In message , T i m
writes

There are loads over the normal suppliers but I wondered if anyone
here had got something reasonably recently that they could recommend?

I, and quite a few people I know, regularly use units from Maplins and
Circuit Specialists (Europe) with excellent results, although our use is
operating ancient (open frame) and modern (can) electric motors (toy
trains), where voltage requirements can be anywhere from 4 to 30, and
amps less than an amp to 5 amps.

I don't think the Maplin units are available unused now, but CSE units
are :

https://www.circuitspecialists.eu/po...er-supplies/sw
itch-mode-dc-bench-power-supply-adjustable-0-30v-0-5a-csi-3005sm/

Highly recommended. 10amp unit also available.

--
Graeme