In an embodiment a device includes a first arrester unit with at least one first gas-filled surge arrester and a second arrester unit with at least one second gas-filled surge arrester, wherein the first and second arrester units are connected in series with one another between a first potential node and a reference potential node, wherein the first arrester unit and the second arrester unit are different from each other, wherein the first arrester unit includes a larger response voltage than the second arrester unit, and wherein the first arrester unit includes a smaller arc voltage than the second arrester unit.

In an embodiment a device includes a first arrester unit with at least one first gas-filled surge arrester and a second arrester unit with at least one second gas-filled surge arrester, wherein the first and second arrester units are connected in series with one another between a first potential node and a reference potential node, wherein the first arrester unit and the second arrester unit are different from each other, wherein the first arrester unit includes a larger response voltage than the second arrester unit, and wherein the first arrester unit includes a smaller arc voltage than the second arrester unit.

An arrester is disclosed. In an embodiment, the arrester includes a first electrode, a second electrode, a switching contact, a first discharge space between the first and second electrodes and a short-circuiting mechanism suitable for short-circuiting the first and second electrodes and for switching a state of the arrester, wherein, in a first state, at least one electrode of the first and second electrodes is not electrically conductively connected to the switching contact and, in a second state, the at least one electrode is electrically conductively connected to the switching contact.

An arrester is disclosed. In an embodiment, the arrester includes a first electrode, a second electrode, a switching contact, a first discharge space between the first and second electrodes and a short-circuiting mechanism suitable for short-circuiting the first and second electrodes and for switching a state of the arrester, wherein, in a first state, at least one electrode of the first and second electrodes is not electrically conductively connected to the switching contact and, in a second state, the at least one electrode is electrically conductively connected to the switching contact.

Provided in the present disclosure is an arc compression-based arc-extinguishing lightning-protection gap device. The device comprises a lightning protector main body and an arc-striking electrode. The arc-striking electrode is fixedly mounted at one end of the main body. The other end of the main body is fixedly mounted, by means of a link fitting, to a crossarm or one end of an insulator string. The lightning protector main body is provided with an arc-extinguishing path consisting of several arc-extinguishing channels in a repeated Z-shaped arrangement. An arc-extinguishing tube at an inlet of a first arc-extinguishing channel of the arc-extinguishing path is connected to the arc-striking electrode via an arc-guiding rod, and an arc-extinguishing tube at an outlet of a last arc-extinguishing channel is connected to the link fitting. A three-way tube is provided at a joint of two adjacent arc-extinguishing channels; two ends of the three-way tube are each provided with one arc-guiding electrode; and the arc-guiding electrode has one end extending into the three-way tube and the other end connected to a nearby arc-extinguishing tube via direct contact or a wire. The present disclosure has the advantages of simple structure, reasonable design, improved arc-extinguishing performance, and stable operation.

An arrangement for diverting voltage surges is disclosed. In an embodiment an arrangement for arresting overvoltages includes a series circuit including a plurality of gas-filled surge arresters between a first potential node and a reference-ground potential node and at least one RC element comprising a capacitor and a resistor connected in parallel, the RC element being coupled from at least one potential node between the surge arresters directly to the reference-ground potential node.

Provided in the present disclosure is an arc compression-based arc-extinguishing lightning-protection gap device. The device comprises a lightning protector main body and an arc-striking electrode. The arc-striking electrode is fixedly mounted at one end of the main body. The other end of the main body is fixedly mounted, by means of a link fitting, to a crossarm or one end of an insulator string. The lightning protector main body is provided with an arc-extinguishing path consisting of several arc-extinguishing channels in a repeated Z-shaped arrangement. An arc-extinguishing tube at an inlet of a first arc-extinguishing channel of the arc-extinguishing path is connected to the arc-striking electrode via an arc-guiding rod, and an arc-extinguishing tube at an outlet of a last arc-extinguishing channel is connected to the link fitting. A three-way tube is provided at a joint of two adjacent arc-extinguishing channels; two ends of the three-way tube are each provided with one arc-guiding electrode; and the arc-guiding electrode has one end extending into the three-way tube and the other end connected to a nearby arc-extinguishing tube via direct contact or a wire. The present disclosure has the advantages of simple structure, reasonable design, improved arc-extinguishing performance, and stable operation.

The invention specifies a surge protection element (100) comprising a first electrode (1), a second electrode (2) and a gas discharge chamber (10). The gas discharge chamber (10) is arranged between the first electrode (1) and the second electrode (2), wherein the surge protection element (100) comprises an intermediate electrode structure (3), which is arranged in the gas discharge chamber (10) and is electrically isolated from the first electrode and the second electrode (1, 2).

The invention specifies a surge protection element (100) comprising a first electrode (1), a second electrode (2) and a gas discharge chamber (10). The gas discharge chamber (10) is arranged between the first electrode (1) and the second electrode (2), wherein the surge protection element (100) comprises an intermediate electrode structure (3), which is arranged in the gas discharge chamber (10) and is electrically isolated from the first electrode and the second electrode (1, 2).

A gas discharge tube includes a housing defining a chamber, first and second terminal electrodes mounted on the housing, a plurality of inner electrodes located in the chamber, and a gas contained in the chamber. The inner electrodes are serially disposed in the chamber in spaced apart relation to define a series of spark gaps from the first terminal electrode to the second terminal electrode. The chamber is hermetically sealed.