In article ,
Grumps wrote:
I can find loads in Farnell, RS, etc, but I can't determine whether they
fit my requirements. What I need is a small 6/12V device with a pull
stroke of about 5mm. But the slug should be spring loaded and return to
the 'out' position when the coil is not energised. The slug should also
be retained. The physical size should be less than 5cm. Does anyone
know if this type of solenoid has a special name, or if any of those on
RS, Farnell, fit the bill.

Does it have to be a solenoid? BMW etc boot lock central locking motors do
exactly that. They operate the lock at the touch of a button, but return
under spring action to the rest position so closing it latches it. The
motor drives a rack so the action is the same as a solenoid.

Maplin do cheap motor driven 'solenoids' again for central locking. But
you'd need to arrange for the spring return.

--
*He who laughs last, thinks slowest.

Dave Plowman London SW
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