The USED Siemens Mini Circuit Breaker B12000S01 is a reliable and high-quality electrical component suitable for both residential and commercial applications. With a maximum amperage of 20 and a voltage rating of 120/240, this circuit breaker is designed for efficient branch circuit protection and lighting applications. The thermal-magnetic tripping characteristics, along with the 120VAC shunt trip feature, ensure that it operates effectively to safeguard electrical circuits. Constructed with ABS/plastic material, this Siemens circuit breaker is a dependable choice for electrical protection in various settings.