EATON Replacement Classic Circuit Breaker, Type QBH, 120/240 VAC, 50 A, 1 ph, 2 Pole, 10 kA Interrupt, Quick-Break, Quick-Make Actuator, Common, Long Time, Instantaneous Trip, 10 to 2, 10 to 1 AWG Wire, Bolt-On Terminal, Dimensions: 3-1/2 in L x 3 in W x 1-1/2 in H, 40 deg C Operating, Suitable for: Classic CEB, Sylvania or Commander Electric Design Bolt-On Load Centers, Lighting and Distribution Panelboards and Meter Centers