Challenger CH1020 Circuit Breaker, 20A, 1-Pole, 277V

The Challenger CH1020 Circuit Breaker is a purpose-built, single-pole protection device designed for industrial electrical service, maintenance, and replacement projects. With a 20 A rating and a 277 V operational range, it provides targeted protection for a dedicated branch circuit within CH-series panels, helping keep critical systems safe and operational.

Why this CH1020 stands out among generic breakers is its precise compatibility with Challenger CH-series distribution panels. The part number CH1020 is your fastest way to confirm fit and ensure reliable performance in your application. If you’re unsure about compatibility, we’re ready to help—just message us with your panel model and circuit requirements, and we’ll verify the match.

• Single-pole protection for a dedicated branch circuit, simplifying protection strategy in complex industrial electrical layouts.
• 20 A at 277 V—well-suited for commercial lighting, control circuits, and other 277 V applications common in warehouses, factories, and large facilities.
• CH-series compatibility ensures a precise fit and dependable integration within Challenger panels, reducing downtime and installation guesswork.
• Industrial-grade reliability designed to perform in demanding environments, contributing to safer electrical systems and smoother maintenance workflows.
• Easy identification and replacement through clear part-numbering, enabling faster service calls and fewer configuration errors.

Ideal use cases include upgrading aging panels, adding a new 277 V lighting or power circuit, or replacing a failed breaker in CH-series installations. It’s particularly valuable in facilities where quick, accurate part matching minimizes downtime during routine maintenance or system upgrades.

How to confirm compatibility—use the part number CH1020 to verify fit against your CH-series panel and the intended application requirements. If you need assistance, we’re happy to help you confirm compatibility and route you to the right part for your project.

Choose the Challenger CH1020 for dependable, panel-specific protection that supports safer, more efficient industrial electrical operations.