Importance

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Abstract

A safety switch for guarding access to industrial machines and plants comprises a switching device (2) provide with first anchoring means (9) to a fixed part of the access to be guarded, a driving device (3) adapted to be anchored to the movable part of the access and to interact with the switching means upon the opening/closing the access for opening/closing one or more circuits, signaling means comprising one or more sources of light signals adapted to emit one or more light and/or visible signals representative of the state of said one or more circuits and wherein the switching device (2) has at least one portion or cap (6) made of a transparent or translucent material which encloses one or more of sources of light signals to make them visible from the outside at least in the powered condition.

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First Claim