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Publication of DD125363A5publicationCriticalpatent/DD125363A5/xx
H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
H01H9/20—Interlocking, locking, or latching mechanisms
H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
H01H2009/267—Interlocking, locking, or latching mechanisms for interlocking two or more switches with interlocking of two out of three switches, e.g. two switches each connecting a power supply to a busbar and a bus coupling switch interlocked in such a way that the power supplies are never connected in parallel