Free Returns Siemens B21500S01 – 15A 2 Pole Molded Case Circuit Breaker

Part of the Siemens B-frame lineup, the B21500S01 delivers reliable thermal-magnetic protection for commercial and industrial electrical systems. This 15A, two-pole molded case circuit breaker is engineered for demanding environments. It installs securely into Siemens P1 through P5 panelboards via a standard bolt-on connection, ensuring a vibration-resistant fit. Rated for 10kAIC at 120/240VAC, this unit features a factory-installed 120VAC shunt trip for remote emergency shutdown capabilities.