Eaton ECN5512AAEE14 30A 3P 120V Circuit Breaker, NEMA 3R | AmpState

Eaton ECN5512AAEE14 is a dependable 30A, 3-pole, 120V circuit breaker engineered for everyday electrical protection in panelboards, load centers, and distribution systems. Built to guard circuits against overloads and faults, this breaker is a solid choice for reliable power management in both residential and commercial applications.

With a NEMA 3R rating, this unit is designed to withstand outdoor and weather-exposed environments when installed in a compatible enclosure. That makes it a smart option for installations near entrances, exterior utility rooms, or any location where rugged, weather-resistant protection is essential.

• 30 A
• 3
• 120V
• 3R
• Eaton
• ECN5512AAEE14
• Circuit Breaker

Why choose this Eaton circuit breaker? It’s designed for exact-fit replacement projects and as a reliable spare to keep your BOM aligned with the original part number. Having the precise ECN5512AAEE14 on hand minimizes downtime and ensures continuity with the existing protection scheme in your panelboards and load centers. This is especially valuable for facilities that rely on consistent part numbers for servicing and documentation.

Ideal use scenarios:

• Replacing a worn or tripped 30A, 3-pole circuit breaker in an 120V distribution setup.
• Stocking an authentic spare to preserve BOM accuracy during maintenance or upgrades.
• Outdoor or semi-exposed installations where a NEMA 3R-rated device is required within a weatherproof enclosure.

Practical considerations—to maximize compatibility and performance, match the part number ECN5512AAEE14 to your panelboard or load center specification. AmpState carries this exact Eaton model to help you maintain original design intent and electrical protection without guesswork.

Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.