This Siemens QF120A Ground Fault Circuit Interrupter is a reliable and efficient electrical equipment that provides maximum safety. It is designed to protect against short circuits and overloads, ensuring that your circuit remains stable and reliable. With a maximum amperage of 20 A and a voltage of 120 Vac, this circuit breaker is suitable for a variety of applications. The black QF120A model is a single pole circuit breaker that is easy to install and use. It is perfect for those looking for a reliable electrical equipment that provides top-notch safety. Whether you are a homeowner, landlord, or business owner, this circuit breaker is a great addition to your electrical system.