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[patrick simmonds]

bought this off ebay a few years ago, came out of a large tug, top right is a P92, bottom I think is a P94, top left no idea. can anybody help me out please.
thanks, pat.

[Stavros]

Pat if you remove the cables to it the ACTion ID no will be located on the actual circuit board......they all have it on..........Now where is INERTIA when you need him ............come on Milbs where are you
 
 
Dave

[Tug-Kenny RIP]

I'm betting it might a BEC voltage     


Ken

[timg]

Hi cornislad

its a speed controller

spud

[Tug-Kenny RIP]

The speed controller is the unit on the bottom right. I can see the two heat sinks and reversing relay.

Cheers,

Ken

[Stavros]

Top Left is DEFO a speed controller what amperage ....we cant tell without knowing hte P no but it maybee would have been for a Bow thruster as a P94 is a Dual Esc/Mixer
 
 
Dave

[malcolmfrary]

If all else fails you can always look at the diagram for the P94.  http://www.action-electronics.co.uk/pdfs/P94.pdf  It shows a connection for a third motor on a center shaft, so at a guess its a P80 or earlier equivalent.  Following the control wire from the top left board, it seems to go just where it would need to if plugged into such an installation.
The OP picture shows, oddly, a distribution board fused at 15A, with, if I am reading it right, motor leads fused at 20A.  If I've read it right, these latter fuses are redundant, they can never get the current required to blow because the 15A fuses must go first.  Effectively, they are just test links for the individual motors.

[patrick simmonds]

many thanks for the help gents. just had a belated reply from act elect, and the top left is a P80 as suggested

[inertia]

Can confirm items are P80, P92, P94, P95/2 and P95/1, clockwise from top left.
Sensibly the main (centre) fuse on the P92 should be 25A as supplied, and the other two no more than 15A (also as supplied). The motor fuses in the P95 boards should be 10A apiece. Otherwise, as Malcolm says, some fuses are redundant.
FYI the 'P' numbers are always etched into the copper side of the circuit board (except P44. Only Craig could tell us why, and he's not saying...........).
DM

[patrick simmonds]

many thanks