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Star Delta Starter wiring

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Hello Friends today I have to write about star delta starter wiring with power and control wiring diagram so please friends read carefully and also comments us if you have any suggestions or Questions 🙂. Lets start first I have to inform you about  Que:- Why we can use star delta starter ...? Ans:-They are used in an attempt to reduce the start current applied to the motor during start as a means of reducing the disturbances and interference on the electrical supply. Now We Start discuss about starter wiring diagram  There are two types of wiring in star delta starter 1) power wiring   2) Control wiring  So that first we have start with power wiring  Material used in star delta starter  1) 3 pole mcb ........................................................1 nos  2) 6amp single pole mcb for control wiring..........1 nos  3) Magnetic contactor with no nc block ................3 nos 4) Overload relay .......................................