. The **UMBW series** is part of WEG’s trusted lineup of protection devices, known for durability and compliance with international standards. - **15A Current Rating:** Precisely rated for circuits requiring 15 amperes of continuous current, preventing overheating and reducing the risk of equipment damage or electrical fires. - **Industrial-Grade Construction:** Built to withstand harsh operating conditions, including vibration, dust, and temperature fluctuations, ensuring long-term reliability in factories, workshops, and commercial facilities. - **Easy Installation and Maintenance:** Features a user-friendly design with clear markings, snap-in mounting, and compatibility with standard DIN rail systems, simplifying integration into new or existing electrical panels. **Typical Applications:** The **WEG UMBW-1D3-15** is widely used in industries such as manufacturing, mining, oil & gas, water treatment, and renewable energy. Common applications include: - **Motor Protection:** Safeguarding single-phase motors in pumps, conveyors, and HVAC systems from overloads and short circuits. - **Distribution Panels:** Protecting branch circuits in industrial switchgear, control cabinets, and power distribution units. - **Lighting and Control Circuits:** Ensuring stable operation in lighting systems, control panels, and auxiliary circuits where precise current limiting is critical. - **Renewable Energy Systems:** Providing reliable protection in solar inverters, wind turbine controllers, and battery management systems. **Why Choose WEG for Industrial Protection?** WEG is a globally recognized manufacturer with over 50 years of expertise in electrical engineering, automation, and power solutions. The **UMBW series** reflects the company’s commitment to innovation, quality, and compliance with international standards such as IEC 60898 and UL 489. Professionals trust WEG for its: - **Proven Reliability:** Decades of field experience in industrial environments, ensuring minimal downtime and maximum safety. - **Global Support Network:** Access to technical expertise, spare parts, and after-sales service across key markets. - **Sustainability Focus:** Energy-efficient designs that reduce power consumption and environmental impact. **Selection and Installation Considerations:** When specifying the **WEG UMBW-1D3-15**, professionals should evaluate: - **Load Requirements:** Ensure the 15A rating aligns with the circuit’s continuous current demand, accounting for startup surges in motor applications. - **Environmental Conditions:** Verify the MCB’s IP rating and temperature range to confirm suitability for the installation site. - **Coordination with Upstream Protection:** Select complementary devices (e.g., contactors, relays) to achieve selective coordination and prevent nuisance tripping. - **Compliance:** Confirm adherence to local electrical codes and industry-specific regulations (e.g., NEC, IEC, or NEMA standards). **Conclusion:** For engineers and maintenance teams seeking a **compact, high-performance mini circuit breaker** for industrial applications, the **WEG UMBW-1D3-15** offers a trusted solution. Its combination of precision protection, durability, and ease of installation makes it a cornerstone component in modern electrical systems. Whether protecting motors, distribution circuits, or control panels, WEG’s **UMBW series** delivers the reliability and performance required in today’s demanding industrial landscapes.
  • 15A current rating with 1-pole (1P) configuration
  • Dual thermal/magnetic trip mechanisms for overload and short-circuit protection
  • Compact design for space-efficient installation in industrial panels
  • Industrial-grade durability for harsh operating environments
  • Compliant with IEC 60898 and UL 489 standards

Specifications

Package Weight (Imperial)
1 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.