FIELD: electricity.
SUBSTANCE: invention relates to an electric switching system. The system includes a switching device casing, having lock grooves, one first lock shoulder looking at the first support surface from the front side. The protective coating made as a constituent element contains two side protective walls, and one connecting them front protective wall, on its end face. A terminal block for cables on the rear wall looking at the switching device has appropriate guides and lock moulding-on elements, and one elastically installed lock hook. The terminal block for cables on its front wall looking from the switching device has at least one second lock shoulder corresponding by the position and shape to the first lock shoulder, and made with a possibility of connection with the first lock hook.
EFFECT: possibility of the switching system combination at the connection side.
11 cl, 11 dwg
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