Eaton Cutler-Hammer MDLB3800FT32W 800A 3P 600V Circuit Breaker | AmpState

The Eaton Cutler-Hammer MDLB3800FT32W 800A 3P 600V circuit breaker is built for everyday electrical work, delivering reliable circuit protection in panelboards, load centers, and broader electrical distribution systems. It’s a smart pick for teams that value fast, exact-fit replacements and want to minimize downtime when servicing complex panels.

• Amperage: 800 A
• Poles: 3
• Voltage: 600 V
• Manufacturer / Part Number: Eaton Cutler-Hammer MDLB3800FT32W
• Product Type: Circuit Breaker
• Applications: panelboards, load centers, and electrical distribution
• Availability: AmpState
• Direct part-number match: Yes — ideal for exact-fit replacements

What makes this breaker stand out

Designed to handle demanding three-phase distribution, the MDLB3800FT32W combines a high 800 A rating with a 600 V operating window to protect larger electrical networks without unnecessary trips. The three-pole configuration ensures synchronized, balanced protection across all phases, which is critical for reliable performance in commercial and industrial environments. And because it’s a direct part-number match for Eaton systems, you can trust compatibility in installations built around this exact model.

Ideal use cases

• Replacing a worn or failed 800 A, 3P, 600 V breaker in panelboards or distribution centers
• Stocking spare inventory for maintenance fleets to accelerate on-site service
• Specifying a precise, compatible part for panel builders during new installations or upgrades

If you’re unsure about fit or compatibility, we’re ready to help. Need help matching a part number or confirming compatibility? Message us and we’ll assist in confirming the correct fit for your panel or distribution setup.