H - Electricity – 01 – H
Patent
H - Electricity
01
H
H01H 71/00 (2006.01) H01H 33/16 (2006.01)
Patent
CA 2192029
The power circuit-breaker is provided with at least one arcing chamber (2) which extends along a central axis (1) and has at least one power interruption point (61) with at least one contact which is moved by a drive. A closing resistor (65) is connected in series with the power interruption point (61), having a resistive contact (33) which is connected in parallel with the closing resistor (65) and which closes after the power interruption point (61) during the connection operation and opens after the power interruption point (61) during the disconnection operation. The intention is to specify a power circuit- breaker having a closing resistor and a resistive contact which has a simple and space-saving structure and in which accurately timed actuation of the resistive contact is achieved using simple means. This is achieved by virtue of the fact that the resistive contact (33) is mechanically connected to the at least one moving contact rectilinearly along at least one axis (7,8), that a coupling element (9,10) is interposed in each case in the rectilinear mechanical connection, and that the coupling element (9,10) is designed in such a way that it effects a time delay both during the connection operation and during the disconnection operation.
Muller Roger
Talir Jiri
Asea Brown Boveri Ag
Swabey Ogilvy Renault
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