An overvoltage protection element with a housing, an overvoltage-limiting component arranged in the housing, and with two connection elements for electrically connecting the overvoltage protection element to the current or signal path to be protected, wherein, normally, the connection elements are each in electrically conductive contact with a pole of the overvoltage-limiting component. Reliable and effective electrical connection in the normal state and reliable isolation of a defective overvoltage-limiting component are ensured by the fact that a thermally expandable material is arranged within the housing in a way that, in the event of thermal overloading of the overvoltage-limiting component, the position of the overvoltage-limiting component is changed by expansion of the thermally expandable material relative to the position of the connection elements in a way that causes at least one pole of the overvoltage-limiting component to be out of electrically conductive contact with the corresponding connection element.

Overvoltage protection element

A terminal block assembly includes an actuator member that is displaceable relative to a terminal block housing to transport an insulated conductor toward the insulating penetrating knife edges of a stationary electrical contact mounted within the housing, characterized by the provision of a guide pin and guide groove arrangement for guiding the actuator member during the displacement thereof relative to the housing.

Terminal block with disconnect contacts and contact operating means

A sensing circuit, a vehicular battery pack using a sensing circuit, a method of protecting a circuit with a fuse and a method of providing battery power to a vehicle. The sensing circuit includes the fuse, which is made up of a main element and a sensing element such that the sensing element defines a pre-open detection capability through at least one of a dissimilar geometric profile or a different material choice from that of the main element. The sensing circuit also includes an electrical connector between one or more battery cells and an electronic control module so that the circuit provides indicia of the fusing event. In this way, a fuse opening event takes place in the sensing element prior to the main element in such a way as to give the operator of a battery-powered vehicle advance warning of an impending opening of the main element and consequent electrical circuit shutdown, thereby allowing the operator of the vehicle to take corrective measures as a way to avoid fuse opening and a related loss of vehicular propulsive power.

Sensing feature on fuse element for detection prior to fuse open

The box has an electrical conductor (3) that acts on a pre-tensioning unit (6) during insertion of the conductor such that the pre-tensioning of a strain-relief unit (4) is loosened at an insertion depth of the conductor. The strain-relief unit comes into a position, in which it exerts a clamping force on the inserted conductor, where the clamping force acts as strain relief for the conductor.

Electrical connection- and junction box e.g. solar socket, for use in building roof, has strain-relief unit that comes into position, in which it exerts clamping force on inserted conductor, where force acts as strain relief for conductor

The insulation displacement connector provides top access to facilitate insertion of conductors for interconnection with a sliding action. The top access slideable connector comprises a channel-shape conductive terminal having at least one key-hole opening and tails for wire wrapping, a channel-shape housing comprises an upper surface and an interior panel, both the surface and the panel each having at least one corresponding opening in axial alignment with the other and correspond to the key-hole and a base plate with a plurality of openings through some of which the terminal tails extend from. The housing receives the terminal and is slideable mounted onto the base plate with latching members. When the corresponding surface, panel and the larger part of the key-hole openings are in alignment, a conductor is inserted through the three corresponding openings. Upon sliding the housing along the base plate, the surface and panel openings force the conductor to move into the narrower part of key-hole opening for electrical connection with the terminal.

Clamp terminal for insulated electrical conductor has spring loaded slider released to press inserted current conductor against cutting blade penetrating conductor insulation and connecting conductor to current rail

The excess voltage protection unit (1) has a housing (2) for a varistor or a gas-filled voltage take-off Two contacts (4,5) give an electrical connection for the unit at the current or signal path to be protected On a thermal overload, the position of the varistor shifts in relation to the contacts, through a spring, and breaks the connection between the varistor poles and the contacts The upper side of the housing has a viewing window (19) and a sprung pin (20) to make contact with a remote transmission system

Excess voltage protection unit has a varistor which, on a thermal overload, shifts for separation from the contacts

Gegenstand der Erfindung ist ein steckbares aktives Element in Querrichtung fur Reihenklemmensysteme.

Steckbare aktive Elemente in Querrichtung für Reihenklemmensysteme

The device (1) has conductors (2, 3) arranged in a parallel and electrical conducting manner. The conductors exhibit different, large ohmic resistors and inductors. A monitoring device detects interruption of the conductors. The conductors exhibit same large length and different large cross sections. The conductors are designed as conductor paths of conductor boards. The monitoring device is attached to the conductors. The conductors are impacted with spring forces, and the monitoring device comprises a unit i.e. lamp, for remote signalization of interruption of the conductors. Independent claims are also included for the following: (1) a method for signalization of the peak current (2) an over-voltage protection device comprising an over-voltage protection element.

Signalization device for use in over-voltage protection device for signalization of flash current in e.g. off-shore wind energy system, has monitoring device provided for detecting interruption of conductors, which exhibit same large length

Dargestellt und beschrieben ist ein Uberspannungsschutzelement zur Begrenzung von transienten Uberspannungen und zur Ableitung transienter Strome, mit mindestens zwei Elektroden (2, 3) und einer zwischen den Elektroden (2, 3) existenten bzw. wirksamen Funkenstrecke (4), wobei beim Zunden der Funkenstrecke (4) ein Lichtbogen zwischen der ersten Elektrode (2) und der zweiten Elektrode (3) entsteht. DOLLAR A Das Uberspannungsschutzelement (1) weist dadurch eine besonders hohe Lebensdauer auf und ist preiswert herstellbar, das die Elektroden (2, 3) aus leitfahigem keramischem Werkstoff bestehen.

Wetter Martin

Papers

Clamp terminal for insulated electrical conductor has spring loaded slider released to press inserted current conductor against cutting blade penetrating conductor insulation and connecting conductor to current rail

Excess voltage protection unit has a varistor which, on a thermal overload, shifts for separation from the contacts

Steckbare aktive Elemente in Querrichtung für Reihenklemmensysteme

Signalization device for use in over-voltage protection device for signalization of flash current in e.g. off-shore wind energy system, has monitoring device provided for detecting interruption of conductors, which exhibit same large length

Überspannungsschutzelement und Überspannungsschutzeinrichtung