SENTRON, transfer switching equipment 3KC, manually operated, MTSE, size: 3, 4-pole, Iu: 250 A, Ue AC: 415 V, Ie at AC-33 B at 415 V: 250 A, Ie at AC-23 A at 690 V: 250 A, screw mounting, front operating mechanism, at the left end, without handle, busbar connection