⚡ Power Your Safety with Style! Intertek ETL Listed to UL Standard 489 for peace of mind. Handles up to 10,000 AIC, ensuring your electrical system is protected. Only requires a 1-inch slot, maximizing your panel's efficiency. Seamlessly replace your old circuit breaker with this 20 Amp powerhouse. Works with Challenger, Murray, Crouse-Hinds, and Sylvania panels. 20 Amp Power Plug-in Design 10,000 AIC Rating The Connecticut Electric UBITB-A220 is a high-performance 20 Amp circuit breaker designed for Challenger Type A panels. With a compact 1-inch design and a robust 10,000 AIC rating, this plug-in breaker ensures safety and reliability in your electrical system. Compatible with various brands, it’s the perfect upgrade for modern electrical needs.