Eaton Corporation Br2100 Double Pole Interchangeable Circuit Breaker, 120/240V, 100-Amp

100a double pole interchangeable circuit breaker, 2 inch wide, full size, 120/240V, for replacement main breaker or add a 100a main breaker to 125a main lug load centers, also used as branch circuit breaker, with individual upc bar code, bulk.