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I want to control the coil of a relay using 6V input to turn on a relay which will activate a 220V device. Is there a relay that works for this application?

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    \$\begingroup\$ There certainly exists 220 V relays with 5 V coils. Check the datasheet for them and find out which would cope with 6 V. \$\endgroup\$
    – winny
    Apr 19, 2022 at 6:48
  • \$\begingroup\$ There are plenty of relays with 6V coils. Why not use one of those? \$\endgroup\$
    – StarCat
    Apr 19, 2022 at 9:48
  • \$\begingroup\$ Yes, there are many many such relays. \$\endgroup\$
    – user253751
    Apr 19, 2022 at 11:09

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Check the data sheets for 5V relays. Many will handle slightly higher voltages on the coil.

5V relays capable of switching 220V are very common.

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