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54,917 Views • Apr 8, 2024 • Click to toggle off description
Usually I try to take things apart in a controlled manner, and then reassemble them after the video has been made. But not this time!
Keywords for finding industrial switches like this are - 22mm 380V panel
The phase to phase voltage in China is 380V and the standard panel cutout size is often 22mm.
If you enjoy these videos you can help support the channel with a dollar for coffee, cookies and random gadgets for disassembly at:- www.bigclive.com/coffee.htm
This also keeps the channel independent of YouTube's algorithm quirks, allowing it to be a bit more dangerous and naughty.
#ElectronicsCreators
Views : 54,917
Genre: Science & Technology
Date of upload: Apr 8, 2024 ^^
Rating : 4.972 (27/3,825 LTDR)
RYD date created : 2024-05-04T18:59:56.835899Z
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YouTube Comments - 247 Comments
Top Comments of this video!! :3
The NO contact escaped unhurt
42 |
Big Clive. Breaking things for science since 2008
29 |
Great to see mild violence in taking things apart. Remember EVERYTHING is a hammer unless it’s a screwdriver, then it’s a chisel.
58 |
"I destroy it so you don't have to" Classic Big Clive phrase. When it comes to switches and buttons I love ones that give you a nice "clunk". That's my kind of fidget toy.
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You successfully recreated the kind of one-way pile of bits that I used to as a curious kid, back in the day. Oh, the nostalgia! Thank you, Clive. 🙏
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I was pretty surprised to see an AC LED after I took apart an illuminated button. Never realized these things existed, and it makes perfect sense both for AC and DC. Just two structures wired in reverse-parallel in a single LED package - plain and simple.
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When I worked on the railway in the signalling department, we installed similar plungers on the platforms at Liverpool St station for Porters to use for closed doors and train ready to start. They were from Switzerland and we called them Squire 'D's' and they were stackable, so could mount multiple plungers together for extra contacts.
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I just love industrial gear/parts... I've gotten addicted to watching ebay listings and auctions for this sort of stuff. 😂
Thank you Clive for the awesome videos and live streams, Hope your getting lots of sleep and staying healthy! 🙂
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I learned at an early age (like 6 years old) that's a lot easier taking stuff apart than putting it back together. Especially stuff not meant to go back together. All well, that LED wasn't bright enough anyway.
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Whenever buying electrical stuff to play with, it's always a good idea to buy multiples, one to make and one to break as it were... :P
26 |
Is there anything more seductive that a nice, big, chunky button? Thanks for the invasive teardown to show us what's in these things!
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I like that the tester has a "fun" button.
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The can opener on a Swiss Army knife makes a great spudger, specifically the can opening blade part (rather than the the screwdriver tip). It's even better if you make the blade angle a little shallower with a Dremel. It's not flexible but it's wedge profile is really good for wiggling into the joint of two halves of a plastic shell and gently working it back and forth around the perimeter until the item in question finally gives up it's secrets. A Spartan or a Pioneer, particularly the Pioneer is a really underated tool for opening objects that the manufacturer really doesn't want to be opened.
4 |
And Green LEDs are usually the most visible since our eyes are most sensitive to green.
The calculations for two 75k, 1/2W resistors show a maximum of 387V, so they're running right on the edge of their maximum dissipation. There's no safety margin. Just hope the switch is not in a hot environment. 😮😮😮
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My favourite part was when I thought "oh it's just like a plastic pen", and then you said it out loud.
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It looks to me like the switch halves are ultrasonic staked, two pins fitting in two sockets. Before welding, this type of joint has interference of the pins and sockets. As vibration is applied by the ultrasonic welding transducer the pieces melt along the shear line between pin and socket , around their circumference, to bond them permanently. It's used a lot in low cost mechanisms. Disappointing that the switches themselves are sizzlers rather than snap action ones, the life may be low if switching high voltage high current loads. May last a while though if switch relay coils or similar low volt low current loads. A-B they sure aren't, but I imagine the price isn't A-B like, either. Thanks for the teardown. Cheers!
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Need some reverse pliers to really "bear" down on these things.
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There are similar switches that have a large, exposed, latching push button. Add a box and socket from the hardware store to fashion a DIY Emergency All-Stop button, for about $10USD. It makes an important safety device for any DIY EE Hobbyist Bench.
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Damn. Those thingamabobs were so hard to get to open up but at the same time held together by seemingly nothing that I started feeling kinship.
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@RobertBeck-pp2ru
3 weeks ago
Modern manufacturing. One-time snap together parts, no going back. If it fails in any way, buy a new one. I've worked with thousands of p.b. units in my industrial career. Allen Bradley was the best, but even they succumbed to the throw away concept eventually. Their older units were basically indestructible as far as service life goes. The Chinese unit you destroyed here is actually one of the better designs i've seen recently. Thanks for sharing.
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