WEG UMBW-1D2-30 - MINI CIRCUIT BREAKER UMBW-1D2-30
WEG

UMBW-1D2-30

Alternate Item Number: 14361101

UPC: 7909492436652

Contact for Pricing

Overview

The WEG UMBW-1D2-30 is a high-performance miniature circuit breaker (MCB) designed to provide robust overcurrent protection for a wide range of electrical circuits and sensitive equipment. Engineered by WEG, a globally recognized leader in electrical equipment manufacturing, this 1-pole MCB, with its SKU UMBW-1D2-30, offers a reliable and compact solution for safeguarding industrial and commercial power systems. Its primary function is to automatically interrupt electrical current flow when fault conditions, such as overloads or short circuits, are detected, thereby preventing potential damage to machinery, reducing the risk of electrical fires, and ensuring personnel safety. This WEG circuit breaker utilizes a dual-mechanism protection system, incorporating both thermal and magnetic trip units. The thermal element responds to sustained overcurrents, typically caused by equipment drawing more power than rated, by sensing the heat generated. This gradual tripping action is crucial for protecting motors and other inductive loads from damage due to prolonged moderate overloads. Complementing this, the magnetic element provides instantaneous tripping in response to sudden, high-magnitude fault currents, characteristic of short circuits. This rapid response is vital for mitigating the destructive effects of short circuits, which can lead to arc flashes and severe equipment failure. The UMBW series, to which the UMBW-1D2-30 belongs, is renowned for its compact design, making it an ideal choice for applications where space is at a premium. This includes installation in densely populated distribution panels, control cabinets, and motor control centers (MCCs). Its single-pole configuration is suitable for protecting individual phase conductors in single-phase circuits or for specific applications requiring single-pole protection. Key applications for the WEG UMBW-1D2-30 miniature circuit breaker include: * **Motor Protection:** Safeguarding individual motors against overload and short-circuit conditions, extending motor lifespan and preventing costly downtime. * **Branch Circuit Protection:** Protecting individual circuits within larger electrical systems, such as lighting circuits, control circuits, and auxiliary power circuits. * **Distribution Panels:** Serving as a critical component in main and sub-distribution boards, ensuring the safety and reliability of power distribution. * **Industrial Automation:** Providing essential protection for control systems, sensors, and actuators in automated manufacturing environments. * **General Electrical Safety:** Acting as a fundamental safety device in any application requiring reliable overcurrent protection. When selecting circuit breakers, professionals consider factors such as the rated current (30A in this case), breaking capacity, trip curve characteristics, and environmental conditions. The WEG UMBW-1D2-30 is engineered to meet stringent industry standards, offering dependable performance and peace of mind. WEG's commitment to quality and innovation ensures that their circuit protection devices are built to last and perform consistently, even in demanding industrial settings. Investing in a WEG circuit breaker like the UMBW-1D2-30 is an investment in the longevity and safety of your electrical infrastructure.
  • WEG UMBW-1D2-30 Miniature Circuit Breaker (MCB)
  • 30 Ampere (30A) rated current for versatile protection
  • 1-Pole configuration for single-phase or specific circuit protection
  • Combines thermal and magnetic trip mechanisms for overload and short-circuit protection
  • Compact design ideal for distribution panels, control cabinets, and MCCs

Specifications

Current Rating
30 A
Series
UMBW
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.