FIELD: electrical engineering. SUBSTANCE: switch is fitted with cross-pieces anchored on piston of pneumatic drive and placed on its different sides. On cross-pieces there are installed cams which numer corresponds to number of cam contactors and which are produced in the form of rectangular parallelepipeds with bevel made in upper base. Cama are positioned in rows, in parallel to each other. EFFECT: increased operational efficiency and reliability of switch. 4 dwg
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