A switching device is for a low-voltage electric circuit having a plurality of conductors. In an embodiment, the switching device includes a housing having connection contacts arranged on the housing for connection of conductors of the low-voltage electric circuit; and a mechanical unit situated in the housing having an isolating function and an OFF or IN position, the mechanical unit including isolating contacts for galvanically interrupting the conductors of the low-voltage electric circuit. An electronic unit is provided which is connected to the mechanical unit in series on the current flow side; an auxiliary switch connected to the mechanical unit is provided and is connected in turn to the electronic unit; and the auxiliary switch and the electronic unit are designed in such a way that the electronic unit is highly resistive during an opening process of the mechanical unit.

A safety switch includes a detection unit, an output unit, an input unit; and a display unit. The detection unit is configured to detect presence or absence of abnormality. The output unit is configured to output an abnormality detection signal indicating a detection result of the presence or absence of the abnormality. The input unit is configured to input a display control signal. The display unit is configured to perform display based on the display control signal.

A safety switch includes a detection unit, an output unit, an input unit; and a display unit. The detection unit is configured to detect presence or absence of abnormality. The output unit is configured to output an abnormality detection signal indicating a detection result of the presence or absence of the abnormality. The input unit is configured to input a display control signal. The display unit is configured to perform display based on the display control signal.

An electronic device (10) includes: a power supply (11); a first switch (12) that is connected at least to one pole of the power supply (11) and interrupts power supplied from the power supply (11) to a load (13); a second switch (14) that is positioned on a load (13) side with reference to the first switch (12) and interrupts power supplied from the power supply (11) to the load (13); a first power line (L11) that is connected to one end portion of an electric contact of the second switch (14), the one end portion being located on a first-switch (12) side; a second power line (L12) that is connected to another end portion of the electric contact of the second switch (14); a third power line (L13) that is connected to another pole of the power supply (11); and an electric element (resistor 15) that is connected between the first and second power lines (L11, L12) in parallel to the electric contact or connected between the first and third power lines (L11, L13), such that the electric contact of the second switch (14) is not charged when the first and second switches (12, 14) interrupt power.

An electronic device (10) includes: a power supply (11); a first switch (12) that is connected at least to one pole of the power supply (11) and interrupts power supplied from the power supply (11) to a load (13); a second switch (14) that is positioned on a load (13) side with reference to the first switch (12) and interrupts power supplied from the power supply (11) to the load (13); a first power line (L11) that is connected to one end portion of an electric contact of the second switch (14), the one end portion being located on a first-switch (12) side; a second power line (L12) that is connected to another end portion of the electric contact of the second switch (14); a third power line (L13) that is connected to another pole of the power supply (11); and an electric element (resistor 15) that is connected between the first and second power lines (L11, L12) in parallel to the electric contact or connected between the first and third power lines (L11, L13), such that the electric contact of the second switch (14) is not charged when the first and second switches (12, 14) interrupt power.

A plastic housing for remote controls, the housing comprising a first housing part and a second housing part, wherein the first housing part has a joining surface facing the second housing part, and the second housing part has a joining surface facing the first housing part, wherein the two housing parts are assembled such that the joining surfaces rest against each other, and wherein the joining surfaces are in the form of mitred surfaces.

A light device control apparatus is designed to pair with a traditional switch device that has a traditional switch for accepting a first user manual operation to control a target device connected to the traditional switch device with an electrical wire. The traditional switch device has a connecting structure. The light device control apparatus has an attaching device, a cover body, a replacement switch and a wireless controller. The attaching device is attached to the connecting structure of the traditional switch device. The wireless controller wirelessly controls the target device. The replacement switch and the wireless component are not overlapped to each other vertically with respect to the surface cover of the traditional switch device.

An electrical switch including a neutral contact adjustment system adapted for adjusting a position of a neutral contact opening surface relative to at least one phase contact opening surface such that the neutral contact adjustment system has a first operating state which is adapted to provide a simultaneous break operation in which a movable neutral contact disconnects simultaneously with at least one movable phase contact during an opening event, and a second operating state which is adapted to provide a late-break operation in which the movable neutral contact disconnects later than the at least one movable phase contact during the opening event.

An electrical switch including a neutral contact adjustment system adapted for adjusting a position of a neutral contact opening surface relative to at least one phase contact opening surface such that the neutral contact adjustment system has a first operating state which is adapted to provide a simultaneous break operation in which a movable neutral contact disconnects simultaneously with at least one movable phase contact during an opening event, and a second operating state which is adapted to provide a late-break operation in which the movable neutral contact disconnects later than the at least one movable phase contact during the opening event.

Embodiments of a disconnector and a switchgear, wherein the disconnector comprises a contact assembly operable to change a status of a circuit, the disconnector arranged in the circuit; shafts adapted to be driven to rotate to operate the contact assembly; and a transmission unit arranged between the shafts and comprising: a plurality of gears coupled to the shafts to enable the shafts to rotate with a mutual engagement of the plurality of gears; and a holding assembly adapted to hold radial positions of the plurality of gears to ensure the mutual engagement of the plurality of gears. By arranging the holding assembly to hold the radial positions of the gears to ensure the mutual engagement of the plurality of gears, only one input shaft and one transmission unit are enough to transmit large torques sufficient to operate the contact assembly.