Legrand load break switch DX3, 4-pole, 63A 400 VAC, according to EN 60947-3, EN 60669-2-4. Utilization category AC-22A. Fastening to DIN rail EN 60715 using snap-in fasteners, clear information on the front of each device, clear red/green switch position indicator on the switch lever (lockable), with labeling window, single-pole busbar mounting with Legrand pin comb busbars, attachment of auxiliary devices possible.