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Relay Problem

Discussion in 'General Electronics Discussion' started by ramesh, Apr 20, 2011.

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  1. ramesh


    Apr 20, 2011
    hi i am new to relays , We have 6v relay, for this we are giving input voltage is 4.4v to the coil of the realy.

    Is it sufficient to energize the realy properly???? some relay's are working and some others are not working.

    What could be the problem ????

    Thanks !![/QUOTE]
  2. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    Jan 21, 2010
    ramesh, you have a curious posting style. It is one that I am sure t keep an eye on...

    Relays will often work over a range of voltages, but if you exceed the bounds in either direction then bad things start to happen. At the under-voltage end the relays stop pulling in.

    If you can find the specs for the relay, it may indicate a range of operating voltages.

    If all the relays are the same type and some pull in while others do not, then you may be right on the edge of the acceptable voltage (actually, you may be quite a bit under it, but that's another story).

    If the relays are different types, then it is not uncommon for the minimum pull-in voltage to differ between relays having the same nominal coil voltage.
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