WEG UMBW-1D2-35 - MINI CIRCUIT BREAKER UMBW-1D2-35
WEG

UMBW-1D2-35

Alternate Item Number: 14361103

UPC: 7909492436690

Contact for Pricing

Overview

The WEG UMBW-1D2-35 Miniature Circuit Breaker (MCB) is engineered to deliver robust and reliable overcurrent protection for a wide array of industrial electrical circuits and equipment. As a critical safety component, this MCB is designed to safeguard against damaging fault conditions, ensuring operational continuity and preventing potential hazards such as equipment failure and electrical fires. At its core, the UMBW-1D2-35 integrates both thermal and magnetic trip mechanisms. The thermal element provides protection against sustained overloads, gradually tripping the breaker as current exceeds its rated limit over time. This is crucial for preventing overheating of conductors and connected devices during periods of increased demand. Complementing this, the magnetic element offers instantaneous tripping in response to severe short-circuit events, where current surges dramatically. This dual-action protection is paramount for sensitive industrial machinery and complex power distribution systems. WEG, a globally recognized leader in electrical equipment manufacturing, brings its extensive expertise to the UMBW-1D2-35. This commitment to quality and innovation ensures that each breaker meets stringent industry standards for performance and durability. The compact design of miniature circuit breakers like the UMBW-1D2-35 makes them ideal for space-constrained applications, commonly found in: * **Motor Control Centers (MCCs):** Protecting individual motor circuits from overloads and short circuits, ensuring reliable motor operation. * **Distribution Panels:** Serving as essential protective devices for branch circuits within industrial facilities, safeguarding lighting, power outlets, and auxiliary equipment. * **Control Cabinets:** Providing localized protection for control systems, automation components, and instrumentation. * **Machine Tool Applications:** Offering crucial safety for the electrical systems powering manufacturing equipment. Professionals select MCBs based on specific circuit requirements, including the rated current, tripping characteristics (e.g., Type B, C, or D curves, though specific curve not provided for UMBW-1D2-35), and breaking capacity. The WEG UMBW-1D2-35 is a testament to the essential role these devices play in maintaining the integrity of industrial electrical infrastructure. Its automatic disconnection of power during fault conditions is not merely a convenience but a fundamental safety measure, vital for protecting personnel, valuable assets, and operational uptime. Investing in high-quality circuit protection, such as the WEG UMBW-1D2-35, is a proactive step towards mitigating risks and ensuring the efficient, safe operation of any industrial environment.
  • WEG UMBW-1D2-35 Miniature Circuit Breaker (MCB)
  • Provides essential overcurrent protection for industrial circuits
  • Combines thermal and magnetic trip mechanisms for overload and short-circuit protection
  • Compact design suitable for distribution panels, motor control centers, and control cabinets
  • Ensures equipment safety, prevents damage, and enhances electrical system reliability

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.