UK Single or Three Phase Identification (Vehicle Lift Content)

[davesparks]

I'm seeing brown, black and blue (in addition to the green/yellow earth bond).

Yep, so am I now that I've zoomed it in.

It's a good job I've got an eye test booked in for next weekend!

 

[telectrix]

i'd say it was meant for 3 phase 220 in delta or 380 in star.

 

[pc1966]

i'd say it was meant for 3 phase 220 in delta or 380 in star.

Just to comment for the original poster: those were the European nominal voltages, and the UK was 240 / 415, then we agreed it would all be 230 / 400V.

But nothing changed, nobody altered supply voltages there and then. Just the operating voltage ranges were loosened so the minimum EU and maximum UK were within the new harmonised range.

 

[Oslo1978]

Thanks very much for all of your help!

 

[Lucien Nunes]

Yes, 3-phase by the look of things. If you post more pics, it might be well to show the data plate on the motor itself, as well as any general plate, as the motor is likely to give more comprehensive information.

I'm seeing brown, black and blue (in addition to the green/yellow earth bond). I don't see a grey, so my guess is the 4-core wire was really intended for single phase permanent live + switched live sort of use and have been press-ganged in to the 3-phase supply job.

Cast your mind back to 2003... Before harmonised colours... EU 4-core flexible was often brown/black/blue/earth. There were alternatives e.g two browns and a black as used in some countries for installation cables. But brown/black/blue with blue as a line was the most common IIRC, also for continental installation cables like NYM-J. I find it hard to believe that we've been installing 'grey phase' for 15 years already.

 

[ipf]

If you want to know the motor details have a look at the motor itself...the detail plate.
It's a somewhat run down, three phase unit with reversing contactor with a control box somewhat thrown together.
Is the 'warning note' regarding physical operation of the contactor? Hope not, but looks like it.
It needs checking and testing properly, whatever.

edit. Beaten to it LN