Siemens / Murray MP290 – 90A 2 Pole Miniature Circuit Breaker Hot Deal

Engineered for high-demand residential applications, the Siemens MP290 is a 90A, two-pole miniature breaker. It provides robust thermal-magnetic protection for 120/240V systems. This legacy plug-on breaker is specifically designed to fit older Murray and Siemens load centers. It serves as a direct replacement for aging infrastructure and is officially superseded by the Q290 model, ensuring continued compatibility. With a 10kA interrupting capacity, the breaker features a common trip mechanism.