How On Delay Timer Works | Star Delta Timer Diagram

This post is about "how on delay timer works" or how star delta timer works with diagram explanation. In the post, you will see a complete wiring diagram of the star delta timer. In the diagram 2 light bulbs are wired with 8 pin timers.
In the on delay timer working diagram. 3 MCB circuit breakers are wired for controlling the supply. A 8 pin timer wired. On light bulb will ON when the timer is not operated. When the supply provided to the timer the light bulb will be off.
The second light bulb will be ON when the timer completes the time. The on-delay timer wiring diagram shown below.

How on delay timer works | Star delta timer working Diagram

how on delay timer works

Sikandar Haidar is a hub of electrical and electronics tutorials and easy diagrams.


  1. Am very much delighted BC of the great impacts this group is making in the life's of engineers and engineering students.thanks to the organizers and d administrators

  2. Thanks to the administrators of this group,is very educative.

  3. It's clear for every body to check him/her self

  4. Very good explanation nice work

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