Molded Case Circuit Breaker, 50 A Amps, AC Voltage Rating 277/480V AC, Max. AIR Rating 25kA at 277/480V AC, For Use With GE AS Lighting Panels, Series TEY, Circuit Breaker Type Standard, Number of Poles 2, DC Voltage Rating 250V DC, Terminal Connection Lug, Trip Type Thermal Magnetic, Phase Single, Instantaneous Trip Fixed, Phase Connection ABC, Frame Size 125A/TEY, Circuit Breaker Mounting Style Bolt On Panelboard, Height 5.2 in, Width 2 in, Depth 3 in, Min. Wire Size 10 AWG