Siemens Aktiengesellschaft

Thomas Erk

Andreas Stelzer

Reinhard Zeuke

Ralf-Reiner Volkmar

Jochen Ermisch

Hartmut Schoentag

Marianne Peter

Hartmut Sch&ouml;ntag

Uwe Hering

The invention relates to switchgear with switching devices that can be controlled by magnetic drive devices, especially vacuum circuit breakers, wherein the switching devices are arranged by blocks in a housing in correspondence with the number of phases to be switched, said housing enclosing the switching devices on three sides and said devices being releasably fixed by screws in the housing by a top and a bottom contact connection piece. The switching devices (VS) have separate housings that are formed by pole shells (PS) arranged as a mirror image of each other and the top and bottom contact connecting piece (KAo, KAu) form a top and a bottom cooling body (KKo, KKu) which are releasably fixed between separately arranged vacuum circuit breaker fixing webs (VB . . . ) of the pole shells (PS), wherein the top cooling body (KKo) is fitted in the peripheral area of the switching devices (VS) with ventilation slots (LS . . . ) extending centrally in relation to the switching devices and the bottom cooling body (KKu) is fitted in the peripheral area of the switching devices (VS) with air inlets (LE) arranged symmetrically in relation to the central axis. Said switchgear are used in power supply and distribution.

Switchgear assemblies having switching devices

The invention relates to switchgear assemblies having switching devices arranged in housings whose contact bolts can be deflected in a straight line and can be controlled by a magnetic drive device and are guided axially and radially by means of concentrically arranged slotted guides. The housings are formed by mutually opposite pole shells, and the slotted guides are each provided by rotating guides mounted at one end. The rotating guides each have a trapezoidal lever contour and are equipped with guide pins which extend outward and are mounted such that they can rotate in guide recesses in the mutually opposite pole shells. The rotating guides are each provided with a U-shaped bolt bearing in which a guide bolt is mounted. Switchgear assemblies such as this are used in the field of electrical power supply and distribution.

Switchgear with switching devices arranged in housings

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Königs Wusterhausen, Germany

Thomas Erk