Eaton BQC230250 30/50A, 120/240V, 10 kAIC, CTL Quadplex Breaker with Rejection Tab, 2-Pole, 10 kAIC, 2-Pole 30 Amp Outer Common Trip and 2-Pole 50 Amp Center Common Trip, Requires 35KMc (2) 1-inch spaces, Wire Size #14-4, 120/240 VAC. ***For R8iWMm4z BR Series Loadcenters***