Eaton Cutler-Hammer HGHB1030 30A 1P 277V Circuit Breaker | AmpState

Discover the Eaton Cutler-Hammer HGHB1030, a 30 Amp, 1-Pole, 277V circuit breaker designed for robust circuit protection in panelboards, load centers, and electrical distribution systems. Built for reliability in demanding environments, this unit is a smart pick where precise part-number matching matters for fast, accurate replacements.

Whether you’re stocking spare inventory or performing on-site maintenance, the HGHB1030 delivers a direct-fit solution that minimizes downtime and simplifies sourcing. Its single-pole, 277V design makes it ideal for commercial or light industrial setups where reliable single-circuit protection is essential.

• Amperage: 30 A
• Poles: 1 Pole
• Voltage: 277 V
• Part Number: HGHB1030
• Manufacturer: Eaton Cutler-Hammer

• Direct part-number match ensures seamless compatibility during panel builds and field maintenance, reducing guesswork and installation time.
• Panelboard and load center compatibility designed for distribution applications that rely on 277 V circuits in commercial and industrial settings.
• Compact, space-efficient 1-Pole design supports tighter panel configurations and streamlined electrical layouts.
• Stock-ready for maintenance and service teams—easy to requisition when a specific Eaton part is required.
• Trusted Eaton Cutler-Hammer reliability backed by decades of experience in electrical protection products.

Typical use cases include upgrading or replacing breakers in existing 277 V distribution panels, outfitting new panel installations that require a precise HGHB1030 match, and maintaining spare inventory for quick response in facility service programs. This breaker helps ensure consistent protection of branch circuits and reliable operation across commercial and light-industrial electrical systems.

Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit. This item is available from AmpState, with expert guidance to make sure you get the right breaker for your Eaton Cutler-Hammer panel or distribution network.