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i=p/u

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Arms
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in your experience's guys what is an average rating of 3phase coffee machine??? i couldnt find the rating on it but is coming off 32A breaker

surely it cant be 32A each phase
 
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G

Guest55

Hmmmmmmmmmmmmmm ????
thought you were meditating there lol.
depends how strong the coffee is i suppose. ;-)
 
G

Guest55

But i'd be surprised if it was more than 16A per phase to be honest.
 

i=p/u

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Arms
  • Thread Starter Thread Starter
  • #7
still seems high for a coffee machine.. its just i weas told a 3phase coffee machine would be going in and i pulled in 2.5mm as i new was good for 20A minimum

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was thinking that there now soon as they do a latte , clamp it
Can you not use a clamp meter
 

i=p/u

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Arms
  • Thread Starter Thread Starter
  • #8
another thing , can gu10 led;s work then blow if polarity is not observerd i installed 40 cheap led's and 5 failed within first day..
 

telectrix

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Arms
Esteemed
GU10 LEDs don't care about polarity, and i never seen a coffee machine i rated at better than 2 out of 10.
 

i=p/u

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Arms
  • Thread Starter Thread Starter
  • #10
i see you back in action weetabix. this coffee machine makes all proper noises, n
 

Marvo

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Arms
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Some coffee machines have dual wiring options so you can choose depending on the power supply available. How big is the machine, how many coffee heads has it got?
 
N

nobelz66

just wondering how you post a thread on here as ive just joined and cant find this option help plz
 

i=p/u

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Arms
  • Thread Starter Thread Starter
  • #13
il find out tomorrow ,marvo, could do with the manual but i know a similar one is on 32A breakers, wired in 4mm but maybe this is an oversight on the the installer

i just cant see a coffee machine pulling more than 20A on each phase..
 

Marvo

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Arms
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I don't see it either. A 3 head machine would be 4-8Kw depending on the volume it's designed for and the elements, usually 3 of them, are generally 230v. I'd be surprised if it's more than 10A per phase on a 3-phase supply.
 
I've just nicked this from a manufacturers web site:-

"Most high volume espresso machines need minimum 20 amp power supply. This allows the water boilers to recover quickly after water of steam has been drawn off. The most common espresso machines are two group machines. Usually they have two team wands allowing more than one operator to use the machine at any one time. A 10 litre boiler and a 20 amp power supply should be ample for most small to medium requirements.Three and four group espresso machines have larger water boilers and may need 30 amp or 3 phase power supplies."

Ipu, I think it may be best looking at the manufacturers details on this one mate. But going by what we know already I'd say a 32A type C 2.5 ring would be fine but look at the specs and that should give you all the info needed to design the circuit. Good luck and tell us how it goes and how it tastes.
 

Richard Burns

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Arms
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just wondering how you post a thread on here as ive just joined and cant find this option help plz
Go to the forum from the orange bar at the top of the page, choose an appropriate category from the list of forums e.g general electrical or new member introductions and then near the top of the page is a button labelled "post new thread".
 
R

robsparky1975

another thing , can gu10 led;s work then blow if polarity is not observerd i installed 40 cheap led's and 5 failed within first day..
The word CHEAP may be the source of the problem there.
 

i=p/u

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Arms
  • Thread Starter Thread Starter
  • #20
i give customer the choice of auora led's which have 25k hrs where the branded say zilh about them but have slightly better light from them
 

i=p/u

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Arms
  • Thread Starter Thread Starter
  • #22
so if its a 5pin camando socket, just each phase too neutral .. i couldnt see on it where any info is plated .. and its a pretty big machine which is aleays operational when i get there

where this post comes from , he says has same machine across the street in another cafe
 
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S

SKY

If you do clamp it up check the Amp draw from cold start up (worst case) - elements normally pull more Amps while warming the water then drop off when top up heating - just my 2 pence worth.
 

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