Are 450vdc , no PCB, new, screw terminals, size 3" x 6".
Series connection of 10 gives 4500v @ 150 or 200 depending size you buy.
For free with purchase of each 10: I will supply step-start 20A open frame
relay.
Quantity 10 = $80. ( yup, 8 bux each. Retail at 34 bux each.)
I have approx 60 of each value. Done building power supplies and no further
need of them.