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Binding Post For Inverter?


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  #1  
Old 11-12-2014, 01:14:23 AM
Railroads Railroads is offline
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Default Binding Post For Inverter?

Evening, I have aquired a Endurance 800 watt inverter but the binding post are screwed. The black post is missing a plastic insulater and the red post is missing a thum screw. Anyone know how to obtain similar binding post for a inverter like this??? What type of post are these and who stocks these kinda parts?

Here is a picture of a similar unit to mine.

http://www.ebay.com/itm/Endurance-80...item4872ce3aad

Robert
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  #2  
Old 11-12-2014, 01:31:58 AM
Thaumaturge Thaumaturge is offline
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Default Re: Binding Post For Inverter???

Good luck. I lost one and couldn't find any stock replacements. Best I could find were the nuts that thread on small round mount panel switches. Lots of suppliers for regular binding posts. Try Jameco electronics, Mouser, MPJA.com, mcmelectronics, digikey, allied electronics etc.
Doc
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  #3  
Old 11-12-2014, 02:21:16 AM
Railroads Railroads is offline
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Default Re: Binding Post For Inverter???

I guess in that case the best outcome would be to find a set that fits the holes and has a rating of 30 amps. The unit has 4 fuses at 30 amps so that would be about 120 amps total. But I doubt post for that current would be available? Besides the 10 gauge leads are only 30 amp rated.

Robert

Edit: 8 gauge leads. The little wires off the board are 10 gauge.

Robert
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Old 11-12-2014, 03:10:47 AM
Thaumaturge Thaumaturge is offline
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Default Re: Binding Post For Inverter???

Closest high current post I could find were the 30 amp keystone posts carried by Digikey.
Doc
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Old 11-12-2014, 03:44:24 AM
Railroads Railroads is offline
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Default Re: Binding Post For Inverter???

Well I may just go with those then.

I got the inverter from a family member who just did not have time to change out a couple of bad caps. However, When it was taken apart the black plastic piece on the back that retains the nut as seen in the above link got lost. I am going back up that way in December for a visit so maybe it could still be in one of the tool boxes. It's a long shot, but worth a look.

Robert
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Old 11-12-2014, 10:05:46 AM
Bassplayer1985 Bassplayer1985 is offline
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Default Re: Binding Post For Inverter?

Digikey or Mouser should have what you need. An 800 watt inverter should be fused for 80-100 amps max. Likely it has little to no surge capability. You would need at least 4 gauge wires for proper efficiency and compensate for voltage drop.
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Old 11-12-2014, 10:52:08 AM
cornbinder89 cornbinder89 is offline
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Default Re: Binding Post For Inverter?

I have found that these cheap inverters often fail at the power input. I had one where the input stud goes thru a plastic insulator, but the whole thing is kept tight by tightening the inside against the plastic, so if it gets hot, it loosens and gets hotter and melts the plastic! I had to take it apart and re-make this part and have had no problem since.
because 800 watts is going to pull close to 100 amps (ok a little less) I would look into making my own binding stud that doesn't rely on the insulator to keep the contacts tight.
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Old 11-12-2014, 02:54:43 PM
Railroads Railroads is offline
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Default Re: Binding Post For Inverter?

Well, I agree with what has been said. But you know how it is with these cheap chinese inverters. I have a Vector 700 watt that uses the 8 AWG wire with battery clips. From what I have seen this Endurance 800 watt inverter was setup the same way.

Now for making the post. I had thought about using threaded rod and locking washers, but I cannot figure out how to insulate the post through the metal back panel??? What sort of rubber groments or washers would be likely to fit???

Locally we have Lowes and one other little hardware store. Anything likely to be found at a big box store???

Robert

Bass, The unit is 800 running watts and 1600 surge watts according to the sticker on the inverter.

Robert
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Old 11-12-2014, 06:17:16 PM
Thaumaturge Thaumaturge is offline
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Default Re: Binding Post For Inverter?

Quote:
Originally Posted by Railroads View Post
Now for making the post. I had thought about using threaded rod and locking washers, but I cannot figure out how to insulate the post through the metal back panel??? What sort of rubber groments or washers would be likely to fit???
Just cut a Lexan or plexiglass mounting plate. Could also pour an epoxy standoff to larger mounting hole. If nothing else cut rubber hose ring standoffs.
Doc
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Old 11-13-2014, 11:08:58 AM
Bassplayer1985 Bassplayer1985 is offline
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Default Re: Binding Post For Inverter?

Quote:
Originally Posted by Railroads View Post
Bass, The unit is 800 running watts and 1600 surge watts according to the sticker on the inverter.Robert
Often I see these cheaper MSW inverters do not have adequate input stage sizing to handle their rated continuous load. If they do run at 800 watts they wont do it for long, thermal shutdown, or go snap crackle pop.

If you need a cheap but reliable inverter, you can get the Tiger Claw 1500 Pure sine wave for under 200 bones shipped. I got one of them and it works great!

http://www.amazon.com/Tiger-1500W-Po...dp/B008JGE8LE/
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  #11  
Old 11-14-2014, 08:29:34 PM
Railroads Railroads is offline
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Default Re: Binding Post For Inverter?

Bass, I will be honest. I thought the Tiger Claw was related this this infamous failure of a inverter. http://ludens.cl/Electron/chinverter/chinverter.html

Robert
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Old 05-10-2015, 10:05:05 PM
Railroads Railroads is offline
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Default Re: Binding Post For Inverter?

Update, I still have not rebuilt the inverter discussed above. I have been putting it off since my battery has since bit the dust as well.

However, I have searched for industrial binding post and came across these http://www.dhgate.com/product/4pc-in...187073243.html

Just wondering if anyone has seen these before or knows of better industrial binding post???

I don't know about anyone else here? But I have in this area alot of this idiots running around with amps a thousand times too big for a car.

They have the music literally making the ground shake. Since I hate these mindless zombies and have a axe to grind.

I am thinking of going out and finding a second hand car amp at the local flea market. Seen a bunch of them last year. I am thinking of stripping the binding post. Which are a close match to a power inverter. I also need the cooling fan which also is a close match.

Robert
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Old 05-13-2015, 10:24:35 AM
Bassplayer1985 Bassplayer1985 is offline
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Default Re: Binding Post For Inverter?

Quote:
Originally Posted by Railroads View Post
Bass, I will be honest. I thought the Tiger Claw was related this this infamous failure of a inverter. http://ludens.cl/Electron/chinverter/chinverter.htmlRobert
Hey Robert. Knurgnar on y-tube and I can easily tell you that anything from PowerJack is absolute garbage!!


Now the Tigerclaw, though of Chinese origin, is actually designed in Arkansas.What I mean is the inverter performs well, but it isn't spectacular. There is a still a decent amount of dead time at the zero crossing, and the input stage is inadequate for 1500 watts continuous, more like 1200-1300 watts. The assembly inside, well its not the best either, just adequate. I wouldn't trust it for dealing with vibration and bumps in a car for example. I leave my Samlex SSW-2000-12A inverter in my vehicle for various uses.

Even with these shortcomings, its still a great little unit. Its cheap, it works, and if it blows up, I cannot complain too much for the price I paid.
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Old 05-14-2015, 01:39:10 AM
Railroads Railroads is offline
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Default Re: Binding Post For Inverter?

Thanks Bass. I was hoping someone would chime in on the tiger claw. There is alot of inverters for sale and it is hard to tell what works and what does not.

I have been looking at these units. http://www.ebay.com/itm/PURE-SINE-WA...item43dc31db8b

Do you have any experiences with that particular brand?

Robert
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Old 05-14-2015, 11:59:48 AM
Bassplayer1985 Bassplayer1985 is offline
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Default Re: Binding Post For Inverter?

Quote:
Originally Posted by Railroads View Post
Thanks Bass. I was hoping someone would chime in on the tiger claw. There is alot of inverters for sale and it is hard to tell what works and what does not.I have been looking at these units. http://www.ebay.com/itm/PURE-SINE-WA...item43dc31db8b Do you have any experiences with that particular brand?Robert

Knurlgnar did a few reviews on this brand too. From what I gleaned from his tests they were garbage as well. Anytime on the Tiger Claw, again it works great for me. I use it for tailgating and camping often.

https://youtu.be/S98cT6g236A

heres a video running a heavy load with my canister vacuum.
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Old 05-19-2015, 04:13:39 AM
Warpspeed Warpspeed is offline
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Default Re: Binding Post For Inverter?

Most if not all of these original inverter high current binding posts are made of brass and as some of us are finding out, can be fairly fragile and impossible to obtain genuine replacements from the original Chinese manufacturer.

This is a fairly common problem, and even if you do find something similar, it will also be fragile, too often horribly expensive (for what it is) and will probably not directly fit the hole in the metalwork anyway.

Best solution is to first completely dismantle what was left of the original damaged binding post, and salvage the red and black plastic insulating flanges.
Then put it all back together using an honest fine thread plain HIGH TENSILE steel bolt, with either steel or brass nuts.

It will then be indestructible.
Cheap too, will not look too out of place, and the repair will last a lifetime.
And you can really torque down on those nuts without fear of damage.
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Old 02-04-2016, 04:29:42 AM
Railroads Railroads is offline
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Default Re: Binding Post For Inverter?

True, But for me the insulators are missing. So I have been looking for something similar to the orignals. My project was fairly simply at first. But, two missed screws resulted in coaxing the dang board out of the case and unforunately destroying all the power fets on the negative side. Grrr! Who would have thought they would hide two screws under the dang label on top of the inverter.

It's only a 800 watt cheapie which will cost more to fix than to just replace it. But, The homesteader in me says to not throw away but fix it.

Unlike fuel oil and coal. Money is a renewable resource most of the time.

The learning experience is priceless!

Anyway, I found Aliexpress has some medium size post listed for inverters. Cheaper than the DHGate ones. http://www.aliexpress.com/item/Middl...08.4.10.4hBuzd

Robert
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Old 02-06-2016, 03:02:48 PM
Warpspeed Warpspeed is offline
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Default Re: Binding Post For Inverter?

Robert,
Those terminal posts may struggle beyond about 30 Amps which is the typical maximum rating for that type of thing. Some are only rated to 15 Amps.
The problem is the rather thin brass threaded shank.
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Old 02-06-2016, 03:53:39 PM
Railroads Railroads is offline
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Default Re: Binding Post For Inverter?

True, But my so called 800 watt modified sine inverter probably cannot do anywhere near 800 watts as the inside is just not looking like it has the potential for any serious power output. I'd say divide by 2 and that should be more realistic. Plus, I only use these inverters when a storm wreaks havoc or a Hurricane knocks out the ole TV.

For the fridge and freezer I have a genny but it needs a rebuild or just change engines.

I've let my backup systems basically fall apart and am trying to get back on the ball. NC has not had any Hurricane in quite a while thank goodness. But that luck will run out sooner or later.

I am thinking of a OSP Tiger Claw inverter of 1500 watts and wondering if the modified sine would run the fridge or freezer alternating between them?

Truthfully I want one of those powdered core low frequency inverters that is heavy as heck for my motor loads.

Robert
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Old 02-07-2016, 04:39:34 AM
Warpspeed Warpspeed is offline
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Default Re: Binding Post For Inverter?

Quote:
Truthfully I want one of those powdered core low frequency inverters that is heavy as heck for my motor loads
Yup.
Those transformer type inverters may be big heavy and primitive, but they have the Cajones to handle heavy short term motor starting loads, and a take fair bit of abuse in their stride.
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