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Ropata

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#243187 29-Nov-2018 22:02
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I just purchased a new welder which is direct from the states. It runs on both 110 and 240v, 50/60 hertz. It seems to work fine through a wall adapter but I cant seem to find a 15amp US to NZ one and the flimsy setup worries me a bit. The welder is shown here with the plugs and the schematic is here 

 

Does it look like I can get a 15amp standard NZ lead installed?


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sparkz25
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  #2136892 29-Nov-2018 22:07
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so are you using a travel adapter? to convert from the us plug to the nz one?

 

if so just the plug off and wire up a 15a nz plug




SATTV
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  #2136895 29-Nov-2018 22:19
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If it was me I would simply cut off the plug and wire a 15A or 16A plug depending on what socket I had in my workshop, the assumption is the current draw is less than 15A

 

 

 

Something like this.

 

https://www.electricaldirectltd.co.nz/product/1445-PDL-56P315-56-Series-Plug-IP66-250V-Single-Phase-3pin-Flat-15A

 

or this

 

https://www.electricaldirectltd.co.nz/product/143-PDL-BALS211-3pin-16A-IP44-CEE-Plug

 

 

 

 

 

John

 

 





I know enough to be dangerous


andrewNZ
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  #2136897 29-Nov-2018 22:31
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Don't mess with adaptors, you will set something on fire. Welders draw lots of current, poor connections get hot very fast.

Have the plug replaced.

Regards, an electrician.



Ropata

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  #2136898 29-Nov-2018 22:35
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That's exactly what I thought until I seen this and this.


Ropata

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  #2136899 29-Nov-2018 22:37
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If It weren't for the 4 prongs going into the changeable wall adapter, I would feel confident lopping it off.


elpenguino
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  #2136907 29-Nov-2018 23:23
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According to the schematic, you need to find the wires coloured black , white and green.

 

The plug may have un-connected terminals or terminals joined together so don't get too worried about the number of terminals.

 

Can you dis-assemble the plug or is it moulded on?

 

Yes, you want to change it to a NZ plug for the cheapest, easiest conversion and safest use.





Most of the posters in this thread are just like chimpanzees on MDMA, full of feelings of bonhomie, joy, and optimism. Fred99 8/4/21


Ropata

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  #2136924 30-Nov-2018 06:30
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Thanks. I'll pop into the local service agent today.


 
 
 

Trade NZ and US shares and funds with Sharesies (affiliate link).
Bung
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  #2136927 30-Nov-2018 07:05
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Ropata:

I just purchased a new welder which is direct from the states. It runs on both 110 and 240v, 50/60 hertz. It seems to work fine through a wall adapter but I cant seem to find a 15amp US to NZ one and the flimsy setup worries me a bit. The welder is shown here with the plugs and the schematic is here 


Does it look like I can get a 15amp standard NZ lead installed?



Why are you looking for a 15 amp lead when the spec sheet quotes input currents between 16.7 & 27amp @ 240v depending on welding process chosen?

If you need a high current socket on a dedicated circuit maybe you need something like 30amp?

Ropata

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  #2136962 30-Nov-2018 07:28
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Yeah not sure. All my other welders of the same size come with a 15amp plug.

Fred99
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  #2136994 30-Nov-2018 08:20
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It's an inverter welder and at a guess, the ~27 A draw will be the spec at 110v - not 230?

 

 


Bung
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  #2137005 30-Nov-2018 08:50
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Fred99:

It's an inverter welder and at a guess, the ~27 A draw will be the spec at 110v - not 230?


 



The max input @ 110v is shown as 22amp

The output capability on 240v is a lot higher. On 240v the stick weld output is 30 - 190amp @ 20% duty cycle, on 110v the output is 30 - 90amp @ 40% duty cycle.

robfish
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  #2137013 30-Nov-2018 09:00
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27A x 110V = 2.97kW

 

X x 230V = 2.97kW

 

X = 12.91A





Rob

Bung
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  #2137043 30-Nov-2018 09:40
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On 240v it's potentially a 6.5kW device not 2.7kW.

Anyone else wanting a guess here is the spec sheet https://www.millerwelds.com/-/media/miller-electric/imported-mam-assets/spec-sheets/9/b/1/dc1259-multimatic-215--english.pdf

mclean
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  #2137084 30-Nov-2018 10:21
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At its rated welding output the input current is 29A. For the power circuit the manufacturer recommends 40A normal or 35A slow protection.

 

If you supply it through a circuit with a lower rating you will need to keep the welder turned down and keep to a lower duty cycle. Otherwise the circuit protection will trip. This will happen before normal over-temperature cut-out in the welder operates, which is not ideal.


robfish
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  #2137118 30-Nov-2018 11:25
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So potentially up to 30A input.

 

You should have appropriate wiring, circuit protection, socket and plug for this (not a handyman job).





Rob

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