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      The difference between safety relay and general relay

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      The difference between safety relay and general relay

      Release date:2020-01-16 The author: Click on:

      Safety relay is applied to the security loop, is a general control system equipment before the protective barrier, safety relay protection and can multiplex one, even can have security in the form of PLC; large system security is an important part of the relay circuit; the common relay can be used in general, voltage conversion and coordination over speed, coordination; the safety relay relates to safety certification and the level of security, scalability and functionality of conventional relay security, relay expansion is often common application; system security control is higher than that of normal control is required and extensive. The safety relay is used for the combination of the strobe. Apply to different levels. Relay manufacturers

      Safety relay is composed of a plurality of relay and circuit, in order to complement each other to achieve the correct abnormal defect, and low malfunction of relay function complete, the failure and the failure value is low, the safety factor is higher, so we need to design a variety of safety relays to protect the different grade of machinery, mainly the target machine operators in the risk exposure of the protection in different grades. So it is no different from ordinary relays? Where is the difference?

      What is the difference between a safety relay and an ordinary relay?

      1, the general size of the safety relay and general relay is not the same.

      The main difference with the general safety relay relay: the so-called safety relay is not fault relay, make regular action but when a fault occurs, it has forced guide contact structure, to ensure the safety of it in case of contact phenomena, this point is completely different with the general relay.

      2, early safety protection of the emergency stop control, generally by a combination of several relays to complete the power cut or delay power control, fault memory and reset the chain, etc.. Safety relays also put together a variety of functions, according to the different needs of the protection of different types of safety relays. Powerful, high reliability.

      3, the safety relay has special color, usually yellow, safety relay, current reliable, sensitive, mainly used to control the power supply circuit, when there is an emergency, press the emergency stop switch safety relay control circuit is broken, so as to ensure safety.

      The so-called safety relay is not fault relay, make regular action but when a fault occurs, it has forced guide contact structure, to ensure the safety of it in case of contact phenomena, this point is completely different with the general relay.

      Related tags:Miniaturepowerrelay

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