HED42B125 Molded Case Circuit Breaker; Type Thermal Magnetic; Frame Type ED; Voltage Rating 480 Volt AC, 250 Volt DC; Current Rating 125 Amp; Number of Poles 2; Interrupting Rating 100 Kiloamp at 240 Volt AC (UL 489), 42 Kiloamp at 480 Volt AC (UL 489), 30 Kiloamp at 250 Volt DC (UL 489); Terminal Type Load Lug; Size 2 Inch Width x 4.56 Inch Depth x 6.35 Inch Height; Approval UL 489; RoHS Compliant; Label Color Black; Wire Size 3 to 3/0 AWG (Copper), 1 to 2/0 AWG (Aluminum), 10 to 1/0 AWG (Copper); Enclosure Type NEMA 1/3R/4/4X/7/9/12; Mounting Type Stud/Plug-In; Used On Enclosure, Switchboard, Panelboard, Load Center