A power conversion circuit includes a high-side switch and a low-side switch connected in series with one another and configured to control a load current flowing through a load, wherein at least one of the high-side switch and the low-side switch comprise a power relay circuit for switching the load current, and wherein the power relay circuit comprises a micro-electro-mechanical system switch, and a semiconductor power switch, wherein the MEMS switch and the semiconductor power switch are connected in series with the load.

Various embodiments of the teachings herein include an electronic module comprising a microelectromechanical system (MEMS) switch with a substrate and a semiconductor component. The semiconductor component is formed with the substrate and connected to MEMS switch. The semiconductor component includes a diode. The substrate is formed from or with a silicon-on-insulator-wafer and/or silicon-on-insulator substrate.

Various embodiments include an arrangement comprising a plurality of MEMS switches with movable elements. The plurality of MEMS switches are connected to one another in a total-cross-tied configuration.

A power relay circuit for switching a load current includes a micro-electro-mechanical system (MEMS) switch and a semiconductor power switch. The MEMS switch and the semiconductor power switch are connected in series with the load current.

Various embodiments include a switch cell comprising: a semiconductor switch element; a micro-electromechanical switch element; and an electronic actuation circuit. The semiconductor switch element and the micro-electromechanical switch element are connected in parallel. In a switch-off process for the switch cell, the semiconductor switch element is switched off after the micro-electromechanical switch element is switched off.

A power relay circuit for switching a load current includes a micro-electro-mechanical system (MEMS) switch and a semiconductor power switch. The MEMS switch and the semiconductor power switch are connected in series with the load current.

A miniature circuit breaker with an automatic opening/closing function, comprising a circuit breaker body and an automatic opening/closing driving mechanism; the body comprises circuit breakers, each comprising a plastic housing, an opening/closing handle and a manipulation mechanism; a spindle hole is at the rotation center of each handle; the driving mechanism comprises a case, a driving motor with a driving turbine, a linkage turbine, a linkage gear, an output spindle and a release linkage member; the driving motor drives the linkage turbine for reciprocating rotation via the driving turbine, and the linkage turbine drives the release linkage member for reciprocating rotation within a preset angle range via a cam linkage so that a lever of the release linkage member prods an opening release linkage rod to perform a rapid opening action; the linkage turbine drives the linkage gear and the output spindle to do synchronous rotation via driving teeth.

A base of a surge protector, the surge protector comprising a function rotating member (3), and the function rotating member (3) having a remote linkage rod contact wall (3D) and a remote linkage notching (3H), and the base comprising a remote device, and the remote device having at least one remote linkage rod (9), and when the function rotating member (3) is situated at the first position, the remote linkage rod (9) is pressed down by the remote linkage rod contact wall (3D), and when the function rotating member (3) is rotated from the first position to the second position, the function rotating member (3) is rotated from the remote linkage rod contact wall (3D) to the remote linkage notching (3H) with respect to the point of action of the remote linkage rod (9) to release the remote linkage rod (9).

A liquid-cooled heat dissipation apparatus includes a base (10), a telesignaling linkage member (20), a sliding plate (30) and a switch module (40). The telesignaling linkage member (20) is moveably installed on the base (10). The sliding plate (30) is installed corresponding to the telesignaling linkage member (20) and generates a movement along with the telesignaling linkage member (20). The switch module (40) includes a microswitch (41) arranged corresponding to the sliding plate (30) such that the microswitch (41) is operably opened or closed based on the movement of the sliding plate (30). Accordingly, through the opening and closing of the microswitch, the telesignaling monitoring on the functional module state can be achieved.

A miniature circuit breaker with an automatic opening/closing function, comprising a circuit breaker body and an automatic opening/closing driving mechanism; the body comprises circuit breakers, each comprising a plastic housing, an opening/closing handle and a manipulation mechanism; a spindle hole is at the rotation center of each handle; the driving mechanism comprises a case, a driving motor with a driving turbine, a linkage turbine, a linkage gear, an output spindle and a release linkage member; the driving motor drives the linkage turbine for reciprocating rotation via the driving turbine, and the linkage turbine drives the release linkage member for reciprocating rotation within a preset angle range via a cam linkage so that a lever of the release linkage member prods an opening release linkage rod to perform a rapid opening action; the linkage turbine drives the linkage gear and the output spindle to do synchronous rotation via driving teeth.