The GE THQL1120 is a 20 Amp single-pole circuit breaker designed for a voltage of 120/240V with a maximum amperage of 20A and a current rating of 20A. It features a plug-in mounting style, on/off operation method, and a compact design with dimensions of 2.7 inches in height and 1 inch in width. This UL-listed circuit breaker is suitable for use in electrical systems requiring a 10kA interrupting rating and is ideal for applications where a single-phase power supply is utilized.