Disclosed is an electrical switch unit for an electrical device, including a shell and a signaling module. The shell accommodates an actuator movably installed in the shell. The signaling module includes a circuit board, including a first region provided with a variable resistor element, the variable resistor element having a contact surface of the variable resistor element; a film, including a first film contact surface and a second film contact surface, the first film contact surface of the film having a first conducting layer and the conducting layer of the first film contact surface being spaced from the contact surface of the variable resistor element through a spacer element; and a moving component operably connected to the actuator and capable of promoting the conducting layer of the first film contact surface to form contact with the contact surface of the variable resistor element in a plurality of contact point structures.

Disclosed is an electrical switch unit for an electrical device, including a shell and a signaling module. The shell accommodates an actuator movably installed in the shell. The signaling module includes a circuit board, including a first region provided with a variable resistor element, the variable resistor element having a contact surface of the variable resistor element; a film, including a first film contact surface and a second film contact surface, the first film contact surface of the film having a first conducting layer and the conducting layer of the first film contact surface being spaced from the contact surface of the variable resistor element through a spacer element; and a moving component operably connected to the actuator and capable of promoting the conducting layer of the first film contact surface to form contact with the contact surface of the variable resistor element in a plurality of contact point structures.

A contactor includes a housing defining a cavity. The contactor includes a switch assembly received in the cavity. The switch assembly includes first and second fixed contacts received in the cavity and a movable contact movable within the cavity between a mated position and an unmated position. The movable contact engages the first and second fixed contacts to electrically connect the first and second fixed contacts in the mated position. The switch assembly includes a coil assembly in the cavity operated to move the movable contact between the unmated position and the mating position. The contactor includes a heat transfer device coupled to the housing. The heat transfer device is thermally coupled to the first fixed contact and the second fixed contact to dissipate heat from the first fixed contact and the second fixed contact.

A contactor includes a housing defining a cavity. The contactor includes a switch assembly received in the cavity. The switch assembly includes first and second fixed contacts received in the cavity and a movable contact movable within the cavity between a mated position and an unmated position. The movable contact engages the first and second fixed contacts to electrically connect the first and second fixed contacts in the mated position. The switch assembly includes a coil assembly in the cavity operated to move the movable contact between the unmated position and the mating position. The contactor includes a heat transfer device coupled to the housing. The heat transfer device is thermally coupled to the first fixed contact and the second fixed contact to dissipate heat from the first fixed contact and the second fixed contact.

An earthing switch includes a fixed contact part fixed in an enclosure, a movable contact part disposed to face the fixed contact part, having a hollow portion formed therein, and having one end portion connected to a driving device and driven by the driving device so that the other end portion thereof is connected to or separated from the fixed contact part, and a piston part located in the hollow portion and moving relative to the movable contact part, wherein the hollow portion extends in a longitudinal direction of the movable contact part, both end portions of the hollow portion are formed to be open in the longitudinal direction.

An earthing switch includes a fixed contact part fixed in an enclosure, a movable contact part disposed to face the fixed contact part, having a hollow portion formed therein, and having one end portion connected to a driving device and driven by the driving device so that the other end portion thereof is connected to or separated from the fixed contact part, and a piston part located in the hollow portion and moving relative to the movable contact part, wherein the hollow portion extends in a longitudinal direction of the movable contact part, both end portions of the hollow portion are formed to be open in the longitudinal direction.

The present disclosure relates to an input device, including a carrier; a contact part; a spring disposed between the carrier and the contact part, wherein the spring is adapted to mount the contact part on the carrier in an, along a deflection direction (R.sub.A), elastically self-resetting and a vibration-capable manner; wherein the spring is configured such that it is fixed by a positive fit by an insertion in a first direction into at least one carrier-side first accommodating portion of the carrier, and that it is fixed on the contact part by a positive fit by an insertion in a second direction into at least one contact part-side second accommodating portion.

The present disclosure relates to an input device, including a carrier; a contact part; a spring disposed between the carrier and the contact part, wherein the spring is adapted to mount the contact part on the carrier in an, along a deflection direction (R.sub.A), elastically self-resetting and a vibration-capable manner; wherein the spring is configured such that it is fixed by a positive fit by an insertion in a first direction into at least one carrier-side first accommodating portion of the carrier, and that it is fixed on the contact part by a positive fit by an insertion in a second direction into at least one contact part-side second accommodating portion.

The present disclosure discloses a solid-state circuit breaker including an electronic switch and a mechanical switch connected in series, the mechanical switch includes: a handle micro-switch, configured to be actuated upon the handle rotating to the on position and released upon the handle leaving the on position; a contact micro-switch, installed to the housing and configured to be actuated upon the movable contact moving to a closed position and released upon the movable contact leaving the closed position. By detecting a state of the handle micro-switch and a state of the contact micro-switch, it is achieved that, upon the solid-state circuit breaker being switched from off to on, the mechanical switch is turned on first, and then the electronic switch is turned on, upon the solid-state circuit breaker being switched from on to off, the electronic switch is turned off first, and then the mechanical switch is turned off.

The present disclosure discloses a solid-state circuit breaker including an electronic switch and a mechanical switch connected in series, the mechanical switch includes: a handle micro-switch, configured to be actuated upon the handle rotating to the on position and released upon the handle leaving the on position; a contact micro-switch, installed to the housing and configured to be actuated upon the movable contact moving to a closed position and released upon the movable contact leaving the closed position. By detecting a state of the handle micro-switch and a state of the contact micro-switch, it is achieved that, upon the solid-state circuit breaker being switched from off to on, the mechanical switch is turned on first, and then the electronic switch is turned on, upon the solid-state circuit breaker being switched from on to off, the electronic switch is turned off first, and then the mechanical switch is turned off.