Patent ID: 11227730

Abstract:
A modular structure for safety switches for controlling access for machines and industrial plants comprises a casing (2) housing switching means for controlling one or more circuits of the machine or plant, drive means adapted to interact with the switching means upon the opening/closing of the access, an auxiliary module (3-3v) housing at least one control (4i-4v) adapted to be manually operated to operate on the switching means and/or the drive means and comprising a box hollow body (5) having at least one opening (6) for inserting the control (4i-4v) provided with first means for removably connecting the control (4i-4v), the latter being selected within a series of controls (4i-4v) having functions different from each other and each provided with a fastening rod (7i-7v) adapted to be inserted in the opening (6) of the box body (5) and provided with second connecting means complementary to the first connecting means.