Up for sale is my Tripp-Lite Isolator Series 120V 500W Isolation Transformer-Based Power Conditioner with 4 Outlets, 500W.
https://www.tripplite.com/isolator-series-120v-500w-isolation-transformer-based-...This unit has been modified so one pair of outlets are turned on with a 12V trigger. I used this to switch on my ZMA with my P5 Power regenerator. Any 12V trigger will work.
$130. Buyer pays shipping, I'll cover PayPal.