Eaton GD3030 30A 3P 480V Circuit Breaker | AmpState

Engineered by Eaton, the GD3030 is a 30A, 3-pole circuit breaker designed to protect three-phase electrical systems at up to 480V. This unit is a smart choice for panelboards, load centers, and general electrical distribution where dependable overcurrent protection and exact part-number compatibility are priorities.

Why the Eaton GD3030 stands out

Designed for maintenance teams, panel builders, and stock management, the GD3030 helps streamline installs and replacements with a direct part-number match that simplifies sourcing and reduces downtime. When your system relies on precise Eaton components, using the GD3030 ensures consistent performance and easier spare-part planning—no guesswork on compatibility.

Key specifications

• Manufacturer: Eaton
• Part Number: GD3030
• Product Type: Circuit Breaker
• Amperage: 30 A
• Poles: 3
• Voltage: 480V

Who benefits

Ideal for facilities with three-phase 480V distribution, including manufacturing lines, commercial electrical rooms, and data-center infrastructure where reliable protection and standardization matter. It’s also a strong fit for teams building or refurbishing panelboards and for inventory managers who need exact-match parts to minimize mis-orders.

Practical use cases

• Replacing or stocking spare parts for existing Eaton panelboards and load centers in 480V three-phase systems.
• Installing new equipment where a proven, compatible 3P 480V breaker is required to meet downstream protection objectives.
• Standardizing components across multiple sites to simplify maintenance and procurement with a known GD3030 specification.

Compatibility and availability

Compatibility matters, and the GD3030 is a direct-part-number solution for Eaton-based distributions. If you’re unsure about fit, AmpState offers assistance to confirm compatibility and ensure a seamless match with your panelboards or distribution equipment. Message us to verify fit against your exact panel model and existing Eaton components.

Why shop with AmpState

Amazon-grade convenience meets industrial reliability. AmpState lists the GD3030 as a dependable option for maintaining, stocking, and upgrading three-phase 480V circuits. By choosing a genuine Eaton part, you gain consistent trip characteristics, proven performance, and a streamlined procurement path that keeps your project on schedule.