Looking for recommendations on the principles and brands of safety relays
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Safety instrument systems are being used more and more these days. What is the difference between cost-effective, certified safety electrical and mechanical devices and ordinary ones?
A safety relay functions similarly to two relays working in parallel, serving somewhat as a form of redundancy. The two sections have exactly the same structure; if one side fails, the other side continues to function normally. The price is about 1.6 times normal.