Patent ID: 6788172
Filing Date: 2004-09-07
Classification: H01H

Abstract:
A device for controlling the closing of a power circuit breaker according to at least one operational parameter, the power circuit breaker including switching contacts, an energy store for transferring the switching contacts from an opening position into a closing position, a latching device for maintaining a tensioned state of the energy store and at least one closing actuator for releasing the latching device and enabling the energy store, the device for controlling the closing comprising:a coupling element, arranged in a path of force transfer from the closing actuator to the latching device, movable into an active position and an inactive position, an operational parameter causing the coupling element to be transferred into the inactive position, in which the force transfer from the closing actuator to the latching device is interrupted; and an indicating element, dependent on the coupling element and movable between only two positions respectively corresponding to exactly two states, to visually present the two states of â€œready for closingâ€  and â€œnot ready for closingâ€ , wherein the indicating element for closing readiness moveable in response to an operational parameter, and wherein the indicating element and the coupling element are in mutual engagement for transferring the coupling element into its inactive position when the indicating element assumes the â€œnot ready for closingâ€  position.