On 28/10/2020 19:36, Andy Burns wrote:
> RobH wrote:
> 
>> Wiring it L,N and GND helps. It powers up ok, but there is no output 
>> so something has gone on the inside when I wired it incorrectly.
> 
> I would have said I wasn't surprised it died ... except if I read the 
> specs correctly it should withstand 500V AC applied to the output for 60 
> seconds?  Maybe that's only when applied from +V to GND, not +V to -V

Me too actually, and thanks for your input

RobH wrote:

> Wiring it L,N and GND helps. It powers up ok, but there is no output so 
> something has gone on the inside when I wired it incorrectly.

I would have said I wasn't surprised it died ... except if I read the 
specs correctly it should withstand 500V AC applied to the output for 60 
seconds?  Maybe that's only when applied from +V to GND, not +V to -V

On 28/10/2020 17:50, Andy Burns wrote:
> RobH wrote:
> 
>> on the front of the psu is hows +V, -V then GND , then L and N
>> That's from left to right.
>> Have I wired it wrong , and it should be L,N and GND
> 
> Well, I wasn't talking about the order of the connections, merely their 
> labels, you should have brown to L, blue to N, and green/yellow to GND
> 
> with perhaps red(?) to +V and black(?) to -V on the output side.
> 

Wiring it L,N and GND helps. It powers up ok, but there is no output so 
something has gone on the inside when I wired it incorrectly.

On 28/10/2020 17:44, Andy Burns wrote:
> RobH wrote:
> 
>> on the front of the psu is hows +V, -V then GND , then L and N
>> That's from left to right.
> 
> That's what I saw on the RS photo
> 
>> Have I wired it wrong , and it should be L,N and GND, doh!
> 
> sounds like it, presume it now has "that smell"?

No couldn't smell anything as the CU tripped immediately I plugged it in .
I'll re  do it and try again later now.

RobH wrote:

> on the front of the psu is hows +V, -V then GND , then L and N
> That's from left to right.
> Have I wired it wrong , and it should be L,N and GND

Well, I wasn't talking about the order of the connections, merely their 
labels, you should have brown to L, blue to N, and green/yellow to GND

with perhaps red(?) to +V and black(?) to -V on the output side.

RobH wrote:

> on the front of the psu is hows +V, -V then GND , then L and N
> That's from left to right.

That's what I saw on the RS photo

> Have I wired it wrong , and it should be L,N and GND, doh!

sounds like it, presume it now has "that smell"?

On 28/10/2020 17:12, Andy Burns wrote:
> RobH wrote:
> 
>> the 3 core mains cable is securely screwed up in the 3 separate 
>> connections for +V ,-V and GND
> 
> Err shouldn't it be wired to L, N and GND?

Ok but on the front of the psu is hows +V, -V then GND , then L and N
That's from left to right.
Have I wired it wrong , and it should be L,N and GND, doh!

RobH wrote:

> the 3 core mains cable is securely screwed up in the 3 separate 
> connections for +V ,-V and GND

Err shouldn't it be wired to L, N and GND?

On 28/10/2020 17:00, Andy Burns wrote:
> RobH wrote:
> 
>> Andy Burns wrote:
>>
>>> Does the individual breaker that tripped have a "test" button on it?
>>
>> Yes it does, about 40mm to 70mm from the right hand side
> 
> Implies earth leakage from the power supply, nothing rattling around 
> inside the PSU, or stray strands of wire where it's been connected? 
> (could also explain it blowing a fuse)

No, nothing is rattling around inside the PSU, and the 3 core mains 
cable is securely screwed up in the 3 separate connections for +V ,-V 
and GND.

RobH wrote:

> Andy Burns wrote:
>
>> Does the individual breaker that tripped have a "test" button on it?
> 
> Yes it does, about 40mm to 70mm from the right hand side

Implies earth leakage from the power supply, nothing rattling around 
inside the PSU, or stray strands of wire where it's been connected? 
(could also explain it blowing a fuse)