Allen-Bradley 140MG-G8P-D10 100A 3P 600V Circuit Breaker | AmpState

The Allen-Bradley 140MG-G8P-D10 is a genuine, rugged circuit breaker built for everyday electrical work. With a 100 A rating and a 3-pole design for three-phase systems, it delivers reliable protection in panelboards, load centers, and electrical distribution setups. Designed to perform in demanding environments, this unit helps keep power safe and systems running smoothly.

Why this specific part matters comes down to exact fit and BOM consistency. This 140MG-G8P-D10 model is ideal for replacement projects and stocking spares when you need to keep the bill of materials aligned to the original part number. By choosing the same OEM part, you reduce mismatch risk and simplify asset management across multiple panels and builds.

Key specifications

• Brand: Allen-Bradley
• Part Number: 140MG-G8P-D10
• Amperage: 100 A
• Poles: 3
• Voltage: 600 V
• Product Type: Circuit Breaker

Practical applications and use cases

• Replacement in existing panelboards and load centers that require a precise OEM 140MG-G8P-D10 part, ensuring continued protection without modifying the system.
• Stock spare for service crews managing multi-panel installations, helping you keep critical parts on hand and BOMs accurate.
• New-build or upgrade projects for 3-phase, 600 V distribution networks where reliable overcurrent protection is essential.
• Maintenance routines in commercial, industrial, or manufacturing environments where consistent component performance minimizes downtime.

Benefits and what sets it apart

Specific, tangible value comes from using the exact original part: predictable electrical protection, straightforward replacement, and streamlined documentation. In environments where panels, feeders, and distribution blocks rely on standard 3-pole breakers at 600 V, this 140MG-G8P-D10 aligns with the system design and BOM catalog, reducing guesswork during maintenance or upgrades.

Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit for your exact panel and distribution setup. AmpState provides access to genuine OEM components and supports you in validating the right part before purchase.

Available from AmpState, this 140MG-G8P-D10 brings authentic Allen-Bradley reliability to your electrical protection strategy, making it a practical, value-focused choice for replacement inventory and ongoing maintenance programs.