HELP! please - Trigger for solid state relay plate

[Merry Hyde]

Can anyone please assist me with how I may be able to source this trigger plate? It's to go inside a home made amplifier and attaches to a sold state relay box.

 

[amirm]

We can't help you find that exact one. From looks of it, it is a selectable power on delay. This looks close to it: https://www.amazon.com/aqxreight-Ad...fix=power+on+delay+relay,aps,147&sr=8-53&th=1