Three Phase Motor Connection Star/Delta (Y-Δ) Reverse and Forward with Timer Power & Control Diagram 

As we have already shared the Starting method of Three Phase Motor by Star Delta Starter with Timer Circuit (Power and Control Circuits). Now in the below diagrams, Three phase Motor will rotate in two directions viz Forward and Reverse. But We have controlled the direction of rotation of this three phase motor by a Timer circuit.

Abbreviations:
O/L = Over Load Relay
NO = Normally Open
NC = Normally Close
FOR = Forward
REV = Reverse 
T = Timer

3 Phase Motor Connection Star/Delta (Y-Δ) Reverse / Forward with Timer PowerDiagram

Power Diagram:

3 Phase Motor Connection Star/Delta (Y-Δ) Reverse / Forward with Timer ControlDiagram  

Control Diagram: