Eaton GHQ1020S 20A 1P 277V Circuit Breaker, Bolt-On | AmpState

Eaton GHQ1020S is a 20-amp, single-pole (1P) circuit breaker engineered for bolt-on installation in panelboards, load centers, and electrical distribution systems. Rated for 277V, this device is tailored for commercial and industrial environments where precise part-number matching and reliable protection are essential. It’s a smart choice for maintenance teams, panel builders, and spare inventories that require an exact direct replacement.

Key features

• Bolt-On mounting for secure, straightforward installation with compatible enclosures and busbars.
• 1 pole configuration to protect a single circuits with clear, predictable trip characteristics.
• 20 A amperage rating, providing precise overcurrent protection for branch circuits and lighting feeders.
• 277V voltage rating to support commercial lighting, HVAC controls, and other 277V distribution needs.
• Direct part-number match for Eaton systems — GHQ1020S fits panelboards, load centers, and electrical distribution setups that require this exact specification.
• Availability from AmpState for easy sourcing and inventory planning.

Ideal use cases and applications

• Replacements in panelboards and load centers where a direct part-number match is crucial for quick commissioning and maintenance... minimizing downtime.
• Spare inventory for maintenance crews overseeing commercial or industrial electrical distributions that operate on 277V lighting and equipment circuits.
• Retrofits and new builds in facilities that rely on Eaton protection devices and require a reliable 1P, 277V protection strategy.

Why this breaker stands out

• : By matching the exact Eaton GHQ1020S specification, you reduce the risk of fitment issues that can complicate panel installations or replacements.
• Robust bolt-on design: A secure, tool-friendly mounting approach helps ensure a stable connection in environments with vibration or frequent panel access.
• Clear protection for 277V circuits: Designed to safeguard single-phase 277V feeders common in offices, retail, and light industrial spaces.
• Efficient inventory management: Having the exact part on hand simplifies procurement processes and speeds up service calls.

If you’re unsure about compatibility, simply reach out—AmpState offers guidance to confirm the fit for your specific panelboards, load centers, or distribution configurations.

Availability: This item is available from AmpState, making it a convenient option for procurement and stocking needs in professional electrical maintenance workflows.