In article ,
Brian-Gaff wrote:
Blimey, would one not have expected it to detect the stall current?
Besides there are loads of gadgets, mostly mechanical which can be used
to switch things off at end of travel. Sounds like its jolly crude.

No real need. The locks will operate in say a second. Timer switches off
at just over a second. Why make things more complex than needed?

--
*When everything's coming your way, you're in the wrong lane *

Dave Plowman London SW
To e-mail, change noise into sound.