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Issue 22



Evolving toward a truly universal machine safety relay

Machine-safety relays have evolved in the decades they’ve been used in the safety circuits that protect machine operators from injury. But in the past, they remained a specialized component that typically couldn’t be swapped between applications. Today, however, maintenance managers can select truly universal relays that simplify maintenance and minimize inventory.

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Visit us at Pack Expo 2017!

September 25 - 27
Las Vegas, booth #C5242


The Sentry safety relays are easy to use safety relays, suitable for all common types of safety applications. The series contains basic models for simple applications and easy output expansion, as well as highly flexible models with extremely accurate timer functions.

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AFS contractors for machine safety applications come with fixed front contact blocks, making them ideal for monitoring and controlling circuit.  

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Featured video

An up-close look at ABB's Sentry Safety Relay and Eden OSSD Safety Sensor. 

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SCCR calculations made easy

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