A resetting element for transmitting resetting force to a thermal switch. The resetting element includes a first end and an elastic element configured to transmit a force received at the first end to the reset switch of the thermal switch, wherein the elastic element is prevents damage to the thermal switch by decreasing the force transmitted to the reset switch from the first end.

An overheating destructive disconnecting method for switch, which enables a first elastic force to concurrently apply force to an overheating destructive member and a movable conductive member. Moreover, the force direction causes the movable conductive member to concurrently contact a first conductive member and a second conductive member to form a conductive circuit. A second elastic force acts on the movable conductive member, and the force direction thereof causes the movable conductive member to separate away from the first conductive member or the second conductive member, The overheating destructive member is positioned in a required non-electric transmission path and at a distance from the movable conductive member. When the overheating destructive member is destructed or deformed under a fail temperature condition, the first elastic force is lessened or lost, at which time the second elastic force causes the movable conductive member to change position, thereby breaking the current-carrying circuit.

A fuse holder for holding a fuse is provided that includes a body, a line side connector supported by the body, and a load side connector supported by the body. The fuse holder also includes a toggle switch supported by the body and capable of toggled engagement in a first position that provides electrical connection. The switch is also capable of toggled engagement in a second position that provides electrical isolation between the line side connector and the load side connector. The fuse holder also includes a fuse carrier. The fuse carrier is supported by the body and adapted for holding the fuse and the fuse carrier is adapted to be removed from the fuse holder. The fuse holder includes a blocking device blocking the toggled engagement of the switch from the second position to the first position when the fuse carrier is not within the fuse holder.

A fuse holder for holding a fuse is provided that includes a body, a line side connector supported by the body, and a load side connector supported by the body. The fuse holder also includes a toggle switch supported by the body and capable of toggled engagement in a first position that provides electrical connection. The switch is also capable of toggled engagement in a second position that provides electrical isolation between the line side connector and the load side connector. The fuse holder also includes a fuse carrier. The fuse carrier is supported by the body and adapted for holding the fuse and the fuse carrier is adapted to be removed from the fuse holder. The fuse holder includes a blocking device blocking the toggled engagement of the switch from the second position to the first position when the fuse carrier is not within the fuse holder.

A switch module with a built-in structure of anti-surge and linkage disconnection, particularly to one that has an anti-surge instant expanding detaching device with a cocoon form protection structure, when an overvoltage occurs, the metal oxide varistor would instantly heat up or explode, and the expanded graphite is linear expanded by absorbing heat and forms a cocoon form protection structure that fill up the containing space like a spider web covering the metal oxide varistor to forms a flame proof layer, when the expanding volume of the expanded graphite reach the predetermined setting, the expansion provides a push force pushing the pushing element forcing the first connecting point detaching from the second connecting point and turning off the switch, and further achieving the effects of easy manufacturing and improving the stability and the accuracy.

A switch module with a built-in structure of anti-surge and linkage disconnection, particularly to one that has an anti-surge instant expanding detaching device with a cocoon form protection structure, when an overvoltage occurs, the metal oxide varistor would instantly heat up or explode, and the expanded graphite is linear expanded by absorbing heat and forms a cocoon form protection structure that fill up the containing space like a spider web covering the metal oxide varistor to forms a flame proof layer, when the expanding volume of the expanded graphite reach the predetermined setting, the expansion provides a push force pushing the pushing element forcing the first connecting point detaching from the second connecting point and turning off the switch, and further achieving the effects of easy manufacturing and improving the stability and the accuracy.

A switching device including a frame, a first fixed contact member having a first contact area, and a first movable contact member having a first contact arm provided with a contact area. The first movable contact member is adapted to pivot relative to the frame around a first pivoting axis between a first position and a second position. The switching device includes a spreader member that is adapted to provide a first intermediate position for the first movable contact member in which a projection of the contact area of the first contact arm overlaps at least partially with a projection of the first contact area on a switch plane perpendicular to the first pivoting axis while the contact area of the first contact arm is spaced apart from the first contact area.

A switching device including a frame, a first fixed contact member having a first contact area, and a first movable contact member having a first contact arm provided with a contact area. The first movable contact member is adapted to pivot relative to the frame around a first pivoting axis between a first position and a second position. The switching device includes a spreader member that is adapted to provide a first intermediate position for the first movable contact member in which a projection of the contact area of the first contact arm overlaps at least partially with a projection of the first contact area on a switch plane perpendicular to the first pivoting axis while the contact area of the first contact arm is spaced apart from the first contact area.

A fuse holder for holding a fuse is provided that includes a body, a line side connector supported by the body, and a load side connector supported by the body. The fuse holder also includes a toggle switch supported by the body and capable of toggled engagement in a first position that provides electrical connection. The switch is also capable of toggled engagement in a second position that provides electrical isolation between the line side connector and the load side connector. The fuse holder also includes a fuse carrier. The fuse carrier is supported by the body and adapted for holding the fuse and the fuse carrier is adapted to be removed from the fuse holder. The fuse holder includes a blocking device blocking the toggled engagement of the switch from the second position to the first position when the fuse carrier is not within the fuse holder.

A fuse holder for holding a fuse is provided that includes a body, a line side connector supported by the body, and a load side connector supported by the body. The fuse holder also includes a toggle switch supported by the body and capable of toggled engagement in a first position that provides electrical connection. The switch is also capable of toggled engagement in a second position that provides electrical isolation between the line side connector and the load side connector. The fuse holder also includes a fuse carrier. The fuse carrier is supported by the body and adapted for holding the fuse and the fuse carrier is adapted to be removed from the fuse holder. The fuse holder includes a blocking device blocking the toggled engagement of the switch from the second position to the first position when the fuse carrier is not within the fuse holder.