A trigger assembly for use with an electrical device, said electrical device having an electric switch housing with an electrical switch unit disposed therein, the trigger assembly including; a trigger member configured for movement relative to the housing; an actuator member operably-connected to the trigger member and, responsive to movement of the trigger member relative to the housing, said actuator member being movable in a first direction relative to the housing from an OFF position in which the electrical switch is operably-opened by the actuator towards an ON position in which the electrical switch is operably-closed by the actuator, and movable in a second direction relative to the housing from the ON position towards the OFF position; a lock-on mechanism including a first locking member mounted proximate to the trigger member and a second locking member mounted proximate to the housing, wherein when the actuator member is moved in to the ON position, said first and second locking members are selectably movable relative to each other into at least one of a locked configuration whereby the actuator member is locked in the ON position, and, an unlocked configuration whereby the actuator member is not locked in the ON position; and a lock-off mechanism including a lock-off member disposed on the trigger member, said lock-off member being rotatably movable about a first rotation axis between at least one of a locked-off position in which the lock-off member restricts movement of the trigger member relative to the housing and whereby the actuator member is restricted from being moved from the OFF position in to the ON position, and, a non-locked-off position in which the lock-off member does not restrict movement of the trigger member relative to the housing and whereby the actuator member is not restricted from being moved from the OFF position in to the ON position; and wherein the trigger assembly includes a shaped-portion disposed proximate to the housing wherein said shaped-portion is configured to abut against the lock-off member when the trigger member is moved towards the housing with the lock-off member rotatably arranged in to the locked-off position, whereby the actuator member is restricted from being moved from the OFF position in to the ON position.

A switch and methods of assembling a switch. The switch may include a housing; a first terminal electrically coupled to a power source; a second terminal electrically coupled to a load; a contact having a first contact end and a second contact end, the contact being operable to be in a closed position, in which the first contact end engages the first terminal and the second contact end engages the second terminal such that the contact electrically connects the first terminal to the second terminal, and an open position, in which the contact does not electrically connect the first terminal and the second terminal; and a biasing member configured to bias the contact towards the first terminal and the second terminal, the biasing member being operable to apply a first biasing force proximate the first contact end and a second biasing force proximate the second connect end.

A switch and methods of assembling a switch. The switch may include a housing; a first terminal electrically coupled to a power source; a second terminal electrically coupled to a load; a contact having a first contact end and a second contact end, the contact being operable to be in a closed position, in which the first contact end engages the first terminal and the second contact end engages the second terminal such that the contact electrically connects the first terminal to the second terminal, and an open position, in which the contact does not electrically connect the first terminal and the second terminal; and a biasing member configured to bias the contact towards the first terminal and the second terminal, the biasing member being operable to apply a first biasing force proximate the first contact end and a second biasing force proximate the second connect end.

A switching system, in particular of an on-board electrical system of a motor vehicle having a first disc which has a first, a second, a third, and a fourth stationary contact. The second and the third stationary contact, are electrically contacted by a first contact bar of the first disc. The switching system also has a second disc which has a first, a second, a third, and a fourth movable contact. The first and the second movable contact are electrically contacted by a second contact bar of the second disc, and the third and the fourth movable contact are electrically contacted by a third contact bar of the second disc. The second disc is rotationally mounted about a rotational axis relative to the first disc, wherein all the contacts are electrically connected in series in an angular position. A circuit breaker is also provided that includes a switching system.

An actuating apparatus having a signal transmitter and a mechanical operating element, wherein the mechanical operating element includes a first position that is stable over time and a second position that is stable over time, wherein the mechanical operating element, in the case of a movement from the first position that is stable over time into the second position that is stable over time, actuates the signal transmitter, and wherein the signal transmitter, upon actuation, causes a first signal change followed by a second signal change of an output signal, and an evaluation circuit detects an actuation of the mechanical operating element based on the first signal change and the second signal change.

An actuating apparatus having a signal transmitter and a mechanical operating element, wherein the mechanical operating element includes a first position that is stable over time and a second position that is stable over time, wherein the mechanical operating element, in the case of a movement from the first position that is stable over time into the second position that is stable over time, actuates the signal transmitter, and wherein the signal transmitter, upon actuation, causes a first signal change followed by a second signal change of an output signal, and an evaluation circuit detects an actuation of the mechanical operating element based on the first signal change and the second signal change.

This rotary control system for a device includes a rotary control member, rotationally mobile about a first fixed axis, between first and second positions, and a rotary control handle, intended to be secured in rotation with the rotary member about the first axis. It also includes a blocking device, that can be selectively moved, when the rotary member is in its first position, between a blocking configuration, in which it prevents the movement of the rotary member to its second position, and a release configuration, wherein the movement of the rotary member to its second position. This system further includes a locking plate, rotationally mobile about the first axis relative to the rotary member, when the rotary member is in its first position, between a locking position, in which a first orifice passing through the rotary member is superposed with a second orifice passing through the locking plate.

This rotary control system for a device includes a rotary control member, rotationally mobile about a first fixed axis, between first and second positions, and a rotary control handle, intended to be secured in rotation with the rotary member about the first axis. It also includes a blocking device, that can be selectively moved, when the rotary member is in its first position, between a blocking configuration, in which it prevents the movement of the rotary member to its second position, and a release configuration, wherein the movement of the rotary member to its second position. This system further includes a locking plate, rotationally mobile about the first axis relative to the rotary member, when the rotary member is in its first position, between a locking position, in which a first orifice passing through the rotary member is superposed with a second orifice passing through the locking plate.

An electrical installation switching device has an insulating material housing; a switching knob protruding beyond the housing on a housing front face and able to pivot between a switched-on and switched-off position about a first pivot axis; a magnetic short circuit current and/or a thermal excess current trigger; a contact site formed from a fixed and a moveable contact piece, a switching lock having a latching site and being triggerable by an excess and/or short circuit current using the trigger when unlatching the latching site; an operator pivotable between a release and an operating position about a second pivot axis, aligned parallel to the first pivot axis, switching knob having an operating contour, the operator and operating contour cooperating by triggering the switching lock using the trigger when the operator pivots about the second pivot axis to hold the knob in an intermediate position between the on and off position.

An electrical installation switching device has an insulating material housing; a switching knob protruding beyond the housing on a housing front face and able to pivot between a switched-on and switched-off position about a first pivot axis; a magnetic short circuit current and/or a thermal excess current trigger; a contact site formed from a fixed and a moveable contact piece, a switching lock having a latching site and being triggerable by an excess and/or short circuit current using the trigger when unlatching the latching site; an operator pivotable between a release and an operating position about a second pivot axis, aligned parallel to the first pivot axis, switching knob having an operating contour, the operator and operating contour cooperating by triggering the switching lock using the trigger when the operator pivots about the second pivot axis to hold the knob in an intermediate position between the on and off position.