Product Description: The Siemens B23500S01 is a Molded Case Circuit Breaker from the BL Series. It features a 2-pole design with a 240V, 35A rating and a 10kA@240V AIC rating. This breaker includes thermal magnetic protection and a bolt-on connection. It is compatible with Siemens P1 Panelboards and comes with a 120V shunt trip.