WEG Strategic Partner Distributor
WEG UMBW-1C3-16 - MINI CIRCUIT BREAKER UMBW-1C3-16 WEG specifications: UL approval UL1077; Trip curve C; Number of poles 3 poles; Rated current 16 A; Maximum voltage 277/480 VAC; Type Thermal-magnetic; Replaced by UMBW-1C3-15 - 14360249
WEG

UMBW-1C3-16

Alternate Item Number: 14360250

UPC: 7909492435921

Contact for Pricing

Overview

The WEG UMBW-1C3-16 Mini Circuit Breaker is a high-performance, compact solution engineered for reliable electrical protection in industrial and commercial applications. Designed by WEG, a global leader in electrical engineering, this circuit breaker delivers robust performance in demanding environments where system reliability and safety are critical. Its precision-engineered tripping mechanism ensures rapid response to overloads and short circuits, minimizing downtime and protecting sensitive equipment from damage. The UMBW-1C3-16 is part of WEG’s trusted UMBW series, known for its durability, compact footprint, and compliance with stringent international safety standards. Ideal for panelboards, distribution boards, and control panels, the WEG UMBW-1C3-16 Mini Circuit Breaker is widely used across industries such as manufacturing, energy, infrastructure, and commercial facilities. Its modular design allows for easy installation and integration into existing systems, reducing maintenance complexity and operational costs. Professionals in electrical engineering and facility management rely on WEG’s reputation for innovation and quality, ensuring that installations meet both regulatory requirements and operational demands. Key applications include: - Motor control centers (MCCs) - Lighting distribution panels - Industrial machinery protection - Backup power systems - Building automation systems The UMBW-1C3-16 is compatible with a broad range of electrical systems, offering flexibility in voltage classes and current ratings. Its compact form factor makes it suitable for space-constrained installations, while its high interrupting rating ensures reliable operation even under fault conditions. WEG’s commitment to research and development ensures that products like the UMBW-1C3-16 incorporate the latest advancements in circuit protection technology, delivering long-term value and peace of mind for engineers and facility managers alike. When selecting a mini circuit breaker, professionals prioritize reliability, safety, and ease of integration. The WEG UMBW-1C3-16 excels in all three areas, backed by decades of expertise in electrical protection solutions. Whether upgrading existing infrastructure or designing new systems, this circuit breaker provides the performance and dependability required for mission-critical applications. Trust WEG to deliver a product that meets the highest standards of quality and innovation in electrical protection.
  • Compact design for space-efficient installations
  • Rapid overload and short-circuit protection
  • Compliant with international safety standards
  • Modular and easy to integrate into existing systems
  • Trusted WEG quality for industrial and commercial applications

Specifications

Current Rating
16 A
Maximum voltage
277/480 VAC
Mounting Type
Modular
Number of poles
3 poles
Poles
1P
Rated current
16 A
Replaced by
UMBW-1C3-15 - 14360249
Series
UMBW
Size
Compact
Trip curve
C
Type
Thermal-magnetic
UL approval
UL1077
Package Weight (Imperial)
1 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.