These non-contact switches and interlock systems ensure guarding on numerous types of packaging machinery with hard guards, doors, hatches, and gates. They are available as magnetic safety switches (Magnasafe), coded magnetic safety switches and interlock systems (ISIS System), standalone electronic safety switches (SSS Switches), and uniquely coded electronic safety switch systems (F- Series) with up to 500,000 codes. The SSS is a tamper-proof, standalone safety switch that can be used to switch relays, contactors or safety relays directly. Only a compatible actuator will operate the SSS switch correctly. Removing the need for a separate control unit makes it possible to use electronic switching technology in smaller, simpler safety systems. The SSS is suitable for use, on its own, for lower category safety systems, providing two volt-free outputs (two normally open or one normally open and one normally closed). It can also be used in conjunction with safety relays where a higher category of performance is required. For ease of operation the fixed switch has an LED, giving true indication of the SSS safety switch contacts.
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