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How Do Direct On Line Motor (DOL) Starters Work?

Motor controls can seem quite confusing when you're starting to use them but they're actually quite simple and can be used to increase the safety of electrical installations. The DOL or Direct On Line starter is the simplest of all the motor controls and is used across a wide range of applications. In this video Joe Robinson explains the basic concept of a DOL starter, what's inside it and how it works using simple, easy to understand language and diagrams. Take the free Motor Controls training module here 👉 https://training.efixx.co.uk/course/a... Made with support from ‪@cromptoncontrols3050‬, see their full offering of control equipment here: 👉 http://hub.efixx.co.uk/Aih Check out the other CPD content we've created here: 👉https://training.efixx.co.uk/#/home 🕐 Chapters 🕕 ========================================== 00:00 What is a DOL starter and how does it work? 00:19 Full free CPD Module on Motor Controls: 👉 https://training.efixx.co.uk/course/a... 00:25 Why Motor Starter is a poor name. 00:43 The real problem with starting electric motors, inrush current. 01:24 The two purposes of motor starting equipment. 01:40 The cut off power rating of a motor for DOL starters. 02:02 A word of warning when installing a DOL starter. 02:16 Why do we use a DOL starter instead of just a switch? Regulation 552.1.2 explains. 03:08 A critical power rating for the regs to kick in. 03:33 What's inside the DOL starter? 03:51 The overload relay, how does it help you comply with the wiring regulations? 04:39 What is the FLC or full load current of the motor? 04:57 What's inside an overload relay and how does it work? 05:06 Why are there so many screws on an overload relay? 05:22 Why won't the pins on the overload line up with my contactor? 05:37 How does an electrical contactor work in a DOL starter? 05:54 What's inside a contactor and how does it work? 06:12 How does the contactor turn on and off? 07:02 Check the operating voltage carefully... 07:54 The next video in the series 👉    • How Does a DOL Starter Control a Motor?   08:10 Full free CPD Module on Motor Controls: 👉 https://training.efixx.co.uk/course/a... ========================================== 📹 Presented by Joe Robinson - Technical Editor #motorcontrol #electricians #electricalinstallation