Eaton gfcb220 - 20 A, 120 V Circuit Breaker | AmpState

Meet the Eaton gfcb220: a 20A, 120V molded case circuit breaker engineered for dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Its compact design frees valuable space in crowded panels, while a thermal-magnetic trip unit delivers stable, repeatable protection across a range of operating conditions.

Why the gfcb220 stands out

• Space-efficient molded case design: Maximizes panel capacity by housing reliable protection in a compact form factor, making it easier to fit more circuits in residential, commercial, or light industrial panels.
• Thermal-magnetic trip unit: Combines fast magnetic response for short circuits with temperature-compensated thermal protection, reducing nuisance trips and protecting wiring and devices over time.
• OEM panel compatibility: Designed to be consistently compatible with matching OEM loadcenters and panelboards, ensuring proper fit, labeling, and performance.
• Versatile applications: Ideal for a variety of environments—from home electrical loads to small business panels and light industrial circuits that need dependable protection without overfitting the panel space.

Technical snapshot

• Part Number: gfcb220
• Amperage Rating: 20A
• Voltage Rating: 120V
• Type: Thermal-magnetic molded case circuit breaker
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

• Residential panelboards where space is at a premium and reliable, predictable protection is essential for lighting, outlets, and major appliance circuits.
• Commercial loadcenters serving small offices, retail spaces, or service areas that require quick, safe protection against overloads and faults.
• Light industrial panels where compact breakers help maximize circuit density without compromising safety.

Practical benefits and insights

Choosing the gfcb220 means prioritizing protection that behaves consistently across varying ambient temperatures and load conditions. The combo thermal-magnetic design streamlines protection strategies for both normal operation and fault scenarios, helping electricians reduce trip-related downtime and simplify panel maintenance. By aligning with OEM panels, it also supports straightforward replacements and fewer labeling discrepancies, so upgrades or replacements stay compliant with existing infrastructure.

Installation and compatibility tips

Pair the gfcb220 with the corresponding OEM loadcenter or panelboard model as specified by Eaton to ensure optimal trip characteristics and seamless integration into your electrical distribution chain. Verify circuit labeling and panelboard rating match the 20A, 120V specifications to maintain system safety and performance over time.