Siemens B12001 with 120V Auxiliary Switch
Siemens B12001 with 120V Auxiliary Switch, Molded-Case Circuit Breakers, BL Series Family, Type BL, 20 Amperage, 120/240 Voltage, 1 Phase, 1 Poles, Bolt-On Connection, (LI) Long-Time and Instantaneous Function, Thermal Magnetic Protection, 10K AIC