SWITCH OF LOAD STAGES, METHOD OF ACTUATION OF SWITCH OF LOAD STAGES, AS WELL AS ELECTRIC INSTALLATION WITH SWITCH OF LOAD STAGES Russian patent published in 2019 - IPC H01H9/00 

FIELD: electrical engineering.

SUBSTANCE: invention relates to the electrical equipment. Switch (1) of load stages for continuous connection between branches (n, n + 1) of control winding (20) includes: switch (2), having first, second and third switching contacts (2.1, 2.2, 2.3), which can occupy the first position, in which first and third switching contacts are connected, the second position, in which the second and third switching contacts are connected, and shunting a position in which switching contacts are connected; first fixed contact (4) can be connected to winding first winding; second fixed contact (5) can be connected to winding second branch; first movable contact (6) can selectively contact each of fixed contacts; second movable contact (7) can selectively contact with each of fixed contacts; main branch (8) connecting the first movable contact to the first switching contact; auxiliary branch (9) connecting the second movable contact through the current limiting element (10) to the second switching contact; switching element (11) connected between the main branch and the second switching contact.

EFFECT: technical result consists in providing high pulse strength and reliability of the device.

12 cl, 15 dwg