Patent ID: 6326871
Filing Date: 2001-12-04
Classification: H01H

Abstract:
A switchgear unit, comprising:a switching device including a rotary operating mechanism and a breaker mechanism, the rotary operating mechanism including an actuating element; andan undervoltage release coupled to the switching device, the undervoltage release including a leading auxiliary switch, the auxiliary switch including a contact carrier including moving contacts and fixed contacts which contact the moving contacts, the auxiliary switch further including a projection which projects through an opening in a side wall of the auxiliary switch, the rotary operating mechanism being in operative connection with the projection, the rotary operating mechanism acting on the contact carrier in a first actuating phase of the actuating element so that an ON position is reached between the moving contacts and the fixed contacts, wherein the breaker mechanism is actuated only during a second actuating phase while in the ON position of the moving contacts and the fixed contacts is maintained, the second actuating phase being subsequent to the first actuating phase.