This Westinghouse BA120 Molded Case Circuit Breaker is a reliable and efficient choice for your electrical equipment needs. It features a bolt-on mounting style and an on/off operation method, with a thermal circuit breaker interruption type and type A tripping characteristics. The circuit breaker has a maximum amperage of 20A and is suitable for interior use, with a black color and plastic material. It has 10 ports and a single pole single throw (SPST) contact configuration, with a thermal overload protection feature. Compatible with 1-5 AWG wire gauge, this circuit breaker is a great addition to your electrical setup.