Miniature Circuit Breaker, Amps 150 A, Circuit Breaker Type Main Breaker, Number of Poles 2/ OVERALL LENGTH: 5.60 INCHES NOMINAL OVERALL HEIGHT: 3.60 INCHES NOMINAL OVERALL WIDTH: 5.07 INCHES NOMINAL POLE QUANTITY: 2 PART NAME ASSIGNED BY CONTROLLING AGENCY: CIRCUIT BREAKER, 150 AMP, DOUBLE POLE SPECIAL FEATURES: WEIGHT 2.6 POUNDS