Challenger C120 20A 1P 120V Circuit Breaker, Plug-On | AmpState

The Challenger C120 20A 1P 120V Plug-On Circuit Breaker from AmpState is built to protect electrical distributions with precision and reliability. Designed for panelboards, load centers, and distributed electrical systems, it’s the ideal replacement part when you need a direct, BOM-aligned fit without surprises.

Key specifications

• Manufacturer: Challenger
• Part number: C120
• Type: Circuit Breaker
• Amperage: 20 A
• Poles: 1 Pole
• Voltage: 120V
• Installation: Plug-On
• Availability: Available from AmpState

Who benefits most

• Electricians and maintenance technicians performing routine panelboard replacements or service upgrades
• Facilities teams maintaining electrical distribution with reliable, easy-to-source spares
• Projects that require BOM alignment to the original part number for compatibility and documentation accuracy

Why this Challenger C120 stands out

• Direct plug-on installation: Simplifies replacement work by snapping into compatible panels without additional adapters or tools.
• Real-world compatibility: Specifically chosen to align with Challenger-panel configurations, helping keep your electrical distribution consistent and compliant.
• Clear BOM alignment: Ideal for projects aiming to maintain original part numbers in spare inventories and maintenance schedules, reducing confusion during replacements.
• Simple, measurable protection: A 20 A rating on a single pole delivers reliable overcurrent protection for branch circuits in residential, commercial, and light industrial settings.

Practical use cases

• Replacing a worn or tripped 20 A breaker in a panelboard or load center to restore service quickly.
• Building a spare parts kit that mirrors the original equipment BOM, ensuring fast, predictable replacements when needed.
• Upgrading or maintaining electrical distribution networks where Challenger components are specified for consistency and part traceability.

Support and compatibility

If you’re unsure about fit or compatibility, AmpState offers guidance to confirm the correct part. Need help matching a part number or confirming compatibility? Message us and we’ll help you verify fit for your panel and application.