Eaton gfcb120 - 20 A, 120 V Circuit Breaker | AmpState

The Eaton gfcb120 is a 20A, 120V molded case circuit breaker built to deliver dependable branch circuit protection in panelboards and loadcenters. Its compact design frees up panel space, making it easier to expand or upgrade electrical distributions without sacrificing layout or accessibility.

What makes the gfcb120 stand out is its thermal-magnetic trip unit. This dual-action mechanism provides fast, reliable protection for both overloads and short circuits, delivering stable and repeatable performance across a range of temperatures. The result is fewer nuisance trips and enhanced protection for wiring, devices, and downstream equipment.

Designed for seamless compatibility, this breaker works with matching OEM loadcenters and panelboards. If you’re upgrading an Eaton system or replacing a damaged unit, the gfcb120 offers a precise fit and dependable operation without requiring changes to your existing panel hardware.

Ideal use cases

• Residential panels protecting lighting circuits, outlets, and small-appliance circuits with compact, space-saving design.
• Commercial installations in offices or retail spaces needing reliable branch-circuit protection in loadcenters.
• Light industrial applications where a compact molded-case breaker can secure small machinery and control circuits.

Technical snapshot

• Manufacturer: Eaton
• Part number: gfcb120
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 20A
• Voltage rating: 120V
• Application: Branch circuit overcurrent and short-circuit protection

Choosing the Eaton gfcb120 means prioritizing reliable protection, space efficiency, and straightforward compatibility for Eaton-based panels. With precise trip performance and a compact footprint, it’s a practical upgrade for residential, commercial, and light industrial distribution—delivering peace of mind where reliability matters most.