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US 9,000,870 B2Granted
Multipolar electrical switch
AssigneeSiemens Aktiengesellschaft
InventorsPavel Naiman, Milos Petracek
Life of this patent
Estimating the term…
Abstract
A multipolar electrical switch includes at least one central pole housing, which adjoins two adjacent pole housings of the switch. In at least one embodiment of the invention, an electrical switching mechanism for switching an electrical phase current on and off is contained in each of the pole housings respectively. The central pole housing is equipped with a fastening element, which extends through the central pole housing into the two adjacent pole housings, namely in each instance to at most the center of the adjacent pole housings.
Claims15
A multipolar electrical switch, comprising:
- at least one central pole housing adjoining two adjacent pole housings of the switch;
- and
- electrical switching mechanisms, one of the electrical switching mechanisms being contained in each of the pole housings, each electrical switching mechanism being configured to switch an electrical phase current on and off, the at least one central pole housing being equipped with a fastening element extending through the at least one central pole housing into at most, a center of the adjacent pole housings, wherein the fastening element includes at least one section with a reduced cross-sectional area that is configured to rest in a recess of one of the pole housings, and portions of the fastening element on both sides of the at least one section have cross-sectional areas greater than the at least one section.
Dependencies are inferred from the claim text.