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Remote switch for shop vac?

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Forum topic by kaitlyn2004 posted 02-22-2021 09:22 PM 298 views 0 times favorited 14 replies Add to Favorites Watch
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kaitlyn2004

41 posts in 115 days


02-22-2021 09:22 PM

I’ve got a Ridgid WD4050 shop vac hooked up to a Dustopper and wanted to add a remote switch for the vac.

I came across something like this:

https://www.amazon.ca/gp/product/B01HWB0TPU

It lists 15A, which should be great, but then says only 1/3HP – virtually any shop vac will be more than that? Would this switch work with my shop vac, or do I need something totally different?


14 replies so far

View SMP's profile

SMP

3426 posts in 912 days


#1 posted 02-22-2021 09:33 PM

Just go by amps/volts/watts. Shop vac HP is a made up number, they could easily say Kajillion Horsepower.

View tvrgeek's profile

tvrgeek

1388 posts in 2656 days


#2 posted 02-22-2021 09:34 PM

Personally, I like to de-rate by 50%, but it is darn cheap, so give it a shot.

View clagwell's profile

clagwell

363 posts in 799 days


#3 posted 02-22-2021 09:58 PM

The horsepower rating of a switch relates to the ability of the switch contacts to dissipate the stored energy of the motor’s magnetic field when the motor is shut off. Going over that rating will reduce the life of the contacts. It’s a cheap switch. If it fails in a week look for different one. If it fails in a year just replace it.

-- Dave, Tippecanoe County, IN --- Is there a corollary to Beranek.s Law that applies to dust collection?

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CaptainKlutz

4135 posts in 2501 days


#4 posted 02-22-2021 10:40 PM

The 5HP is imaginary number.
That vacuum is rated for 9A on paper, which is very similar to FLA for 1/2 HP induction motor.
Will need to find a switch rated for at min of 1/2HP, preferrably 3/4-1HP to ensure better long term reliability.

If you want to be ‘cheap’, This remote control might work, as the relay inside is rated for 1HP. By time you add plugs, receptacle, and box to keep things neat; might be able to buy remote made to dust collection for similar cost?

If you want unit ready to use with plug/receptacle designed for dust collection motors, check out the PSI Long Ranger or iVac remote switch

You can find reviews and discussion threads on these devices, and other solutions in forums too.

Best Luck.

-- If it wasn't for bad luck, I wouldn't have no luck at all, - Albert King - Born Under a Bad Sign released 1967

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bigJohninvegas

939 posts in 2469 days


#5 posted 02-22-2021 11:14 PM

I have used that sort of switch on a Harbor freight 2hp dust collector for years. Picked mine up at Home Depot.
After about two years I did have one quit working. And only costing about $12 at the time, I just bought another and kept going. This last black Friday I upgraded DC to a brand new Powermatic that has a built in remote. And have moved the old remote to my shop vac that is hooked up to my miter saw. Its been there since mid December, and so far working fine.
The version I use more resembles this one linked below, But I think they are basically the same. I like the corded version, keeps the rest of the outlet open.
https://www.amazon.ca/DEWENWILS-Extension-Weatherproof-Wireless-Controlled-dp-B07W53C4FQ/dp/B07W53C4FQ/ref=dp_ob_title_hi

-- John

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splintergroup

4650 posts in 2229 days


#6 posted 02-22-2021 11:28 PM

I am using the I socket# auto switch which will turn the vac on when I turn on my ROS. It has been flawless for the past 3 years.

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Axis39

430 posts in 604 days


#7 posted 02-22-2021 11:34 PM

I bought an inexpensive remote and switch at Home Depot last year to use with my HF Dust Collector…. That DC kicks a bit of amperage when it starts and fried the switch within a few weeks. So, I bit the bullet and invested in an i-Vac remote. It’s been flawless since.

But, that’s a dust collector with a bit more powerful motor and a heavier kick, electronically, when it starts.

I’d say you’d be fine with a cheapo remote and switchable outlet for a shop vac.

-- John F. SoCal transplant, chewer uppper of good wood

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kaitlyn2004

41 posts in 115 days


#8 posted 02-22-2021 11:41 PM

Thanks for the information guys – if I am following correctly, it sounds like in a bad scenario, it’s this whichever-i-buy outlet that would fail, not the shop vac?

Or could an underpowered/cheap outlet actually damage my ridgid vacuum?

View splintergroup's profile

splintergroup

4650 posts in 2229 days


#9 posted 02-23-2021 12:03 AM

The vacuum should be immune to most anything electrical, but if you try a low-buck switch, keep it somewhere you can see it in case the smoke gets let out.

View SMP's profile

SMP

3426 posts in 912 days


#10 posted 02-23-2021 12:22 AM



Thanks for the information guys – if I am following correctly, it sounds like in a bad scenario, it s this whichever-i-buy outlet that would fail, not the shop vac?

Or could an underpowered/cheap outlet actually damage my ridgid vacuum?

- kaitlyn2004

In my experience, the weakest link goes out first. If the switch is the weakest link, the contacts inside are going to arc and build up “carbon” that keeps from making a connection. I’ve seen this quite a lot and have even opened them up and filed/sanded the contacts clean to extend the life.

View SuperCubber's profile

SuperCubber

1169 posts in 3291 days


#11 posted 02-23-2021 04:52 AM

I bought one of the remotes for Christmas lights over five years ago. It was on clearance at Lowe’s for less than $2. It has worked with my Ridgid “5HP” shop vac ever since.

-- Joe | Spartanburg, SC | "To give anything less than your best is to sacrafice the gift." - Steve Prefontaine

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kaitlyn2004

41 posts in 115 days


#12 posted 02-23-2021 04:57 AM



I bought one of the remotes for Christmas lights over five years ago. It was on clearance at Lowe’s for less than $2. It has worked with my Ridgid “5HP” shop vac ever since.

- SuperCubber

Damn that price is nice!

View Fred Hargis's profile

Fred Hargis

6826 posts in 3500 days


#13 posted 02-23-2021 11:26 AM

You often find those switches on sale around Christmas, I keep several (of the same brand) in the shop in case the one I’m using fails.

-- Our village hasn't lost it's idiot, he was elected to congress.

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SuperCubber

1169 posts in 3291 days


#14 posted 02-23-2021 12:04 PM



You often find those switches on sale around Christmas, I keep several (of the same brand) in the shop in case the one I m using fails.

- Fred Hargis

Exactly! I bought every one they had. Have a few to family members and saved a few to use as spares.

-- Joe | Spartanburg, SC | "To give anything less than your best is to sacrafice the gift." - Steve Prefontaine

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