Eaton BR 20A/20A Double-Pole Standard Trip Duplex Circuit Breaker is designed for use with load centers built prior to 1968, providing a reliable solution for electrical panel upgrades. This breaker allows two single-pole breakers to fit into one space, making it an efficient choice for managing your electrical system. It is specifically made for BR series panels and supports both 120 volt and 240 volt applications. Please note that this breaker is not interchangeable with other types, ensuring compatibility and safety. by UL (Underwriter's Laboratories), it meets high standards for quality and performance. Model Number: BR2020