THKMA836800 800A Circuit Breakers by General Electric. Heavy duty industrial used in factories, Malls and heavy industry. Interchangeable trip, shunt trips, under-voltage release mechanisms and auxiliary switches. Specs, Molded Case, Thermal Magnetic, K Frame, 240/480/600 VAC, 250/500 VDC, 300 Ampere, 3 Pole, Interrupting Rating 65 Amps At 240 VAC, 35 Amps At 480 VAC, 25 Amps At 600 VAC, 40 Amps At 250 VDC, 22 Amps At 500 VDC, Terminal Aluminum/Copper Line Lug, Load Lug, Size 8 1/4 Inch W X 5 1/2 Inch D X 15 1/2 Inch H- K1200 Model.