Is there a kind of relay only consumes power when switching? Announcing the arrival of Valued...

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Is there a kind of relay only consumes power when switching?



Announcing the arrival of Valued Associate #679: Cesar Manara
Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)Switching QuestionRelay switching for audioStandard Relay vs SSR vs TRIAC for Switching CFLsA relay that behaves like a simple one but doesn't continuously use power?Latching relay - Remember state after power failurename for relay that holds state and only consumes power when toggling statesRC relay range drops dramatically when under load?Relay sticking when switching mains for LED power supplyIdeal Switching Signal for a Featherwing power Relay boardRelay Sometimes Not Switching





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$begingroup$


The relay must stay on its state. When an electrical impulse is sent to it, it should switch its state and should maintain its status.



So I am really curious about it. Is there such a thing for saving lots of power?






relay







share|improve this question









New contributor




Barış Doğa Yavaş is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.







$endgroup$



















    3












    $begingroup$


    The relay must stay on its state. When an electrical impulse is sent to it, it should switch its state and should maintain its status.



    So I am really curious about it. Is there such a thing for saving lots of power?






    relay







    share|improve this question









    New contributor




    Barış Doğa Yavaş is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.







    $endgroup$















      3












      3








      3





      $begingroup$


      The relay must stay on its state. When an electrical impulse is sent to it, it should switch its state and should maintain its status.



      So I am really curious about it. Is there such a thing for saving lots of power?






      relay







      share|improve this question









      New contributor




      Barış Doğa Yavaş is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.







      $endgroup$




      The relay must stay on its state. When an electrical impulse is sent to it, it should switch its state and should maintain its status.



      So I am really curious about it. Is there such a thing for saving lots of power?






      relay




      relay






      share|improve this question









      New contributor




      Barış Doğa Yavaş is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      share|improve this question









      New contributor




      Barış Doğa Yavaş is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      share|improve this question




      share|improve this question








      edited 3 hours ago









      Greenonline

      82421023




      82421023






      New contributor




      Barış Doğa Yavaş is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      asked 9 hours ago









      Barış Doğa YavaşBarış Doğa Yavaş

      161




      161




      New contributor




      Barış Doğa Yavaş is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.





      New contributor





      Barış Doğa Yavaş is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






      Barış Doğa Yavaş is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






















          2 Answers
          2






          active

          oldest

          votes


















          12












          $begingroup$

          Yes, they go by various names such as a bistable relay, latching relay, or impulse relay. Common in small (telecom style 2A or less) and also some power relays have this function.



          There are various methods of actuating them, the small ones typically have either two coils (pulse one coil for 'on', pulse the other for 'off') or single coil (reverse polarity pulses for on vs. off).



          Some of the power ones are alternating (pulse on, pulse off). One application of the high-power relays is for electrical metering where the power can be remotely switched off in case of bill non-payment by the customer.






          share|improve this answer











          $endgroup$













          • $begingroup$
            But latching relays continues to draw energy for coil inside of it after one o hit the button using relay's second port(I don't know how its called?).
            $endgroup$
            – Barış Doğa Yavaş
            8 hours ago








          • 2




            $begingroup$
            You control the coil(s) and give it a brief pulse to put it in the desired state. That is typically done with electronics.
            $endgroup$
            – Spehro Pefhany
            8 hours ago












          • $begingroup$
            latching power relays are also used in ripple control systems.
            $endgroup$
            – Jasen
            8 hours ago



















          7












          $begingroup$


          But latching relays continues to draw energy for coil inside of it after one o hit the button ...




          You are getting confused with a relay circuit that electrically latches the relay on. A latching relay is bi-stable. It has two stable positions. It uses two coils to switch it - or one but you have to reverse the polarity.



          enter image description here



          Figure 1. A latching relay will stay in the last energised position when power is removed. Source: Homofaciens.






          share|improve this answer









          $endgroup$













          • $begingroup$
            usually the rocker is magnetused middle to both ends (or the fulcrum is magnetised top to bottom)
            $endgroup$
            – Jasen
            8 hours ago










          • $begingroup$
            Note that there are latching relays with one coil, where you reverse the coil drive to toggle the states.
            $endgroup$
            – Connor Wolf
            6 hours ago












          Your Answer






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          2 Answers
          2






          active

          oldest

          votes








          2 Answers
          2






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes









          12












          $begingroup$

          Yes, they go by various names such as a bistable relay, latching relay, or impulse relay. Common in small (telecom style 2A or less) and also some power relays have this function.



          There are various methods of actuating them, the small ones typically have either two coils (pulse one coil for 'on', pulse the other for 'off') or single coil (reverse polarity pulses for on vs. off).



          Some of the power ones are alternating (pulse on, pulse off). One application of the high-power relays is for electrical metering where the power can be remotely switched off in case of bill non-payment by the customer.






          share|improve this answer











          $endgroup$













          • $begingroup$
            But latching relays continues to draw energy for coil inside of it after one o hit the button using relay's second port(I don't know how its called?).
            $endgroup$
            – Barış Doğa Yavaş
            8 hours ago








          • 2




            $begingroup$
            You control the coil(s) and give it a brief pulse to put it in the desired state. That is typically done with electronics.
            $endgroup$
            – Spehro Pefhany
            8 hours ago












          • $begingroup$
            latching power relays are also used in ripple control systems.
            $endgroup$
            – Jasen
            8 hours ago
















          12












          $begingroup$

          Yes, they go by various names such as a bistable relay, latching relay, or impulse relay. Common in small (telecom style 2A or less) and also some power relays have this function.



          There are various methods of actuating them, the small ones typically have either two coils (pulse one coil for 'on', pulse the other for 'off') or single coil (reverse polarity pulses for on vs. off).



          Some of the power ones are alternating (pulse on, pulse off). One application of the high-power relays is for electrical metering where the power can be remotely switched off in case of bill non-payment by the customer.






          share|improve this answer











          $endgroup$













          • $begingroup$
            But latching relays continues to draw energy for coil inside of it after one o hit the button using relay's second port(I don't know how its called?).
            $endgroup$
            – Barış Doğa Yavaş
            8 hours ago








          • 2




            $begingroup$
            You control the coil(s) and give it a brief pulse to put it in the desired state. That is typically done with electronics.
            $endgroup$
            – Spehro Pefhany
            8 hours ago












          • $begingroup$
            latching power relays are also used in ripple control systems.
            $endgroup$
            – Jasen
            8 hours ago














          12












          12








          12





          $begingroup$

          Yes, they go by various names such as a bistable relay, latching relay, or impulse relay. Common in small (telecom style 2A or less) and also some power relays have this function.



          There are various methods of actuating them, the small ones typically have either two coils (pulse one coil for 'on', pulse the other for 'off') or single coil (reverse polarity pulses for on vs. off).



          Some of the power ones are alternating (pulse on, pulse off). One application of the high-power relays is for electrical metering where the power can be remotely switched off in case of bill non-payment by the customer.






          share|improve this answer











          $endgroup$



          Yes, they go by various names such as a bistable relay, latching relay, or impulse relay. Common in small (telecom style 2A or less) and also some power relays have this function.



          There are various methods of actuating them, the small ones typically have either two coils (pulse one coil for 'on', pulse the other for 'off') or single coil (reverse polarity pulses for on vs. off).



          Some of the power ones are alternating (pulse on, pulse off). One application of the high-power relays is for electrical metering where the power can be remotely switched off in case of bill non-payment by the customer.







          share|improve this answer














          share|improve this answer



          share|improve this answer








          edited 8 hours ago









          duskwuff

          18.2k32853




          18.2k32853










          answered 9 hours ago









          Spehro PefhanySpehro Pefhany

          214k5163436




          214k5163436












          • $begingroup$
            But latching relays continues to draw energy for coil inside of it after one o hit the button using relay's second port(I don't know how its called?).
            $endgroup$
            – Barış Doğa Yavaş
            8 hours ago








          • 2




            $begingroup$
            You control the coil(s) and give it a brief pulse to put it in the desired state. That is typically done with electronics.
            $endgroup$
            – Spehro Pefhany
            8 hours ago












          • $begingroup$
            latching power relays are also used in ripple control systems.
            $endgroup$
            – Jasen
            8 hours ago


















          • $begingroup$
            But latching relays continues to draw energy for coil inside of it after one o hit the button using relay's second port(I don't know how its called?).
            $endgroup$
            – Barış Doğa Yavaş
            8 hours ago








          • 2




            $begingroup$
            You control the coil(s) and give it a brief pulse to put it in the desired state. That is typically done with electronics.
            $endgroup$
            – Spehro Pefhany
            8 hours ago












          • $begingroup$
            latching power relays are also used in ripple control systems.
            $endgroup$
            – Jasen
            8 hours ago
















          $begingroup$
          But latching relays continues to draw energy for coil inside of it after one o hit the button using relay's second port(I don't know how its called?).
          $endgroup$
          – Barış Doğa Yavaş
          8 hours ago






          $begingroup$
          But latching relays continues to draw energy for coil inside of it after one o hit the button using relay's second port(I don't know how its called?).
          $endgroup$
          – Barış Doğa Yavaş
          8 hours ago






          2




          2




          $begingroup$
          You control the coil(s) and give it a brief pulse to put it in the desired state. That is typically done with electronics.
          $endgroup$
          – Spehro Pefhany
          8 hours ago






          $begingroup$
          You control the coil(s) and give it a brief pulse to put it in the desired state. That is typically done with electronics.
          $endgroup$
          – Spehro Pefhany
          8 hours ago














          $begingroup$
          latching power relays are also used in ripple control systems.
          $endgroup$
          – Jasen
          8 hours ago




          $begingroup$
          latching power relays are also used in ripple control systems.
          $endgroup$
          – Jasen
          8 hours ago













          7












          $begingroup$


          But latching relays continues to draw energy for coil inside of it after one o hit the button ...




          You are getting confused with a relay circuit that electrically latches the relay on. A latching relay is bi-stable. It has two stable positions. It uses two coils to switch it - or one but you have to reverse the polarity.



          enter image description here



          Figure 1. A latching relay will stay in the last energised position when power is removed. Source: Homofaciens.






          share|improve this answer









          $endgroup$













          • $begingroup$
            usually the rocker is magnetused middle to both ends (or the fulcrum is magnetised top to bottom)
            $endgroup$
            – Jasen
            8 hours ago










          • $begingroup$
            Note that there are latching relays with one coil, where you reverse the coil drive to toggle the states.
            $endgroup$
            – Connor Wolf
            6 hours ago
















          7












          $begingroup$


          But latching relays continues to draw energy for coil inside of it after one o hit the button ...




          You are getting confused with a relay circuit that electrically latches the relay on. A latching relay is bi-stable. It has two stable positions. It uses two coils to switch it - or one but you have to reverse the polarity.



          enter image description here



          Figure 1. A latching relay will stay in the last energised position when power is removed. Source: Homofaciens.






          share|improve this answer









          $endgroup$













          • $begingroup$
            usually the rocker is magnetused middle to both ends (or the fulcrum is magnetised top to bottom)
            $endgroup$
            – Jasen
            8 hours ago










          • $begingroup$
            Note that there are latching relays with one coil, where you reverse the coil drive to toggle the states.
            $endgroup$
            – Connor Wolf
            6 hours ago














          7












          7








          7





          $begingroup$


          But latching relays continues to draw energy for coil inside of it after one o hit the button ...




          You are getting confused with a relay circuit that electrically latches the relay on. A latching relay is bi-stable. It has two stable positions. It uses two coils to switch it - or one but you have to reverse the polarity.



          enter image description here



          Figure 1. A latching relay will stay in the last energised position when power is removed. Source: Homofaciens.






          share|improve this answer









          $endgroup$




          But latching relays continues to draw energy for coil inside of it after one o hit the button ...




          You are getting confused with a relay circuit that electrically latches the relay on. A latching relay is bi-stable. It has two stable positions. It uses two coils to switch it - or one but you have to reverse the polarity.



          enter image description here



          Figure 1. A latching relay will stay in the last energised position when power is removed. Source: Homofaciens.







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered 8 hours ago









          TransistorTransistor

          88.9k785190




          88.9k785190












          • $begingroup$
            usually the rocker is magnetused middle to both ends (or the fulcrum is magnetised top to bottom)
            $endgroup$
            – Jasen
            8 hours ago










          • $begingroup$
            Note that there are latching relays with one coil, where you reverse the coil drive to toggle the states.
            $endgroup$
            – Connor Wolf
            6 hours ago


















          • $begingroup$
            usually the rocker is magnetused middle to both ends (or the fulcrum is magnetised top to bottom)
            $endgroup$
            – Jasen
            8 hours ago










          • $begingroup$
            Note that there are latching relays with one coil, where you reverse the coil drive to toggle the states.
            $endgroup$
            – Connor Wolf
            6 hours ago
















          $begingroup$
          usually the rocker is magnetused middle to both ends (or the fulcrum is magnetised top to bottom)
          $endgroup$
          – Jasen
          8 hours ago




          $begingroup$
          usually the rocker is magnetused middle to both ends (or the fulcrum is magnetised top to bottom)
          $endgroup$
          – Jasen
          8 hours ago












          $begingroup$
          Note that there are latching relays with one coil, where you reverse the coil drive to toggle the states.
          $endgroup$
          – Connor Wolf
          6 hours ago




          $begingroup$
          Note that there are latching relays with one coil, where you reverse the coil drive to toggle the states.
          $endgroup$
          – Connor Wolf
          6 hours ago










          Barış Doğa Yavaş is a new contributor. Be nice, and check out our Code of Conduct.










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          Barış Doğa Yavaş is a new contributor. Be nice, and check out our Code of Conduct.













          Barış Doğa Yavaş is a new contributor. Be nice, and check out our Code of Conduct.












          Barış Doğa Yavaş is a new contributor. Be nice, and check out our Code of Conduct.
















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