Reverse Polarity Switching / DPDT switch wiring - by VOGMAN
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- Опубліковано 16 вер 2024
- Reverse Polarity Switching by wiring a DPDT switch - How to wire up DPDT switches with helpful diagrams. Changing polarity by swapping battery leads is tiresome but a simple switch can achieve the same results. Here I look at a simple DPDT wiring circuit and look at how reverse polarity switching can be used to steer a direct driver model vehicle.
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The BEST explanation of DPDT EVER! Finally got my baler able to wrap the bales. Thank you!
Glad it helped!
I've spent all day mucking about with a rocker switch and drill motor. Thank you for your explanation, hopefully tomorrow I'll get it working both ways now.
2:35 That explanation with the diagram was pretty useful. thank you!
Thanks Kálmán : )
Just recently learned about japans MagLev train, blew my mind. But there was one part i just couldnt grasp. Polarity switching. Now it all makes sense. Thank you so much!
Best explanation ever on DPDT and reverse polarity. You are a a god sir.
Glad it was helpful!
I am building a model railway power controller and this explained all I needed to know. Thanks.
THANK You. I had drawed exactly the same on a piece of paper but wasn't entirely sure it would work. Your website (and not Video) helped to clarify. Thanks!!!
Glad I could help!
Excellent description mate, I was trying to figure out how my power window switch works, you showed me how with this vid 🙂
Thank you so much! I have been trying to use this for a month now, and it finally works.
Glad it helped 😁
best video so far! thank you
Glad you liked it!
Super helpful for cattle feeders thanks man
No problem!
A very good demonstration in the implementation of DPDT Switch
Thanks Mario.
I tried to "wire" that in my head just now and was getting the headache from it - it seemed somewhat counterintuitive that one side would go to the side and the other to the common; that was after I got it that probably each polarity goes to different pole (oh, the name -_- ) ... Then I googled it and now it's clear. Thank you!
Agreed, best explanation ever.Many thanks, I got my HO model rail locomotive to go forward and reverse using this idea.
Glad it helped
this is exactly what i was looking for. thank you so much
Perfect. Just what I needed. Thanks for posting
Glad it helped!
I am writing two comments because this is probably the best explanation
Very kind : )
Brilliant description just what i was looking for Thanks
Glad it helped
very well explained can you wire a 2 speed wiper motor to go forward and reverse in slow on one and fast on another.there are three wires on motor red, blue and green .I can reverse the motor with one dpdt switch can the second switch be used for the other speed
Good explanation ....good job 👍
Thank you 🙂
Why do I feel like I'm in a mission impossible movie with someone telling me vital information to save the world. But thanks for video. Learned what I needed
Best description I've seen of a double throw switch.
The diagrams are REALLY good.
Well done.
Many thanks : )
very easy to understand, thank you
You are welcome!
very good explanation .Thank you
Love the video! I was thinking about reversing the polarity in my flex shaft rotary tool, and I guess the speed controller would be the foot pedal I suppose? Then, instead of metal shards going in my face, it would go out into the opposite direction. Not to worry, I think I might just hold it upside down for similar effect. But thanks for the knowledge. I also love your grillz videos BTW. Cheers mate
Brilliant explanation, thank you very much.
Glad it was helpful!
Credit to you mate. Very clear video.
Much appreciated
Fantastic video and explanation. Congrats and thank you.
Glad it was helpful!
Ok you again?!?! Obvious your videos are the best explanations of RC and relays. Liked and thank you !
Glad you like them!
Loved the concept and presentation and warning ⚠️ about its applications. I have a very interesting question? Could you not wire a heavier guage 3 way on a rotisserie motor?🤔🤔✍️✍️🧐
It's not anything I've tried if I'm honest Paul. As a general rule, heavy duty motors need a dedicated motor control system. It's safer all around : )
VOG relay also work. Where there’s a will there’s a way. Nothing is Impossible
Thanks - just what I wanted. I'm controlling two 12V boat trolling motors. I also want to switch from slow (in series) to fast (in parallel). Don't suppose you've a circuit for that too? 😊
Yeah man, crushed it! this video was absolutely awesome, cheers dude!
Glad you enjoyed it!
Pleasantly surprised by your prompt reply! Hahah I might frequent the channel more! Cheers man!
I try to reply to every comment. I fail more than I'd like as time often stops me... but I do TRY 😁
Are these large SPST switches really stiff and loud for everyone else? The mini SPST switches feel great and sound fine but are too small.
The ones I've used have always had a pleasant, positive CLICK to them 😁
Hello my dear new friend, this informative video ,fully watched from philippines👍👎🤝🙏🏼👏👇🏿👇🏿👇🏿👇🏿
I watched this because I'm trying to wire up a winch for my lawnmower and I dont have a wiring harness or relays. I'm making my own wiring harness and I've messed with it for about 5 hours today non stop and I finally found out why it's not working. I need a DPDT switch. What would you suggest for a good one for a winch
Excellent! Thank you!
Thanks Alex : )
Best and Clear Explanation! Just like your many other interesting videos. Needed this info for building a small linear actuator using an old cordless DC drill motor. Thanks a Bunch!
Will this work if the dpdt is a push button type? I don't have the other types..
Yes, DPDT switches come in sliders, toggles and push-button form. They all work the same way.
Could you clear up my confusion please? im connecting a up/down trim switch on an outboard with a DPDT switch but the wire diagram for my switch shows the positive and ground in the middle. and it shows the up and down trim wires making an X with the outermost terminals. Im assuming it is actually wired the way you demonstrated but the 2 accessory wires in the middle are red and black which is very misleading to make people assume its the positive and ground wire when it is not.
Thanks for explanation will these switches work on a 12volt motor
I see no reason why they shouldn't 😁
Sir, I have an existing common auto relay switch and do not want to remove. Can I wire a DTDP switch after the existing relay in order to reverse the electric motor?
could this be done with using two dpdt push buttons?
what powers the relay. i am sorry i am so new in this
What would be a small motor in your opinion
Electrons actually flow in the opposite direction of your diagram but still it's a good video =]
You say you don’t recommend this for large motors. How big is a large motor? How many volts?
Does it the switch matter if I'm running four 12v car batteries in a series circuit.
Great info my friend....could you also use 5 pin relays to manage amps.
I already have... ua-cam.com/video/T1o29KTVbTE/v-deo.html 😁
... and yes, you can use relays for Amps 😁
Can a 3 prong switch be just as good
Hi
I make all kinds of stuff with those wheel chair motors.
And we use the Sabertooth motor controllers.
Where did you get the gears?
How did you make the tank tracks?
Hi Sten. This is how I made the tracks : )
ua-cam.com/video/VRMcSF6l7qE/v-deo.html
Beautiful explanation of how to use a DPDT switch to reverse polarity to a DC motor. The diagrams at 2:55 to 3:48 are extremely helpful. Not to make things more complex but I have another question: Instead of "jumping" the red terminal across the back of the switch, would this system still function if I ran two separate red wires all the way back to the DC power source? (Or blue. No difference.)For my application, let's say that my motor is "running a flag up a flagpole", and I want a microswitch to cut power once the flag is at the top, even if my finger is still pushing the DPDT toggle. Then, I want to run the flag DOWN the pole and have a second microswitch cut power again at the bottom? One DPDT and 2 NC microswitches for 3 switches total. Make sense? Thanks so much.
Hi Stephen. I'm struggling to visualise what you mean, but I always recommend people experiment and see. You'll learn far more that way : )
As long as you throw and eye to safety, you'll be fine - and you WILL get there : )
Ok,...now look, that was a lazy answer, but I will try to straighten it out for you, ... I have an actuator to raise, & lower a modified trolling motor for my kayak, but you can think of this as raising/lowering a hoist, & the actuator was originally used to track the sun for a solar array, ... and the program reset itself every 24 hours, plus & minus the actual time of sunset, & sunrise according to the program design, ... nothing wrong with what I bought though, ... there is a built-in limit switch, for each direction of the motion, ... that will shut off the power when it reaches a set point, ... at the end of each traveling direction, ... I am operating it via a dpdt switch, just like one would use for a snowplow operation, up/down, or swing for left/right, ... I also have a variable speed control to operate the propeller function of the kayak motor, ... also ran through a different dpdt switch, ...fwd/rev, plus speed control, ... used these types of switches to operate 2 trolling motors on my 1972 Sears Gamefisher 12’ modified “rowboat”, ... wish I could add a photo of it sitting on the trailer, to showoff my $250.00 enterprising initial/versus finished project, ...
I spent a few hundred dollars on it to do the modifications I needed to do, but it was well worth the labor, & cash, ... alas, I must do it all over again in order to refit it, because an injury caused me to leave it outdoors for the last 7 years, but am looking forward to doing it all over again, ... maybe it will see the water again for bass, & crappie in 2020, ...lol, ...
Experimentation is good, and you will never know unless you try, but do your homework, because the due diligence will be quite rewarding, ...
Would a 115V fan motor be considered a large motor, & is a DPDT switch safe for that motor?
Hi Jon. Current is more important than voltage when it comes to electrical load. Does the fan say how many amps or watts?
I'd guess a fan wouldn't be so bad so as long as the switch is up to the task and as long as YOU are well insulated from the current, you should be fine. However, I'd encourage you to let the fan FULLY STOP with each switch reversal. There's a lot of momentum in fan blades and this would place a lot of stress on the motor if you switched whilst the blades were turning.
Hope this helps : )
Would corvette headlight motors be considered large?
It's all down to how much current they pull in relation to how much current the switch can handle - so look to your switch first. You should find it lists its maximum Amp rating. If the headlights come in less than this, you should be fine, but really I think I'd like to see Relays used there : )
4:21 "would'nt reccomend controlling large motors this way"
at what voltage of motor would you say this becomes a problem?
I would be guessing that its not so much about voltage, but rather amperage. As the more amps used, often means the motor has more power and torque. In simple terms, it can get someone hurt if something goes wrong. Also, small toggle switches like these are usually only rated around 30 amps if I remember right, have to go look at the one's I have to see exact specs. So if the motor is pulling to many amps, these switches won't last long. Also, as he said, some motors don't like to have their polarity reversed too quickly. So it also depends on what they're being used for.
I've got an illuminated on-off-on switch with 7 pins. Can it be used as reverse polarity switch?.
Trying to add reverse to a Razor quad.
Possibly... it's hard to be certain as there are so many types and makes of switch out there. Your best bet is to look very closely at the switch and see if you can make out any manufacturers names and / or a serial number and then Google it. Most things are out there. However, there's always more than one type so try some simple low voltage tests like you saw me do before you risk anything precious and expensive : )
Is there an automated version of a dpdt switch?
What's considered a "tiny motor?" I have 12v/1.1a brushed DC motor that's run off three 18650 batteries in series.
does it work on universal motors ? ( ones that use electromagnets instead of Permanent Magnets ) taking a AC/DC power source. or this is solely for DC motors ?
The switch itself has nothing to do with motors so will work in the manner shown regardless.
However, if you're talking about using the switch to control forwards and backwards motion of motors as I have here, then the motors MUST BE BRUSHED. These work on DC.
Brushless motors which work on AC require phase control to function, so you cannot control them using this type of switch.
I hope this helps.
What kind of wires are being used at 2:40?
Hey I seen another fan question below, but I didn't get any clarification from it. As the OP never answered back. So I have an old steel fan with three speeds. Its has about an 18 inch blade and does not oscillate. It's a product of the forties, and the dial knob has snapped off. The fan still runs fine, but no switch. It's for the Bantams coop as it's very hot in Florida right now. I've got it jerry-rigged up to cool them but I don't want it to burn anything or start a fire.
So I have an 8 pin DPST? ? slide switch laying around, and thought it may suffice. I dont need to reverse any rotation just the three speeds. How could I accomplish this. I hope this makes sense.
Thankyou in advance, for taking the time to read this.
Sorry Walter, I really have no experience with that sort of thing.
Personally I'd probably open it up and find the broken part and get a number from it (there's usually one on the side).
Try Googling that number or visiting a good electronics store. These can usually provide you with a replacement or modern equivalent. You'll be saving a nice old fan for just a couple of bucks : )
Hope this helps.
VegOilGuy Thank you sir.
How do the red and the blue cables are called , at 2:39?
Hi. The red is positive and the blue is negative - but it doesn't really matter to be honest as the switch reverses the polarity as long as the cross-over I talk about is wired properly. Hope this helps : )
Thank you for the answer , but i meant if there is a special name for this type of wires that clasp on dpdt's pins , as i want to order some like them for my project and i cant find them.
My apologies. My mistake : )
Yes, they're called Spade Connectors (as they are the same shape as the garden digging tool).
There are also Ring Connectors (guess what they look like)
Bullet Connectors
Butt Splice
Piggy Backs and my favourite...
Fork Connectors (two prongs that are brilliant for going under screw terminals, better than trying to coil a wire around a screw if you've ever done that).
You'll also need a crimping tool (these look like pliers but squash the wire and connector together to form a join).
Hope this helps. If you need anything else, let me know.
Thank you very much!!
i thinking about it to do it how? now i know it ,,Thank you very :)
Thanks : )
Diodes, who needs them! seek out circuit solver on the playstore!
...and this is how your power window switch works