What are these wire connectors called?

demonboy

demonboy

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Do these connectors (the brownish ones, many of which are corroded in the picture) have an official name? I'd like to do a search for them but don't know what to call them.

https://dl.dropboxusercontent.com/u/25233603/ybw/wires600.jpg

Are they a standard size?

Can I buy this sort of thing as one whole bar with connectors attached?

Any online shop you could recommend for this?

Any help gratefully received.

(And could someone tell me why I can't attach the photograph to this thread? It is 600x400 and 150kb.)
 
DIN rail terminal blocks from any electrical distributor

Some pics

https://www.google.co.za/search?q=d...Qa1pYHQDw&ved=0CFEQsAQ&biw=1280&bih=655&dpr=1

"Are they a standard size?"

within a current range for a particular manufacturer the ase standard size but differ across supplier and for different current capacities

Looks like some overheated / burnt terminals in the top row. These will need looking at urgently
 
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demonboy said:
Thanks for the heads up, David. I've been struggling to find the right ones so if anyone else can help me identify the correct ones to replace mine with... I've emailed Farnell but not got anything back from them yet.
Click to expand...

If you can get one out you may find a manufactures name on the side. One on the end may be the easiest. It looks like there may be a spare one top row left end you may be able to slide is towards the left then off the end of the DIN rail. They do normally clip on/off in some way but different manufacture unclip in different ways.

If you intend to replace all of them any manufacturer will do but it looks you have at least 3 different sizes.

Where are you in Malaysia if you are near any industrial area the could be a local supplier of an equivalent of each size.
 
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I have a box full but I would do you a disservice if I sent them! They have steel screws, are too compact for multiple connections (as evidenced by your photo) are a nightmare to service and should never have been considered for marine use.

They are widespread in the control industry where space is at a premium.

Rip the lot out and start again!
 
Graham_Wright said:
I have a box full but I would do you a disservice if I sent them! They have steel screws, are too compact for multiple connections (as evidenced by your photo) are a nightmare to service and should never have been considered for marine use.

They are widespread in the control industry where space is at a premium.

Rip the lot out and start again!
Click to expand...

Yeah, that's kinda my intention, Graham. However I'm not really understanding how these things work. For example, Rowana posted up a link to this connector - http://uk.farnell.com/weidmuller/03...ock-din-2-5mm2-2-way/dp/1131741?ref=lookahead - which looks about right. However the voltage rating says 750v, so is this still suitable for 12v?

Also, I have different sized connectors. Some are over-sized for things like the windlass, but most are the same size, that look similar to Rowana's, but how do I know which is which? Do they have different ampage ratings? Do these different sized connectors all have a standard fitting to a standard bar?

I've tried emailing Farnell but I've received no reply.
 
demonboy said:
Yeah, that's kinda my intention, Graham. However I'm not really understanding how these things work. For example, Rowana posted up a link to this connector - http://uk.farnell.com/weidmuller/03...ock-din-2-5mm2-2-way/dp/1131741?ref=lookahead - which looks about right. However the voltage rating says 750v, so is this still suitable for 12v?

Also, I have different sized connectors. Some are over-sized for things like the windlass, but most are the same size, that look similar to Rowana's, but how do I know which is which? Do they have different ampage ratings? Do these different sized connectors all have a standard fitting to a standard bar?

I've tried emailing Farnell but I've received no reply.
Click to expand...

It is a squeeze to admit large cables. They are really intended for control systems. My machines must have thousands in them!
 
My electrical system connection panel is almost the same as yours different manufacturer of terminals and different wire layout. Can't find a pic else I would post.

The voltage is the max voltage and the size is determined by the max wire size that can be fitted thus the max currrent.

The advantage IMHO is then it if very easy to insert extra connections in the middle of a bank, done this lots of times.

http://uk.farnell.com/jsp/level5/module.jsp?moduleId=en/210139.xml

This shows the range of sizes available
 
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