Automation & Control
Safety relay
A purpose-built relay device for monitoring simple machine safety circuits.
IN ONE SENTENCE
It checks devices such as emergency stops and guard switches and controls safe outputs with diagnostic features.
In normal English
Unlike an ordinary relay, a safety relay is designed and certified for safety functions when applied correctly.
Why would I use it?
Use it for relatively straightforward safety circuits without needing a safety PLC.
THINK OF IT LIKE…
A specialist watchdog for emergency stops and guards.
Related terms
safety PLC, emergency stop, PL
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