Lot of 2 Seimens D120 Single Pole Circuit Breakers 20 AMP 120/240V 60HZ This lot includes two Seimens D120 single pole circuit breakers with a maximum amperage of 20A and a voltage range of 120/240V 60HZ. These breakers are designed for use in electrical equipment and supplies, and specifically in circuit breaker and disconnector applications. The brand, Seimens, is known for its high-quality electrical equipment and these circuit breakers are no exception. They are a reliable choice for anyone looking to purchase circuit breakers for their business or industrial needs. Whether you are replacing existing circuit breakers or adding new ones to your equipment, these Seimens D120 breakers are a great choice.