A method of connecting an electric element (20) to a switch part (10) provided with a fixed contact (11a), i.e., an example of a first contact, a first terminal (12) connected to the fixed contact (11a) and exposed out of the switch part (10), a movable contact (11b), i.e., an example of a second contact, capable of moving to a position at which the movable contact (11b) is in contact with the fixed contact (11a) and a position at which the movable contact (11b) is spaced apart from the fixed contact (11a), and a second terminal (13) connected to the movable contact (11b) and exposed out of the switch part (10) includes: connecting the electric element (20) in parallel to the fixed contact (11a) and the movable contact (11b) between the first terminal (12) and the second terminal (13).

A temperature switch includes a temperature detection unit configured to detect a temperature so as to move a movable contact to a position that is in contact with a fixed contact and to a position that is separated from the fixed contact, a first lead wire that is connected to the fixed contact and that includes a covering member, a second lead wire that is connected to the movable contact and that includes a covering member, and a first-insulation-case member and a second-insulation-case member each of which includes a first-lead-wire concave portion and a second-lead-wire concave portion, and which are fit into each other so as to form accommodation space S that accommodates the temperature detection unit, the movable contact, and the fixed contact, where first-lead-wire concave portion accepts insertion of the covering member of the first lead wire and the second-lead-wire concave portion accepts insertion of the covering member of the second lead wire.

A temperature-dependent switching mechanism for a temperature-dependent switch, having a temperature-dependent bimetal snap-action disc, a temperature independent snap-action spring disc, an electrically conductive contact member to which the bimetal snap-action disc and the snap-action spring disc are captively held, so that the bimetal snap-action disc, the snap-action spring disc and the contact member form a switching mechanism unit captively held together, and a switching mechanism housing which captively holds the switching mechanism unit. The switching mechanism housing surrounds the switching mechanism unit from a first housing side, a second housing side opposite the first housing side, and a housing peripheral side extending between and transverse to the first and second housing sides. The switching mechanism housing is configured as an at least partially open housing and includes an opening on the first housing side through which the contact member is accessible from outside the switching mechanism housing.

A temperature-dependent switch has a housing with a cover part having a lower side and an upper side and with an electrically conductive lower part having a circumferential shoulder and a circumferential wall with an upper section that overlaps the cover part. The switch has a first external contact surface on the upper side of the cover part and a second external contact surface externally on the housing, wherein the upper section of the circumferential wall presses the cover part onto the circumferential shoulder. A temperature-dependent switching mechanism is arranged in the housing and, depending on its temperature, establishes or opens an electrically conductive connection between the first and second external contact surfaces. A circumferential cutting burr is arranged on the shoulder in the lower part.

Electromechanical circuit breakers are disclosed herein. In some embodiments, the breakers can be integrated into battery management systems to simplify battery management circuitry and/or to provide redundancy to the battery management systems. In some embodiments, the breakers can be provided to reduce damage to the battery management systems during hot-swapping of a battery cell. The breakers can be automatically resettable or not automatically resettable in various embodiments.

A thermal protector includes, in a fixed manner, a first terminal and a second terminal that are respectively connected to external circuits, at lower left/right ends of the longitudinal directions of a base, and a right end at which a movable plate and a bimetal are superimposed is fixed to the right end of the upper surface of the base and is connected to the second terminal. A fixed contact is fixed to an internal end of the first terminal that is exposed in the left end of the base. A movable contact is fixed at a position facing the fixed contact on the lower surface of the left end of the movable plate. A partition wall that encloses the movable contact and the fixed contact from three directions is provided and bent plate planes are formed on both sides of the movable plate in the vicinity of the movable contact. The bent plate planes adjust the flow direction of hot air in cooperation with the partition wall so as to prevent a malfunction of a breaking arc flying to surrounding conductive members.

A temperature-dependent switch, comprising a temperature-dependent switching mechanism having a switching mechanism unit and a switching mechanism housing, in which the switching mechanism unit is arranged and held captively therein. Furthermore, the switch comprises a switch housing, in which the switching mechanism housing is arranged and held captively therein. The switching mechanism housing surrounds the switching mechanism unit from a first housing side, a second housing side opposite the first housing side, and a housing circumferential side extending between and transversely to the first and the second housing sides, and on the first housing side comprises an opening through which a movable contact part of the switching mechanism interacts with a stationary contact part arranged on the switch housing. The switching mechanism housing comprises an electrically conductive base body, which forms at least part of the second housing side, said part of the second housing side forming a freely accessible outside of the switch. The switch further comprises an insulator, which electrically insulates the base body of the switching mechanism housing from the switch housing and is arranged inside the switch housing.

Temperature-dependent switch, comprising a temperature-dependent switching mechanism having a switching mechanism unit, which comprises a movable contact part coupled to a bimetallic snap-action disc, and having a switching mechanism housing, in which the switching mechanism unit is arranged and held captively therein. Furthermore, the switch comprises a switch housing, in which the switching mechanism housing is arranged and held captively therein, wherein the switch housing comprises a stationary contact part, which acts as a mating contact to the movable contact part. The switching mechanism housing comprises an electrically conductive first base body and the switching mechanism is configured so as, below a response temperature of the bimetallic snap-action disc, to keep the switch in a low-temperature position in which the switching mechanism establishes a first electrical connection via the movable contact part between the first base body and the stationary contact part, and, if the response temperature is exceeded, to bring the switch into a high-temperature position in which the switching mechanism interrupts the first electrical connection. The switch further comprises a PTC component, which is electrically connected parallel to the first electrical connection.

A temperature-dependent switch, comprising a temperature-dependent switching mechanism having a switching mechanism unit, and having a switching mechanism housing, in which the switching mechanism unit is arranged and held captively therein, wherein the switching mechanism housing comprises a first base body composed of electrically conductive material. The temperature-dependent switch furthermore comprises a switch housing having a second base body composed of electrically insulating material, in which the switching mechanism housing is arranged and held captively therein, wherein the switch housing comprises a stationary contact part. The first base body of the switching mechanism housing surrounds the switching mechanism unit from a first housing side, a second housing side opposite the first housing side, and a housing circumferential side extending between and transversely to the first and the second housing sides, and on the first housing side comprises an opening through which a movable contact part of the switching mechanism unit interacts with the stationary contact part. The second base body of the switch housing surrounds the first housing side and the circumferential housing side of the switching mechanism housing.

A temperature-dependent switch with a housing, which comprises a cover part having an upper side and a lower part having a raised peripheral wall, the upper section of which is bent onto the upper side of the cover part and thereby holds the cover part on the lower part, wherein two contact surfaces are provided outside at the housing and a switching mechanism is arranged in the housing, wherein the switching mechanism is configured to switch, depending on its temperature, between a closed state, in which the switching mechanism establishes an electrically conductive connection between the two contact surfaces, and an open state, in which the switching mechanism interrupts the electrically conductive connection between the two contact surfaces. A sealing ring is arranged on the upper side of the cover part, which sealing ring is in sealing contact with the bent upper section of the wall.