Operator Interfaces, Switches & Relays


Safety switches for use in dangerous zones

June 2005 Operator Interfaces, Switches & Relays

Comitronic, a French specialist distributor of safety equipment, is offering its AMX5 CK - a new standalone safety switch with internal control, equipped with a locking device, which relies on a completely electronic process to function. This system embodies a new technological concept designed to replace conventional interlocking systems and has a wide range of applications, more particularly in the monitoring of dangerous zones.

The new easy-to-use AMX5 CK switch is a standalone non-contact safety device, classified in Category 3 of the European EN954-1 Safety of Machinery standard, with electrical coded-key locking. The totally electronic process - the Acotom3 decoding system - unlike competing reed switch-based systems, is believed to be completely tamper-proof.

The AMX5 CK lends itself to several applications. Primarily intended to monitor the opening of doors of dangerous machines, it also includes an electrical coded-key locking function intended to monitor dangerous zones. This enables, for instance, the switch to block the restarting of a machine if an access door is accidentally closed while the operator is inside. The new safety switch can be used alone to lock a dangerous area electrically: the coded key is located on the receiver and can block the functioning of the switch.

This switch is made up of a transmitter and a receiver, each housed in a polycarbonate case, and is equipped with an M12 connector. There are two NO safety lines (for 'Normally Open') and an auxiliary NC line (for 'Normally Closed'). The switch can also be used with the BLOC C4CK key-protected module.

For more information contact Atlas Industrial Systems, 016 981 7843, [email protected], www.comitronic.com,



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