Circuit Breaker, Din Rail Mount, Miniature UL 1077 Circuit Breaker Type, Toggle Switch Type, D Curve Type, Number of Poles 3, 10 Amps, 480VAC, Max. DC Voltage (V) 110, AIR Rating 6kA, 6kA, 6kA, 6kA, 6kA, 6kA, 6kA, 6kA, 3 Phase, Any Phase Connection, Screw Clamp Terminal Connection, Min. Wire Size (AWG) 14, Max. Wire Size (AWG) 4, Length (In.) 4.625, Width (In.) 2.81, Depth (In.) 2.062, Fixed Instantaneous Trip, High Amp Trip Setting 140, Low Amp Trip Setting 140, Standards UL, CSA, DIN Miniature Circuit BreakersB curve indicates magnetic trip between 3.2 and 4.8 times rated current. C curve indicates magnetic trip between 7 and 10 times rated current. D curve indicates magnetic trip between 10 and 14 times rated current.UL Listed. UL 1077 Series are CSA Certified.Magnetic trip Screw clamp terminals DIN-Rail mounted