You can make up something similar with a contactor with holding contacts and a
single-push reset switch. Contactor is started by closing the single-push reset
switch, holding contacts hold it on (!) if the supply fails it will not close on
supply restoration unless the reset switch is pushed.
A lot of motor starters have this feature as standard.
Peter
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Peter A Forbes
Prepair Ltd, Luton, UK
[email protected]
http://www.prepair.co.uk