Challenger UBITBA120L 20A 1P 120V Circuit Breaker | AmpState

Meet the Challenger UBITBA120L—a 20 A, 1-pole, 120 V circuit breaker built for everyday electrical work. Designed for panelboards, load centers, and electrical distribution, this part delivers reliable protection for branch circuits while supporting retrofit projects and maintenance where staying with a consistent part number matters.

Why the UBITBA120L stands out

• Precise specification for common circuits: 20 A, 1-pole, 120 V is a familiar configuration for lighting, outlets, and general-purpose branch circuits, making it a dependable choice for residential and small commercial panels.
• Retrofit-ready and maintenance-friendly: Built to integrate into existing installations where the part number must stay consistent, helping you minimize downtime during panel servicing or upgrades.
• Dedicated to compatibility with Challenger systems: Manufactured by Challenger and identified by part number UBITBA120L, it’s designed to work smoothly within Challenger panelboards and related electrical distribution setups.
• Availability and support from AmpState: Ready to ship through AmpState, with assistance available to confirm fit and ensure proper installation in your specific panel

Ideal use cases and scenarios

• Replacing a failed or tripped 20 A, 1-pole circuit in residential service panels, lighting circuits, or outlet branches.
• Upgrading an aging panel where matchable Challenger components are preferred to preserve labeling, labeling accuracy, and compatibility with existing field hardware.
• Planning maintenance for facilities where consistent part numbers reduce ordering errors and streamline inventory management.
• Retrofit projects in garages, workshops, or small offices where reliable circuit protection improves safety and uptime.

How this part helps you work smarter

• Clear part-number continuity: Using UBITBA120L maintains a predictable replacement catalog, simplifying procurement for ongoing service contracts or multi-site installations.
• Reliable circuit protection: With a dedicated 20 A rating, it guards against overloads on everyday circuit runs without compromising performance on standard 120 V systems.
• Smart purchasing for maintenance planning: Having a consistent, compatible component on hand reduces project delays and ensures quick turnaround during panel servicing.

Specifications at a glance

• Manufacturer: Challenger
• Part Number: UBITBA120L
• Product Type: Circuit Breaker
• Amperage: 20 A
• Poles: 1 Pole
• Voltage: 120 V

Ready to confirm compatibility or need help locating the exact fit for your panel? Available from AmpState. If you’re unsure about fit, message us and we’ll help you confirm compatibility and keep your project on track.