3-phase to single-phase distribution boards?

[Steven Pickles]

Hi there,

Does anyone happen to have one of these lying around? The Innovyz "server room" has 3 phase, but we are powering everything from a lowly little single phase plug an inconveniently long distance from the actual hardware. It would be nice to make use of the 3-phase plugs that are sitting right next to the rack.

Thanks,

pix

[Clinton Young]

I think i may have a couple 3 pahse to single phase power boards from an old server rack at work. only down side is that its female IDC connections not standard power point ouputs.

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[Steven Pickles]

Hmm, that would work for 90% of the devices in the rack (the SHDSL modem is on a plug-pack).

pix

[Clinton Young]

Cool ill head down and take a look after lunch.

[Peter Wintulich]

Hello,

Make sure the 3 phase outlet has its Neutral pin connected. There are
some outlets around that are missing the connection and if you try and
use them with a splitter things will go pop.

Peter

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Peter Wintulich

Voicetronix Pty. Ltd.
Level 1, 246 Pulteney Street,
ADELAIDE 5000
South Australia
AUSTRALIA
+61 8 8232 9112

[Steven Pickles]

Thanks Peter, I'll have a closer look tomorrow.

pix

On 12 February 2013 11:42, Peter Wintulich <pe...@voicetronix.com.au> wrote:

Hello,

Make sure the 3 phase outlet has its Neutral pin connected. There are some outlets around that are missing the connection and if you try and use them with a splitter things will go pop.

Peter

On 12/02/13 11:21, Steven Pickles wrote:

Hi there,

Does anyone happen to have one of these lying around? The Innovyz "server room" has 3 phase, but we are powering everything from a lowly little single phase plug an inconveniently long distance from the actual hardware. It would be nice to make use of the 3-phase plugs that are sitting right next to the rack.

Thanks,
pix

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Peter Wintulich

Voicetronix Pty. Ltd.
Level 1, 246 Pulteney Street,
ADELAIDE  5000
South Australia
AUSTRALIA
+61 8 8232 9112

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[Steve Roehrs]

Wouldn't that be easy to check by just plugging in only one device to one phase of the splitter? No neutral -> no power.

 

Othewise yeah, if there were two devices on two phases they would share the phase-phase voltage, not the 240V. Would be messy if they weren't perfectly balanced.

 

(I knew that 3 phase EE stuff from second year would be useful one day!)

 

Steve

 

On Tue, Feb 12, 2013 at 11:42 AM, Peter Wintulich <pe...@voicetronix.com.au> wrote:

Hello,

Make sure the 3 phase outlet has its Neutral pin connected. There are some outlets around that are missing the connection and if you try and use them with a splitter things will go pop.

Peter

On 12/02/13 11:21, Steven Pickles wrote:

Hi there,

Does anyone happen to have one of these lying around? The Innovyz "server room" has 3 phase, but we are powering everything from a lowly little single phase plug an inconveniently long distance from the actual hardware. It would be nice to make use of the 3-phase plugs that are sitting right next to the rack.

Thanks,
pix
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Peter Wintulich

Voicetronix Pty. Ltd.
Level 1, 246 Pulteney Street,
ADELAIDE  5000
South Australia
AUSTRALIA
+61 8 8232 9112

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[Steven Pickles]

Wikipedia implies that the the board needs neutral, its plug will have 5 pins, and if the socket doesn't have neutral you won't be able to connect the 5 pin plug into the 4 pin socket.

pix

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[Steve Roehrs]

Sounds reasonable - a 5 pin socket with the neutral disconnected would have to be a liability.  Those wires can carry a lot of smoke that you don't want to let out.

 

Steve

[sjlane7160]

Stephen Lane wrote:
     If you come across a 5pin 3 phase connector without its Neutral connected get it rewired or replaced immediatly without the Neutral there are several bad things that can happen if the load gets unbalanced & finds someway  to use the earth as the neutral - current starts flowing in the earth in an old installation this can mean you can get bitten by the waterpipes -not good   in a newer installation the RCD will trip if its in good working order if in a big installation this would be quite disasterous (I'm assuming killing the power to a computer server room is a bad thing) 4pin 3 phase is used when connecting 3 phase motors which in theory are a nice balanced load hence doesn't need a neutral & this sort of connector should never be used for standard 3 phase connections and if some one has installed a 5pin for a motor that only needs a 4pin I don't think that is the electrician to call to rectify the problem. 3 phase splitter boards currently available will also have a RCD installed as they are treated as "portable" devices they have to have all the safety equipment installed (they arn't cheap to build $100+ for the 3phase connector $100ish for the RCD Circuit breaker & then all the single phase outlets & the Fireproof enclosure & mounting board) and they have to be Test & Tagged frequently.
    Just my 2 c as a licenced electrician

Regards
Stephen

On Tuesday, 12 February 2013 11:42:31 UTC+10:30, PJWAdelaide wrote:

Hello,

Make sure the 3 phase outlet has its Neutral pin connected. There are
some outlets around that are missing the connection and if you try and
use them with a splitter things will go pop.

Peter

On 12/02/13 11:21, Steven Pickles wrote:
> Hi there,
>
> Does anyone happen to have one of these lying around? The Innovyz
> "server room" has 3 phase, but we are powering everything from a lowly
> little single phase plug an inconveniently long distance from the
> actual hardware. It would be nice to make use of the 3-phase plugs
> that are sitting right next to the rack.
>
> Thanks,
> pix
> --
> You received this message because you are subscribed to the Google
> Groups "HackerSpace - Adelaide, South Australia" group.
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