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GlynJones

macrumors 6502
Original poster
Jun 15, 2005
325
2
HI,
I've just ordered a used Mac Pro 2013 but it has no power cable. I plan to get a UK kettle lead but I need to know what amp fuse is in the plug as I can't seem to find the required rating on the internet.

Thanks in advance of any replies.

Glyn Jones.
 

Saturnine

macrumors 65816
Oct 23, 2005
1,150
1,365
Manchester, UK
HI,
I've just ordered a used Mac Pro 2013 but it has no power cable. I plan to get a UK kettle lead but I need to know what amp fuse is in the plug as I can't seem to find the required rating on the internet.

Thanks in advance of any replies.

Glyn Jones.

Hello. I think it depends on the exact configuration but this page here shows the maximum power as 270W. If it were mine, I would say a 3A fuse should be fine. My mains voltage is currently about 246v, so a 3A fuse should be plenty, covering up to a maximum draw of around 738W. A 1A fuse wouldn't quite cover it obviously.

Edit: I've been looking at other websites such as this one and this one and they suggest that with the CPU and GPUs under full load, it may use upwards of 450W. Even then, a 3A fuse would be best.
 
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GlynJones

macrumors 6502
Original poster
Jun 15, 2005
325
2
Hello. I think it depends on the exact configuration but this page here shows the maximum power as 270W. If it were mine, I would say a 3A fuse should be fine. My mains voltage is currently about 246v, so a 3A fuse should be plenty, covering up to a maximum draw of around 738W. A 1A fuse wouldn't quite cover it obviously.

Edit: Looking at other websites such as this one and they suggest that with the CPU and GPUs under full load, it may use upwards of 450W. Even then, a 3A fuse would be best.

Thanks. Most kettle plugs come with a 13A fuse which I think is too big.
 
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theluggage

macrumors 603
Jul 29, 2011
5,090
4,108
Thanks. Most kettle plugs come with a 13A fuse which I think is too big.

Pedant point: technically, in a world based on definition rather than usage, a "kettle" plug has an extra notch in the bottom indicating it is suitable for high-temperature applications like kettles and heaters (and as such is likely to have a 13A fuse).

Anyway - the Mac must have a power rating plate on it that tells you the input voltage and input current range - that's how you choose the fuse, not third-party benchmarks.
 
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GlynJones

macrumors 6502
Original poster
Jun 15, 2005
325
2
s-l1600-3.jpg

[automerge]1588254272[/automerge]
Found the above image from a reseller. Looks like a 10A fuse is required :)
 
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MarkC426

macrumors 68000
May 14, 2008
1,664
544
UK
HI,
I've just ordered a used Mac Pro 2013 but it has no power cable. I plan to get a UK kettle lead but I need to know what amp fuse is in the plug as I can't seem to find the required rating on the internet.

Thanks in advance of any replies.

Glyn Jones.
Let’s hope the computer works......
Very bizarre to be sold without power cable
 
Comment

theluggage

macrumors 603
Jul 29, 2011
5,090
4,108
Found the above image from a reseller. Looks like a 10A fuse is required

Just looked and the cable for my old 1.1 Mac Pro (looks the same, only grey) has a 10A fuse in it (odd size for the UK). AFAIK that has a 980W power supply - I think the Trashcan is something like 450W continuous.

Anyhoo...

https://manuals.info.apple.com/MANUALS/1000/MA1668/en_US/mac_pro_late-2013_ipig.pdf says:
Voltage: 100 to 240 V AC​
Current: 6A Maximum​

...so if its 6A max (which would be at 100V) the same power would theoretically be 2.5A at 240V - which might be a bit too simplistic so I'd use a 5A fuse unless you're planning on plugging it in to 100V. 37.5% of the UK is probably running off 13A fuses that nobody bothered to change (and the US seems to survive with unfused plugs), so you're ahead of the game.
 
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GlynJones

macrumors 6502
Original poster
Jun 15, 2005
325
2
All,
Just in case anyone is interested I bought another Mac Pro 2013 as the other one I sent back. This included a genuine Apple Power Cable and it is indeed a 10 amp fuse.

Hope that helps anyone else who buys a UK Mac Pro 2013 without a power cable.
 
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