For Sale or Trade is a THK ZRCT5250-MF EMC 3-Phase AC Filter Rated for 500V 250A 50/60 Hz This is a big beast... Photos show size relative to a dollar bill Overall dimensions are roughly 8"W x 24"L x 4"H Weight is about 40 pounds, shipping weight will be higher to include packaging. Square Winding Type Superior attenuation for both differential and common mode noise components Great for your ultimate Contest Station, Repeater Station, a large UPS backed up system, your AM station from the great old days, anywhere you need to take out noise on the AC line. Asking $500 plus buyer pays all shipping charges. Will consider trades or offers. Payment via PayPal or Postal Money Order. Contact me at firstname.lastname@example.org or via my QRZ page. Data sheet available at: pdfstream.manualsonline.com/0/0d43d6af-ae97-4766-ad5e-8993d9623207.pdf or simply Google the part number THK ZRCT5250-MF for data sheet. Removed from working semiconductor fab equipment, minor cosmetics with case but interior clean and fully functional. Time to clear out some room in the shack here. Ships via UPS lower 48 states, no international shipping or sales outside the lower 48.