Eaton Cutler-Hammer EHB1030 30A 1P 277V Circuit Breaker, Bolt-On | AmpState

Meet the Eaton Cutler-Hammer EHB1030—a purpose-built bolt-on circuit breaker designed to shield panelboards, load centers, and electrical distribution systems with reliable, field-ready protection. Sporting a 30 A rating, 1 pole, and a 277 V operating voltage, this part is crafted for commercial and industrial settings where precise part-number matching matters. It’s the smart choice for maintenance teams, panel builders, and spare inventories that demand a direct, drop-in fit.

Key advantages that matter in the field

• Bolt-On mounting offers fast, secure installation in compatible enclosures, reducing commissioning time and improving reliability.
• 30 A, 1-Pole, 277 V configuration suits branch circuits feeding lighting, outlets, and equipment in commercial environments.
• Direct part-number match minimizes guesswork during planning, stocking, and panel fabrication, helping prevent compatibility issues in the field.
• Brand integrity from Eaton Cutler-Hammer—well-regarded for consistent performance and long-term protection of electrical distributions.
• Avalability from AmpState ensures a dependable source for procurement and stocking decisions.

Ideal use cases

• Panel builders specifying exact part numbers for efficient fabrication and QC checks.
• Maintenance teams needing reliable 277 V protection for commercial or industrial circuits.
• Spare inventory for service vans, manufacturing facilities, and retrofit projects where immediate replacements are essential.
• Upgrades or expansions of electrical distribution where a precise 1-P, bolt-on breaker is required.

If you’re unsure about fit or compatibility, AmpState can help verify the exact match for your panel or distribution layout. Send a quick message and we’ll confirm fitment and guide you to the right part for seamless installation.