Weg UMBW-4B1-4B4 - 1-32A, 120VAC / 60VDC, Circuit Breaker

Weg UMBW-4B1-4B4 is a versatile circuit breaker designed to deliver dependable overcurrent protection in demanding electrical environments. With an adjustable current rating from 1 A to 32 A and a dual voltage capability of 120 VAC / 60 VDC, this breaker is ready to handle both AC distribution and DC control circuits within a single compact device.

• Adjustable current range (1–32 A) lets you tailor protection to your exact load, minimizing nuisance trips while shielding motors, drives, and sensitive electronics from overloads.
• Dual voltage capability supports 120 VAC and 60 VDC, enabling reliable performance across mixed systems commonly found in panelboards and OEM equipment.
• Built for industrial, commercial, and OEM panels: ideal for panelboards, switchboards, control panels, and equipment enclosures where safe operation and reliable disconnection are essential.
• Optimized for distribution panels and motor control centers: helps prevent faults from propagating through the system, reducing downtime and protecting valuable equipment.

Practical use cases include protecting branch circuits in distribution panels, safeguarding motor starters in motor control centers, and serving as a compact, dependable protection device within OEM assemblies where space and wiring simplicity matter.

Why this Weg breaker stands out: its adjustable 1–32 A protection range paired with a 120 VAC / 60 VDC rating provides flexible, site-ready protection for diverse installations. Built to support industrial and commercial applications, the UMBW-4B1-4B4 helps ensure safe operation and quick, clear response to overload conditions in both utility-grade panels and custom OEM solutions.

In short, the Weg UMBW-4B1-4B4 is a purpose-built protection solution for distribution panels and control environments where reliable overcurrent protection, adaptability, and compact form factor matter most.