Eaton PDG33G0400TFAJ 400A 3P 600V Circuit Breaker | AmpState

Meet the Eaton PDG33G0400TFAJ 400A 3P 600V Circuit Breaker — a purpose-built protector for panelboards, load centers, and electrical distribution systems. Built for everyday electrical work, this unit delivers reliable three‑phase protection while helping you keep your BOM aligned to the original part number, ensuring smooth replacements and inventory control.

Key advantages that matter in the field

• 400 A rated protection to guard feeders and downstream circuits from overloads, reducing downtime and equipment damage.
• Three-pole configuration for balanced, three‑phase systems common in commercial and industrial installations.
• 600 V maximum system voltage suitable for a wide range of industrial distribution pathways and panel setups.
• Panelboards, load centers, and electrical distribution compatibility — designed to integrate into standard Eaton protection schemes without rework.
• Replacement-focused design ideal for aging installations or BOM‑driven upgrades, helping maintain original specifications and approvals.
• Ready availability from AmpState to support timely procurement and project timelines.

Who this is for

Electrical contractors, facilities managers, and maintenance teams tackling commercial or light industrial projects will benefit from a dependable, readily matchable 400A, 3P, 600V breaker. It’s particularly valuable for replacements where preserving the original part number and protective characteristics matters for system reliability and regulatory compliance.

Use cases and practical scenarios

• Replacing a worn or tripped breaker in existing panelboards or distribution centers without changing the protective topology.
• Stocking spare units to keep BOM integrity intact when ordering other Eaton components for a project.
• Upgrading or restoring protection in installations that require a 3-pole, 600V rating with 400A capacity.

Compatibility and support

Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit to your specific panelboard or load center configuration.

Technical snapshot

• Amperage: 400 A
• Poles: 3
• Voltage rating: 600 V
• Manufacturer: Eaton
• Product type: Circuit Breaker
• Part number: PDG33G0400TFAJ

Available from AmpState, the Eaton PDG33G0400TFAJ is a purpose-built solution for reliable circuit protection that aligns with original specifications. When in doubt about fit or BOM alignment, reach out and we’ll walk through the compatibility checks to help you proceed with confidence.