SQUARE D QO250GFI
2P 50A COMMON TRIP 120/240 VAC 10K AIR QO-GFI Qwik-Gard™ circuit breakers provide over load and short circuit protection, combined with Class A ground fault protection. Class A denotes a ground fault circuit interrupter that will trip when a fault current to ground is 6mA or more, for people protection. Do not connect to more than 250 feet of load conductor for the total one-way run to prevent nuisance tripping. WIRE SIZE (AWG/KCMIL) 12-4 AL 14-6 CU.