Eaton Cutler-Hammer E51DNA 50A 3P 600V Circuit Breaker | AmpState

Meet the Eaton Cutler-Hammer E51DNA, a purpose-built circuit breaker engineered for reliable protection in panelboards, load centers, and overall electrical distribution systems. This 50 A, 3-pole, 600 V device is an ideal choice for retrofit projects and maintenance planning where keeping the exact part number is important for compatibility and stocking.

Why this Eaton E51DNA stands out

• Exact-fit reliability—a genuine Eaton Cutler-Hammer component designed to align with existing systems and catalogs, reducing replacement surprises during repairs or upgrades.
• Consistent part number for maintenance—supports long-term service planning by ensuring you can source the same breaker across multiple projects without compatibility concerns.
• Strong protection across distribution stages—suitable for panelboards and load centers that require dependable overcurrent protection in commercial and industrial environments.
• Retrofit-ready—streamlines modernization or expansion efforts by maintaining uniformity with your current installation footprint and wiring schemes.

Key specifications

• Amperage: 50 A
• Poles: 3
• Voltage: 600 V
• Manufacturer: Eaton Cutler-Hammer
• Part Number: E51DNA

Ideal use cases

• Retrofit projects in commercial or industrial facilities where the exact part number must be preserved for documentation or warranty traceability.
• Maintenance planning and inventory management—easy to stock and replace without guesswork thanks to the consistent E51DNA lineage.
• Panelboard and load center upgrades that require a dependable, high-availability breaker with a proven track record.
• New installations that need seamless compatibility with existing Eaton Cutler-Hammer protection schemes.

Compatibility & support

If you’re unsure about fit or compatibility, AmpState is ready to help confirm you have the exact match for your electrical distribution setup. The E51DNA is chosen for its reliability and compatibility within Eaton’s Cutler-Hammer ecosystem, helping you maintain code-compliant protection and streamlined parts management. For assistance, reach out and we’ll verify the fit against your panelboard or load center requirements.