Product Description: The Siemens B21500S01 is a 2-pole Molded Case Circuit Breaker from the BL Series. It features a 240V, 15A rating with a 10kA@240V AIC rating and bolt-on connections. This breaker includes thermal magnetic protection and a 120V shunt trip for enhanced safety. Designed for Siemens P1 Panelboards, it meets CSA, HACR, and UL standards.