WEG UMBW-1C2-13 - MINI CIRCUIT BREAKER UMBW-1C2-13 WEG specifications: UL approval UL1077; Trip curve C; Number of poles 2 poles; Rated current 13 A; Maximum voltage 277/480 VAC; Type Thermal-magnetic
WEG

UMBW-1C2-13

Alternate Item Number: 14359996

UPC: 7909492435716

Contact for Pricing

Overview

The WEG UMBW-1C2-13 Mini Circuit Breaker is a high-performance miniature circuit breaker (MCB) engineered for dependable overcurrent protection in industrial electrical applications. Designed to safeguard branch circuits, motors, distribution panels, and power systems, this WEG circuit breaker combines advanced thermal and magnetic trip mechanisms to deliver comprehensive protection against overloads and short circuits. As a trusted component in industrial power distribution, the UMBW-1C2-13 ensures operational safety while minimizing the risk of equipment damage and electrical fires, making it an essential device for facilities prioritizing reliability and compliance with safety standards. Industrial-grade protection for critical systems Miniature circuit breakers like the WEG UMBW-1C2-13 are compact yet robust solutions for protecting low-voltage electrical circuits in industrial environments. Unlike fuses, which require replacement after a single fault, this WEG MCB resets automatically once the fault condition is cleared, reducing downtime and maintenance costs. Its dual trip system—thermal for gradual overloads and magnetic for instantaneous short-circuit events—ensures rapid response to abnormal conditions, preventing cascading failures in sensitive equipment. Professionals in manufacturing, automation, and energy sectors rely on WEG’s reputation for durability and precision engineering when selecting protective devices for mission-critical applications. Versatile applications across industries The WEG UMBW-1C2-13 is ideal for a wide range of industrial settings, including motor control centers, control panels, and distribution boards. It is particularly well-suited for protecting: - Branch circuits in commercial and industrial buildings - Motors and variable frequency drives (VFDs) against overloads - Lighting and power distribution panels - Control circuits in automation systems - Renewable energy systems and solar inverters Its compact DIN-rail mountable design allows for easy integration into existing panels, while its standardized specifications ensure compatibility with global electrical systems. Whether deployed in harsh manufacturing environments, data centers, or utility substations, this MCB delivers consistent performance under demanding conditions. Engineered for safety, reliability, and compliance WEG’s UMBW-1C2-13 Mini Circuit Breaker meets stringent international safety standards, including IEC 60898 and UL 1077, providing peace of mind for engineers and facility managers. The breaker’s high breaking capacity ensures it can interrupt fault currents without sustaining damage, while its low power dissipation minimizes heat buildup in enclosures. Installation is straightforward, with clear markings for wiring and a user-friendly toggle mechanism for manual operation. For professionals prioritizing long-term reliability, WEG’s global presence and technical support network further enhance the value of this industrial-grade protective device. Why choose WEG for circuit protection? WEG is a globally recognized leader in industrial electrical solutions, with decades of expertise in motor control, automation, and power distribution. The UMBW-1C2-13 reflects the company’s commitment to innovation, quality, and safety, offering a cost-effective alternative to premium brands without compromising performance. Its widespread availability through authorized distributors ensures quick procurement and replacement, while WEG’s technical documentation and training resources support seamless integration into new or existing systems. For facilities seeking a balance of affordability, reliability, and compliance, the WEG UMBW-1C2-13 Mini Circuit Breaker is a proven choice.
  • Dual thermal/magnetic trip mechanisms for overload and short-circuit protection
  • Compact DIN-rail mountable design for easy panel integration
  • Automatic reset after fault clearance to minimize downtime
  • Compliant with IEC 60898 and UL 1077 safety standards
  • Trusted WEG engineering for industrial-grade reliability

Specifications

Maximum voltage
277/480 VAC
Mounting Type
DIN-Rail
Number of poles
2 poles
Rated current
13 A
Series
UMBW
Trip curve
C
Type
Thermal-magnetic
UL approval
UL1077
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.