GE THQL GFCI Breaker is a single-pole ground fault circuit interrupter designed with advanced self-test capabilities to ensure safety and reliability. This breaker provides comprehensive protection against overloads, short circuits, and ground faults by detecting very low levels of electrical current leakage and promptly shutting off power to prevent serious shocks. It is a Type THQL breaker with a compact 1-inch module size, suitable for 120 volt and 240 volt systems. UL listed for quality assurance, it features a plug-in mount type and supports wire sizes from 2 to 2 AWG. Available in 20A and 30A amperage options, this breaker fits a 1-space frame size and is packaged individually in a clamshell for convenience. Model Number: THQL1120GFTP