WEG UMBW-1B2-30 - MINI CIRCUIT BREAKER UMBW-1B2-30
WEG

UMBW-1B2-30

Alternate Item Number: 14361812

UPC: 7909492437543

Contact for Pricing

Overview

The **WEG UMBW-1B2-30 Mini Circuit Breaker** is a high-performance electrical protection device engineered for industrial and commercial applications where space efficiency and reliability are critical. Part of WEG’s trusted UMBW series, this 30A circuit breaker delivers robust protection against overloads, short circuits, and other electrical faults, ensuring the safety and longevity of your electrical systems. Designed for engineers and electricians who demand precision and durability, the UMBW-1B2-30 combines a compact form factor with rugged construction, making it ideal for installations in tight enclosures, control panels, or distribution boards where space is at a premium. **Key Features and Benefits** The UMBW-1B2-30 is built to meet the rigorous demands of modern industrial environments. Its **30A current rating** provides reliable protection for circuits operating under continuous or intermittent loads, while its **thermal-magnetic tripping mechanism** ensures rapid response to fault conditions, minimizing downtime and equipment damage. The breaker’s **modular design** allows for easy integration into WEG-compatible switchgear or third-party panels, reducing installation complexity and time. Additionally, the UMBW-1B2-30 is **UL 489 and IEC 60947-2 certified**, guaranteeing compliance with international safety standards for circuit protection. **Industry Applications and Use Cases** This mini circuit breaker is a versatile solution for a wide range of applications, including **manufacturing plants, commercial buildings, data centers, renewable energy systems, and infrastructure projects**. In industrial settings, it is commonly used to protect **motors, lighting circuits, control panels, and auxiliary systems** from electrical faults. For example, in a **food processing facility**, the UMBW-1B2-30 can safeguard critical equipment like conveyors and pumps, while in a **data center**, it ensures reliable power distribution to servers and networking hardware. Its compact size also makes it suitable for **retrofitting older systems** where space constraints limit the use of larger breakers. **Why Choose WEG for Circuit Protection?** WEG is a globally recognized leader in electrical engineering, with over **50 years of expertise** in designing and manufacturing high-quality protection devices. The UMBW series, in particular, is renowned for its **precision engineering, thermal stability, and long service life**, making it a preferred choice among professionals in the electrical industry. WEG’s commitment to innovation is evident in features like **low power dissipation, high breaking capacity, and compatibility with smart monitoring systems**, ensuring that the UMBW-1B2-30 remains a future-proof investment for your electrical infrastructure. **Installation and Maintenance Considerations** Installing the UMBW-1B2-30 is straightforward, thanks to its **DIN rail mounting compatibility** and standardized dimensions. Professionals should ensure proper **torque settings** during installation to maintain electrical integrity and prevent loose connections, which can lead to overheating or arcing. Regular inspections and testing, such as **thermal imaging and insulation resistance checks**, help extend the breaker’s lifespan and ensure optimal performance. WEG provides comprehensive **technical documentation and support**, including wiring diagrams and compliance certificates, to simplify the installation process. **Technical Specifications and Compliance** - **Current Rating**: 30A - **Series**: UMBW - **Tripping Mechanism**: Thermal-magnetic - **Mounting Type**: DIN rail compatible - **Certifications**: UL 489, IEC 60947-2 - **Operating Temperature**: -5°C to +40°C - **Mechanical Life**: 20,000 operations - **Electrical Life**: 10,000 operations For professionals seeking a **compact, reliable, and high-performance mini circuit breaker**, the WEG UMBW-1B2-30 is an excellent choice. Its combination of **industry-leading protection, durability, and ease of installation** makes it a standout solution for safeguarding critical electrical systems in demanding environments.
  • 30A current rating for reliable circuit protection
  • Thermal-magnetic tripping for fast fault response
  • Compact DIN rail design for space-efficient installations
  • UL 489 and IEC 60947-2 certified for global compliance
  • Part of WEG’s trusted UMBW series for industrial durability

Specifications

Current Rating
30 A
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.