On Thu, 04 Feb 2021 22:18:45 +0000, John Rumm wrote:

On 04/02/2021 20:21, Brian Gaff (Sofa) wrote:

Well its still mechanical then, just momentary rather than toggle,if
you like the toggle is electronic. A circuit with hysteresis, like a
bistable multivibrator circuit and one of the loads is operating the
switch.

Which means the load is *not* mechanically switched. So the switch
depends on bleeding some current through the load for its electronics to
be powered.


The start sequence is initiated with a mechanical switch.