TERMINALS FOR VACUUM CIRCUIT BREAKER AND VACUUM CIRCUIT BREAKER WITH SUCH TERMINALS Russian patent published in 2013 - IPC H01H33/66 

FIELD: electricity.

SUBSTANCE: terminals for vacuum circuit breaker include: the first terminal with lots of support rings, lots of pin contactors and ring-shaped springs installed with possibility of contact with outer circumferential surface of pin contactors, so as to provide pin contactors with elastic force; the second terminal with outer diameter larger than inner diameter of the first terminal formed by inner circumferential surface of pin contactors of the first terminal and configured by electrical conductor of sleeve type; and insulating guide element fixed with possibility of detachment on leading end of the second terminal, so that electrical-insulating property of the second terminal increases when the first and the second terminals are disconnected from each other, it has electrical-insulating property and narrows, so as to have reduced outer diameter when distance from the second terminal increases.

EFFECT: possibility of electrical-insulating actions between terminal of circuit breaker body and frame terminal in test position and minimisation of impact actions and vibrations occurred when body and frame terminals are connected to each other or disconnected from each other.

6 cl, 4 dwg