The Siemens GFCI Circuit Breaker is a Type A, 20A single pole breaker designed for use in circuits with a maximum voltage of 120 Vac. It features a black color and a current rating of 20A. This breaker is specifically designed to provide ground fault protection for electrical circuits, making it ideal for use in residential or commercial settings where safety is a priority. With Siemens being a reputable brand in the electrical equipment industry, this GFCI circuit breaker offers reliability and performance for ensuring electrical safety.