Rockwell Automation, Inc.

David T Williams

Julian Poyner

Derek William Jones

Burt Sacherski

Michael Scharnick

William E Anderson

Derek Sawyer

Stephen Zbytowski

David Howard Kerr

Geoffrey Alan Talbot

Gillian P Parker

There is provided a safety switch having a housing configured to receive a removable key, and a mechanism arranged to be operated when the key is moved from an engaged position to a partially disengaged position, the mechanism being arranged to cause a signal to pass to a separate apparatus, wherein the safety switch further comprises a lock which is controlled by the separate apparatus and is arranged to prevent the key from being fully disengaged from the safety switch until a signal has been received in response from the separate apparatus.

Safety switch

A safety switch includes a cable having a first end connected to a cable translator moveable between a disengaged position and an engaged position, the cable having a second end for connection to a remote lock and power supply switch.

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Crickhowell, United Kingdom

David T Williams