A mobile contact-holder for a cutout includes a support in which there is formed a housing, a mobile element made of electrically conductive material mounted to slide, in a longitudinal axis of the support, in the housing of the support, an upstream electrical contact pad and a downstream electrical contact pad borne by the mobile element and a spring which exerts a return force on the mobile element. The support includes two oblong holes emerging in the housing and extending along its longitudinal axis. The mobile contact-holder also includes a guiding shaft which is fixed in translation with respect to the mobile element, which extends along an axis parallel to a transverse axis of the support and which is engaged in the oblong holes of the support. The guiding shaft engaged in the oblong holes guides the translation of the mobile element in the housing.

A selector (1) for an on-load tap changer, comprising a tap selector (2) with at least one selector arm (21, 22); a change-over selector (4), characterized in that the change-over selector (4) is actuated via at least one of the selector arms (21, 22) of the tap selector (2).

A selector (1) for an on-load tap changer, comprising a tap selector (2) with at least one selector arm (21, 22); a change-over selector (4), characterized in that the change-over selector (4) is actuated via at least one of the selector arms (21, 22) of the tap selector (2).

A high-voltage switch is disclosed. The switch includes a substrate, a first contact fixedly coupled to the substrate, a second contact having a first position in conductive contact with the first contact and a second position not in conductive contact with the first contact; and an actuator comprising a body fixedly coupled to the substrate and a movable element coupled to the second contact. The actuator is configured to selectably move the second contact between its first and second positions. The switch has a breakdown voltage greater than or equal to 500V and does not include an arc suppression element.

Systems of automatic transfer switches (ATS) are disclosed herein. One apparatus includes at least two automatic transfer switches coupled together. Each automatic transfer switches has contacts to couple a power source to a load. For each switch, an electromagnetic force biasing the contacts to each other is present if an electrical current flows through the switch. The automatic transfer switches may be on separate cassettes or on a single cassette. The power source of each switch may be the same or different.

Systems of automatic transfer switches (ATS) are disclosed herein. One apparatus includes at least two automatic transfer switches coupled together. Each automatic transfer switches has contacts to couple a power source to a load. For each switch, an electromagnetic force biasing the contacts to each other is present if an electrical current flows through the switch. The automatic transfer switches may be on separate cassettes or on a single cassette. The power source of each switch may be the same or different.

Implementations of the subject matter described herein provide a switching apparatus including an energy storage changement mechanism that can realize the main shaft energy storage and direction changement by using only one solenoid. Furthermore, the switching apparatus can be adopted in both two position ATS and three position ATS to satisfy different application scenarios or different market requirements. In addition, all transfers can be achieved by independent manual and electric operation, and each transfer action only requires powering a single solenoid.

A switch assembly, a system, and a method are provided. One such switch assembly includes a first connection bus to connect to a power source or a load and a second connection bus to connect to one of a second power source or the load. The switch assembly includes a shaft, a driving mechanism to engage the shaft, and a toggle arm connected to the first connection bus and secured to the driving mechanism. The switch assembly includes a pivot arm electrically connected to the second connection bus and including a contact pad. The shaft is structured to rotate the toggle arm from a closed position to an open position by rotating the driving mechanism, and in the closed position, a contact pad of the toggle arm contacts the contact pad of the pivot arm. The pivot arm is maintained substantially parallel to the second connection bus.

A switch assembly, a system, and a method are provided. One such switch assembly includes a first connection bus to connect to a power source or a load and a second connection bus to connect to one of a second power source or the load. The switch assembly includes a shaft, a driving mechanism to engage the shaft, and a toggle arm connected to the first connection bus and secured to the driving mechanism. The switch assembly includes a pivot arm electrically connected to the second connection bus and including a contact pad. The shaft is structured to rotate the toggle arm from a closed position to an open position by rotating the driving mechanism, and in the closed position, a contact pad of the toggle arm contacts the contact pad of the pivot arm. The pivot arm is maintained substantially parallel to the second connection bus.

An electronic module is provided including power switches mounted on a circuit board and configured as an inverter circuit for an electric motor. A sliding member is coupled to an actuator. A power contact switch is provided including a first conductive body, a second conductive body, and a contact switch. The first and second conductive bodies are mounted on a first surface of the circuit board and include pins received through through-holes of the circuit board to make electrical contact with two conductive tracks on a second surface of the circuit board. The contact switch pivotably is secured to the first conductive body and pivotably moveable by the sliding member to make contact with the second conductive body with movement of the actuator. A flyback diode is electrically connected between the first and second conductive track on the second surface of the circuit board parallel to the power contact switch.