Eaton Cutler-Hammer GFCB120CS 20A 1P 120V Circuit Breaker, GFCI, Plug-On | AmpState

The Eaton Cutler-Hammer GFCB120CS is a reliable 20 A, 1-pole 120 V GFCI plug-on circuit breaker designed for everyday electrical work. Built to protect panelboards, load centers, and electrical distribution systems, it delivers fast ground-fault protection where it matters most. This is the smart, dependable choice for maintenance teams, panel builders, and spare inventory when a direct part-number match matters.

Key benefits at a glance

• GFCI protection in a 1-pole, 120 V design: Provides rapid interruption on ground faults to reduce the risk of shock on branch circuits.
• Plug-On installation: Simplifies panel integration, helping technicians update or replace protection without disruptive wiring changes.
• 20 A, 1P, 120 V specifications: Aligns with standard residential and commercial circuit requirements, making it a versatile addition to service fleets and new installations.
• Direct part-number match: A precise fit for Eaton Cutler-Hammer panels and configurations, minimizing guesswork during installations or maintenance.
• Ideal for panel builders and maintenance teams: Streamlines stocking decisions and job-site readiness with a dependable, widely supported protection device.

Practical use cases

• New panel installations in offices, retail spaces, or light commercial environments where compliant GFCI protection is required.
• Repairs or upgrades in existing panelboards and load centers that demand a 1-pole, 120 V GFCI breaker with a direct part-number match.
• On-demand spare inventory for service vans and maintenance warehouses to reduce downtime on critical circuits.

Why this breaker stands out

• It combines reliable GFCI performance with the simplicity of a plug-on design, helping technicians complete installations quickly and accurately.
• Its 20 A rating makes it suitable for a broad range of branch circuits without overloading standard electrical distributions.
• By focusing on a direct part-number match, it reduces compatibility questions on-site and ensures consistent protection across Eaton Cutler-Hammer systems.

If you’re unsure about compatibility or want to confirm fit for a specific panel or configuration, AmpState offers expert assistance to verify the match for GFCB120CS. This product is readily available from AmpState to keep projects on track and inventories ready for fast turnaround.