Model#- CR253 (full model number written on the top of unit - please see picture)
This is new in the original box, but the box is a bit dirty. There is one unit of my three that is without a box (please indicate if you want with or without box)
There is no mounting hardware for this.......
240, 480 and 600 Volts / FL Amps - 25 / 30 Resistive Amps per Pole.
I don't know much about Contactors, but I know these came out of a working environment - But I will try to answer your questions the best I can.....