Eaton Cutler-Hammer E30KB380 30A 2P Circuit Breaker | AmpState

The Eaton Cutler-Hammer E30KB380 30A 2P Circuit Breaker from AmpState is built for everyday electrical protection across panelboards, load centers, and distributed electrical systems. This two-pole unit delivers dependable current interruption, helping safeguard both equipment and personnel in a wide range of installations. Designed with direct part-number compatibility in mind, it’s a smart choice whenever exact matching components matter for reliability and uptime.

Why this breaker stands out

• Exact part-number compatibility—specifically the E30KB380, so you can confidently replace a failed unit or stock the right spare without guesswork.
• Two-pole, 30 amp design—provides core protection for multi-wire circuits and shared neutrals in panelboards and distribution panels.
• Reliable performance in everyday electrical work—built to handle routine protection tasks in a variety of installations, from service panels to distribution networks.
• AmpState availability—easy access to this Eaton Cutler-Hammer part, with support to confirm fit and compatibility when you’re building or maintaining inventory.

Ideal use cases

Use the E30KB380 in panelboards, load centers, and electrical distribution setups that require a 30A, 2-pole circuit breaker. It’s especially valuable for maintenance teams who need predictable, traceable parts, panel builders who require exact part-number specification, and facilities with spare inventories that must align with exact Eaton components.

Compatibility and how to confirm fit

If you’re unsure about compatibility with a specific panel or distribution system, AmpState offers support to verify fit. Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.

Specifications at a glance

• Manufacturer: Eaton Cutler-Hammer
• Part Number: E30KB380
• Product Type: Circuit Breaker
• Amperage: 30 A
• Poles: 2

Choose the Eaton Cutler-Hammer E30KB380 30A 2P Circuit Breaker for precise, dependable protection where a direct part-number match matters. Available now from AmpState to support quick replacements, accurate inventories, and smooth panel builds.