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What does the star-delta contactor circuit do for us? And how does it work? We already discussed what the star-delta circuit is some time ago. It is a starting method to reduce the starting current of electric motors and thus relieve the load on the power grid. The coil ends in the motor terminal board must be bridged in a certain way. Today we're not doing that with bridges, but with contactors. I'll also explain in quite a bit of detail (but understandably) how the control circuit works. And how to set it up for manual switching and automatic switching. And now have fun watching! If you have any questions, write to me, I'll be happy to help you ;). I'd be happy to receive feedback and if you liked it, then leave a like and a subscription. Thanks for watching. The Electronics Engineer Music by Bensound.com/free-music-for-videos License code: LHBYC7RT6GPGT5R7 All emojis were designed by OpenMoji – the open-source emoji and icon project. License: CC BY-SA 4.0 #Star-delta contactor circuit #Start-up procedure #Electric motors