# Module 3 Pathway: Technician: Timing and Interposing Relays

**URL:** <https://forum.digikey.com/t/module-3-pathway-technician-timing-and-interposing-relays/70811>\
**Category:** Education\
**Tags:** learning-pathways\
**Created:** [July 24, 2026, 4:11pm UTC](https://forum.digikey.com/t/module-3-pathway-technician-timing-and-interposing-relays/70811 "2026-07-24T16:11:34Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![APDahlen](https://sea2.discourse-cdn.com/digikey/user_avatar/forum.digikey.com/apdahlen/32/40191_2.png) [@APDahlen](https://forum.digikey.com/u/APDahlen)\
**Post date:** [July 24, 2026, 4:11pm UTC](https://forum.digikey.com/t/module-3-pathway-technician-timing-and-interposing-relays/70811/1 "2026-07-24T16:11:34Z")

</div>

This document describes the third learning module for the Industrial Automation Technician.

> **Pathway Status** : This module index is under active development. Available lessons are linked below; additional lessons and assessments will be added as they are completed.

* * *

This article is part of the [DigiKey Structured Learning Pathways](https://forum.digikey.com/t/digikey-structured-learning-pathways/70808).

**Location** : [Industrial Automation Technician](https://forum.digikey.com/t/digikey-structured-learning-pathways/70808#p-135884-industrial-automation-technician-4)  
**Author** : Aaron Dahlen | MSEE | Senior Applications Engineer, DigiKey  
**Last updated** : 24 Jul 2026

* * *

## Timing Relays

- [What Is a Multifunction Relay?](https://forum.digikey.com/t/what-is-a-multifunction-relay/38230)
- [How to Add a Timer Module to Turn a Standard Relay into a Time-Delay Relay](https://forum.digikey.com/t/how-to-add-a-timer-module-to-turn-a-standard-relay-into-a-time-delay-relay/42903)
- [Construct a TOFF Delay Using a TON Delay Relay](https://forum.digikey.com/t/construct-a-time-off-toff-delay-using-a-time-on-ton-delay-relay/43063)

## Interposing Relays

- [Use of an Interposing Relay for Increased Contactor Speed](https://forum.digikey.com/t/use-of-an-interposing-relay-for-increased-contactor-speed/37600)
- [Flyback Diodes, Relay Contact Wear, and Contactor Release Time](https://forum.digikey.com/t/flyback-diodes-relay-contact-wear-and-contactor-release-time/70363)