Siemens 5SX21 C4 1-Pole Circuit Breaker$0.00 SKU: 10477EM Manufacturer: SiemensModel: 5SX21 C4Type: Circuit BreakerPower: 277VACSize: 3 9/16" x 3/4" x 2 1/2"Condition: UsedAdditional Information: ~230/400Stock: 3 Enter Quantity