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Safety Relay Topic: Difference between Safety Relay and General Relay

FAQ No. FAQ02435

Question

What is the difference between the Safety Relay and the General Relay?
 

Answer


Items	Safety Relay with forcibly guided contacts	General-purpose Relay
Forcibly guide contact	Yes	No
Detect the contact welding	If an NO contact becomes welded, it can be detected by the NC contact. If an NC contact becomes welded, it can be detected by the NO contact.	Not applicable
Contact welding and contact failure	Both Relays experience failures, but the forcibly guided contacts of the Safety Relay enables detection of failures with supplementary circuits, such as safety circuits.
Characteristics such as load switching and insulation resistance	Both Relays have similar characteristics. Refer to individual datasheets for specific characteristics and ratings.
Transfer contact arrangement	Cannot be formed	Can be formed
Applicable Models	G7SA Series G7S Series	MY Series LY Series

Other Safety Relay FAQs

 How does a forcibly guided contact work?

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