When I press the s1 k1 k2 relay will work and relay k4t will start counting the time, when the time to maturity, k 4 t will work. Cause of nc switch k 4 t Open circuit. Result 2 of NC stop working, K K 2 is off the circuit. Make a relayk 3. Makes 1 relayk and 3 k, which is a star Delta motor from the circuit. If you want to stop the motor press S to 0 to stop working.
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