Sunx Sa-C Safety Sensor Relay Module 110Vac $1,043.97 https://www.ebay.com/itm/222184343266?hash=item33bb3806e2:g:…
Cutler-Hammer D60Lr4/D60Lt4 Current Sensing Relay Transformer $1,111.07 Cutler Hammer https://www.ebay.com/itm/301366126419?hash=item462ad22753:g:…