FIELD: electrical engineering.
SUBSTANCE: switch block contains interruption unit and disconnecting unit. The disconnecting unit contains the first and second interruption contacts and the first drive unit. The disconnecting unit contains the first and second fixed disconnecting contacts capable to connect and disconnect respective sliding disconnecting contacts installed at the interruption unit and connected electrically to the first interruption contact. The interruption unit is supported mechanically by the first fixed conductor and the second interruption contact is connected electrically to the first fixed conductor. The interruption unit contains the second drive unit that slides the interruption unit in regard to the first conductor between position of the interrupter when the first sliding contact of interruption is connected to the first fixed interruption contact while the second sliding contact of interruption is isolated from the second fixed interruption contact; position of the interrupter when the first and second sliding contacts of interruption are isolated from the first and second fixed interruption contacts; and position of the interrupter when the second sliding contact of interruption is connected to the second fixed interruption contact while the first sliding contact of interruption is isolated from the first fixed interruption contact.
EFFECT: facilitation of interruption and disconnection at reduced number of components and space minimisation.
13 cl, 9 dwg
