This Cutler-Hammer BA120 circuit breaker is a reliable and efficient device for protecting your electrical equipment. With a maximum amperage rating of 20A and a voltage rating of 120/240V, it is suitable for a wide range of applications. The circuit breaker features a single pole and an on/off operation method, making it easy to use and maintain. The black color and compact design of the device make it a great addition to your electrical panel. This model is perfect for use in industrial and commercial settings.